mirror of
https://github.com/UtilitechAS/amsreader-firmware.git
synced 2026-02-19 05:58:23 +00:00
Removing mbedtls code in HanReader lib
This commit is contained in:
File diff suppressed because it is too large
Load Diff
@@ -1,297 +0,0 @@
|
||||
/**
|
||||
* \file aes.h
|
||||
*
|
||||
* \brief AES block cipher
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
#ifndef MBEDTLS_AES_H
|
||||
#define MBEDTLS_AES_H
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
|
||||
/* padlock.c and aesni.c rely on these values! */
|
||||
#define MBEDTLS_AES_ENCRYPT 1
|
||||
#define MBEDTLS_AES_DECRYPT 0
|
||||
|
||||
#define MBEDTLS_ERR_AES_INVALID_KEY_LENGTH -0x0020 /**< Invalid key length. */
|
||||
#define MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH -0x0022 /**< Invalid data input length. */
|
||||
|
||||
#if !defined(MBEDTLS_AES_ALT)
|
||||
// Regular implementation
|
||||
//
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* \brief AES context structure
|
||||
*
|
||||
* \note buf is able to hold 32 extra bytes, which can be used:
|
||||
* - for alignment purposes if VIA padlock is used, and/or
|
||||
* - to simplify key expansion in the 256-bit case by
|
||||
* generating an extra round key
|
||||
*/
|
||||
typedef struct
|
||||
{
|
||||
int nr; /*!< number of rounds */
|
||||
uint32_t *rk; /*!< AES round keys */
|
||||
uint32_t buf[68]; /*!< unaligned data */
|
||||
}
|
||||
mbedtls_aes_context;
|
||||
|
||||
/**
|
||||
* \brief Initialize AES context
|
||||
*
|
||||
* \param ctx AES context to be initialized
|
||||
*/
|
||||
void mbedtls_aes_init( mbedtls_aes_context *ctx );
|
||||
|
||||
/**
|
||||
* \brief Clear AES context
|
||||
*
|
||||
* \param ctx AES context to be cleared
|
||||
*/
|
||||
void mbedtls_aes_free( mbedtls_aes_context *ctx );
|
||||
|
||||
/**
|
||||
* \brief AES key schedule (encryption)
|
||||
*
|
||||
* \param ctx AES context to be initialized
|
||||
* \param key encryption key
|
||||
* \param keybits must be 128, 192 or 256
|
||||
*
|
||||
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
|
||||
*/
|
||||
int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
|
||||
unsigned int keybits );
|
||||
|
||||
/**
|
||||
* \brief AES key schedule (decryption)
|
||||
*
|
||||
* \param ctx AES context to be initialized
|
||||
* \param key decryption key
|
||||
* \param keybits must be 128, 192 or 256
|
||||
*
|
||||
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
|
||||
*/
|
||||
int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
|
||||
unsigned int keybits );
|
||||
|
||||
/**
|
||||
* \brief AES-ECB block encryption/decryption
|
||||
*
|
||||
* \param ctx AES context
|
||||
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
|
||||
* \param input 16-byte input block
|
||||
* \param output 16-byte output block
|
||||
*
|
||||
* \return 0 if successful
|
||||
*/
|
||||
int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
|
||||
int mode,
|
||||
const unsigned char input[16],
|
||||
unsigned char output[16] );
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CBC)
|
||||
/**
|
||||
* \brief AES-CBC buffer encryption/decryption
|
||||
* Length should be a multiple of the block
|
||||
* size (16 bytes)
|
||||
*
|
||||
* \note Upon exit, the content of the IV is updated so that you can
|
||||
* call the function same function again on the following
|
||||
* block(s) of data and get the same result as if it was
|
||||
* encrypted in one call. This allows a "streaming" usage.
|
||||
* If on the other hand you need to retain the contents of the
|
||||
* IV, you should either save it manually or use the cipher
|
||||
* module instead.
|
||||
*
|
||||
* \param ctx AES context
|
||||
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
|
||||
* \param length length of the input data
|
||||
* \param iv initialization vector (updated after use)
|
||||
* \param input buffer holding the input data
|
||||
* \param output buffer holding the output data
|
||||
*
|
||||
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH
|
||||
*/
|
||||
int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
unsigned char iv[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output );
|
||||
#endif /* MBEDTLS_CIPHER_MODE_CBC */
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CFB)
|
||||
/**
|
||||
* \brief AES-CFB128 buffer encryption/decryption.
|
||||
*
|
||||
* Note: Due to the nature of CFB you should use the same key schedule for
|
||||
* both encryption and decryption. So a context initialized with
|
||||
* mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
|
||||
*
|
||||
* \note Upon exit, the content of the IV is updated so that you can
|
||||
* call the function same function again on the following
|
||||
* block(s) of data and get the same result as if it was
|
||||
* encrypted in one call. This allows a "streaming" usage.
|
||||
* If on the other hand you need to retain the contents of the
|
||||
* IV, you should either save it manually or use the cipher
|
||||
* module instead.
|
||||
*
|
||||
* \param ctx AES context
|
||||
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
|
||||
* \param length length of the input data
|
||||
* \param iv_off offset in IV (updated after use)
|
||||
* \param iv initialization vector (updated after use)
|
||||
* \param input buffer holding the input data
|
||||
* \param output buffer holding the output data
|
||||
*
|
||||
* \return 0 if successful
|
||||
*/
|
||||
int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
size_t *iv_off,
|
||||
unsigned char iv[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output );
|
||||
|
||||
/**
|
||||
* \brief AES-CFB8 buffer encryption/decryption.
|
||||
*
|
||||
* Note: Due to the nature of CFB you should use the same key schedule for
|
||||
* both encryption and decryption. So a context initialized with
|
||||
* mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
|
||||
*
|
||||
* \note Upon exit, the content of the IV is updated so that you can
|
||||
* call the function same function again on the following
|
||||
* block(s) of data and get the same result as if it was
|
||||
* encrypted in one call. This allows a "streaming" usage.
|
||||
* If on the other hand you need to retain the contents of the
|
||||
* IV, you should either save it manually or use the cipher
|
||||
* module instead.
|
||||
*
|
||||
* \param ctx AES context
|
||||
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
|
||||
* \param length length of the input data
|
||||
* \param iv initialization vector (updated after use)
|
||||
* \param input buffer holding the input data
|
||||
* \param output buffer holding the output data
|
||||
*
|
||||
* \return 0 if successful
|
||||
*/
|
||||
int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
unsigned char iv[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output );
|
||||
#endif /*MBEDTLS_CIPHER_MODE_CFB */
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CTR)
|
||||
/**
|
||||
* \brief AES-CTR buffer encryption/decryption
|
||||
*
|
||||
* Warning: You have to keep the maximum use of your counter in mind!
|
||||
*
|
||||
* Note: Due to the nature of CTR you should use the same key schedule for
|
||||
* both encryption and decryption. So a context initialized with
|
||||
* mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
|
||||
*
|
||||
* \param ctx AES context
|
||||
* \param length The length of the data
|
||||
* \param nc_off The offset in the current stream_block (for resuming
|
||||
* within current cipher stream). The offset pointer to
|
||||
* should be 0 at the start of a stream.
|
||||
* \param nonce_counter The 128-bit nonce and counter.
|
||||
* \param stream_block The saved stream-block for resuming. Is overwritten
|
||||
* by the function.
|
||||
* \param input The input data stream
|
||||
* \param output The output data stream
|
||||
*
|
||||
* \return 0 if successful
|
||||
*/
|
||||
int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx,
|
||||
size_t length,
|
||||
size_t *nc_off,
|
||||
unsigned char nonce_counter[16],
|
||||
unsigned char stream_block[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output );
|
||||
#endif /* MBEDTLS_CIPHER_MODE_CTR */
|
||||
|
||||
/**
|
||||
* \brief Internal AES block encryption function
|
||||
* (Only exposed to allow overriding it,
|
||||
* see MBEDTLS_AES_ENCRYPT_ALT)
|
||||
*
|
||||
* \param ctx AES context
|
||||
* \param input Plaintext block
|
||||
* \param output Output (ciphertext) block
|
||||
*/
|
||||
void mbedtls_aes_encrypt( mbedtls_aes_context *ctx,
|
||||
const unsigned char input[16],
|
||||
unsigned char output[16] );
|
||||
|
||||
/**
|
||||
* \brief Internal AES block decryption function
|
||||
* (Only exposed to allow overriding it,
|
||||
* see MBEDTLS_AES_DECRYPT_ALT)
|
||||
*
|
||||
* \param ctx AES context
|
||||
* \param input Ciphertext block
|
||||
* \param output Output (plaintext) block
|
||||
*/
|
||||
void mbedtls_aes_decrypt( mbedtls_aes_context *ctx,
|
||||
const unsigned char input[16],
|
||||
unsigned char output[16] );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#else /* MBEDTLS_AES_ALT */
|
||||
#include "aes_alt.h"
|
||||
#endif /* MBEDTLS_AES_ALT */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* \brief Checkup routine
|
||||
*
|
||||
* \return 0 if successful, or 1 if the test failed
|
||||
*/
|
||||
int mbedtls_aes_self_test( int verbose );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* aes.h */
|
||||
@@ -1,464 +0,0 @@
|
||||
/*
|
||||
* AES-NI support functions
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
|
||||
/*
|
||||
* [AES-WP] http://software.intel.com/en-us/articles/intel-advanced-encryption-standard-aes-instructions-set
|
||||
* [CLMUL-WP] http://software.intel.com/en-us/articles/intel-carry-less-multiplication-instruction-and-its-usage-for-computing-the-gcm-mode/
|
||||
*/
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "mbedtls/config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_AESNI_C)
|
||||
|
||||
#include "mbedtls/aesni.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#ifndef asm
|
||||
#define asm __asm
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_HAVE_X86_64)
|
||||
|
||||
/*
|
||||
* AES-NI support detection routine
|
||||
*/
|
||||
int mbedtls_aesni_has_support( unsigned int what )
|
||||
{
|
||||
static int done = 0;
|
||||
static unsigned int c = 0;
|
||||
|
||||
if( ! done )
|
||||
{
|
||||
asm( "movl $1, %%eax \n\t"
|
||||
"cpuid \n\t"
|
||||
: "=c" (c)
|
||||
:
|
||||
: "eax", "ebx", "edx" );
|
||||
done = 1;
|
||||
}
|
||||
|
||||
return( ( c & what ) != 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* Binutils needs to be at least 2.19 to support AES-NI instructions.
|
||||
* Unfortunately, a lot of users have a lower version now (2014-04).
|
||||
* Emit bytecode directly in order to support "old" version of gas.
|
||||
*
|
||||
* Opcodes from the Intel architecture reference manual, vol. 3.
|
||||
* We always use registers, so we don't need prefixes for memory operands.
|
||||
* Operand macros are in gas order (src, dst) as opposed to Intel order
|
||||
* (dst, src) in order to blend better into the surrounding assembly code.
|
||||
*/
|
||||
#define AESDEC ".byte 0x66,0x0F,0x38,0xDE,"
|
||||
#define AESDECLAST ".byte 0x66,0x0F,0x38,0xDF,"
|
||||
#define AESENC ".byte 0x66,0x0F,0x38,0xDC,"
|
||||
#define AESENCLAST ".byte 0x66,0x0F,0x38,0xDD,"
|
||||
#define AESIMC ".byte 0x66,0x0F,0x38,0xDB,"
|
||||
#define AESKEYGENA ".byte 0x66,0x0F,0x3A,0xDF,"
|
||||
#define PCLMULQDQ ".byte 0x66,0x0F,0x3A,0x44,"
|
||||
|
||||
#define xmm0_xmm0 "0xC0"
|
||||
#define xmm0_xmm1 "0xC8"
|
||||
#define xmm0_xmm2 "0xD0"
|
||||
#define xmm0_xmm3 "0xD8"
|
||||
#define xmm0_xmm4 "0xE0"
|
||||
#define xmm1_xmm0 "0xC1"
|
||||
#define xmm1_xmm2 "0xD1"
|
||||
|
||||
/*
|
||||
* AES-NI AES-ECB block en(de)cryption
|
||||
*/
|
||||
int mbedtls_aesni_crypt_ecb( mbedtls_aes_context *ctx,
|
||||
int mode,
|
||||
const unsigned char input[16],
|
||||
unsigned char output[16] )
|
||||
{
|
||||
asm( "movdqu (%3), %%xmm0 \n\t" // load input
|
||||
"movdqu (%1), %%xmm1 \n\t" // load round key 0
|
||||
"pxor %%xmm1, %%xmm0 \n\t" // round 0
|
||||
"add $16, %1 \n\t" // point to next round key
|
||||
"subl $1, %0 \n\t" // normal rounds = nr - 1
|
||||
"test %2, %2 \n\t" // mode?
|
||||
"jz 2f \n\t" // 0 = decrypt
|
||||
|
||||
"1: \n\t" // encryption loop
|
||||
"movdqu (%1), %%xmm1 \n\t" // load round key
|
||||
AESENC xmm1_xmm0 "\n\t" // do round
|
||||
"add $16, %1 \n\t" // point to next round key
|
||||
"subl $1, %0 \n\t" // loop
|
||||
"jnz 1b \n\t"
|
||||
"movdqu (%1), %%xmm1 \n\t" // load round key
|
||||
AESENCLAST xmm1_xmm0 "\n\t" // last round
|
||||
"jmp 3f \n\t"
|
||||
|
||||
"2: \n\t" // decryption loop
|
||||
"movdqu (%1), %%xmm1 \n\t"
|
||||
AESDEC xmm1_xmm0 "\n\t" // do round
|
||||
"add $16, %1 \n\t"
|
||||
"subl $1, %0 \n\t"
|
||||
"jnz 2b \n\t"
|
||||
"movdqu (%1), %%xmm1 \n\t" // load round key
|
||||
AESDECLAST xmm1_xmm0 "\n\t" // last round
|
||||
|
||||
"3: \n\t"
|
||||
"movdqu %%xmm0, (%4) \n\t" // export output
|
||||
:
|
||||
: "r" (ctx->nr), "r" (ctx->rk), "r" (mode), "r" (input), "r" (output)
|
||||
: "memory", "cc", "xmm0", "xmm1" );
|
||||
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* GCM multiplication: c = a times b in GF(2^128)
|
||||
* Based on [CLMUL-WP] algorithms 1 (with equation 27) and 5.
|
||||
*/
|
||||
void mbedtls_aesni_gcm_mult( unsigned char c[16],
|
||||
const unsigned char a[16],
|
||||
const unsigned char b[16] )
|
||||
{
|
||||
unsigned char aa[16], bb[16], cc[16];
|
||||
size_t i;
|
||||
|
||||
/* The inputs are in big-endian order, so byte-reverse them */
|
||||
for( i = 0; i < 16; i++ )
|
||||
{
|
||||
aa[i] = a[15 - i];
|
||||
bb[i] = b[15 - i];
|
||||
}
|
||||
|
||||
asm( "movdqu (%0), %%xmm0 \n\t" // a1:a0
|
||||
"movdqu (%1), %%xmm1 \n\t" // b1:b0
|
||||
|
||||
/*
|
||||
* Caryless multiplication xmm2:xmm1 = xmm0 * xmm1
|
||||
* using [CLMUL-WP] algorithm 1 (p. 13).
|
||||
*/
|
||||
"movdqa %%xmm1, %%xmm2 \n\t" // copy of b1:b0
|
||||
"movdqa %%xmm1, %%xmm3 \n\t" // same
|
||||
"movdqa %%xmm1, %%xmm4 \n\t" // same
|
||||
PCLMULQDQ xmm0_xmm1 ",0x00 \n\t" // a0*b0 = c1:c0
|
||||
PCLMULQDQ xmm0_xmm2 ",0x11 \n\t" // a1*b1 = d1:d0
|
||||
PCLMULQDQ xmm0_xmm3 ",0x10 \n\t" // a0*b1 = e1:e0
|
||||
PCLMULQDQ xmm0_xmm4 ",0x01 \n\t" // a1*b0 = f1:f0
|
||||
"pxor %%xmm3, %%xmm4 \n\t" // e1+f1:e0+f0
|
||||
"movdqa %%xmm4, %%xmm3 \n\t" // same
|
||||
"psrldq $8, %%xmm4 \n\t" // 0:e1+f1
|
||||
"pslldq $8, %%xmm3 \n\t" // e0+f0:0
|
||||
"pxor %%xmm4, %%xmm2 \n\t" // d1:d0+e1+f1
|
||||
"pxor %%xmm3, %%xmm1 \n\t" // c1+e0+f1:c0
|
||||
|
||||
/*
|
||||
* Now shift the result one bit to the left,
|
||||
* taking advantage of [CLMUL-WP] eq 27 (p. 20)
|
||||
*/
|
||||
"movdqa %%xmm1, %%xmm3 \n\t" // r1:r0
|
||||
"movdqa %%xmm2, %%xmm4 \n\t" // r3:r2
|
||||
"psllq $1, %%xmm1 \n\t" // r1<<1:r0<<1
|
||||
"psllq $1, %%xmm2 \n\t" // r3<<1:r2<<1
|
||||
"psrlq $63, %%xmm3 \n\t" // r1>>63:r0>>63
|
||||
"psrlq $63, %%xmm4 \n\t" // r3>>63:r2>>63
|
||||
"movdqa %%xmm3, %%xmm5 \n\t" // r1>>63:r0>>63
|
||||
"pslldq $8, %%xmm3 \n\t" // r0>>63:0
|
||||
"pslldq $8, %%xmm4 \n\t" // r2>>63:0
|
||||
"psrldq $8, %%xmm5 \n\t" // 0:r1>>63
|
||||
"por %%xmm3, %%xmm1 \n\t" // r1<<1|r0>>63:r0<<1
|
||||
"por %%xmm4, %%xmm2 \n\t" // r3<<1|r2>>62:r2<<1
|
||||
"por %%xmm5, %%xmm2 \n\t" // r3<<1|r2>>62:r2<<1|r1>>63
|
||||
|
||||
/*
|
||||
* Now reduce modulo the GCM polynomial x^128 + x^7 + x^2 + x + 1
|
||||
* using [CLMUL-WP] algorithm 5 (p. 20).
|
||||
* Currently xmm2:xmm1 holds x3:x2:x1:x0 (already shifted).
|
||||
*/
|
||||
/* Step 2 (1) */
|
||||
"movdqa %%xmm1, %%xmm3 \n\t" // x1:x0
|
||||
"movdqa %%xmm1, %%xmm4 \n\t" // same
|
||||
"movdqa %%xmm1, %%xmm5 \n\t" // same
|
||||
"psllq $63, %%xmm3 \n\t" // x1<<63:x0<<63 = stuff:a
|
||||
"psllq $62, %%xmm4 \n\t" // x1<<62:x0<<62 = stuff:b
|
||||
"psllq $57, %%xmm5 \n\t" // x1<<57:x0<<57 = stuff:c
|
||||
|
||||
/* Step 2 (2) */
|
||||
"pxor %%xmm4, %%xmm3 \n\t" // stuff:a+b
|
||||
"pxor %%xmm5, %%xmm3 \n\t" // stuff:a+b+c
|
||||
"pslldq $8, %%xmm3 \n\t" // a+b+c:0
|
||||
"pxor %%xmm3, %%xmm1 \n\t" // x1+a+b+c:x0 = d:x0
|
||||
|
||||
/* Steps 3 and 4 */
|
||||
"movdqa %%xmm1,%%xmm0 \n\t" // d:x0
|
||||
"movdqa %%xmm1,%%xmm4 \n\t" // same
|
||||
"movdqa %%xmm1,%%xmm5 \n\t" // same
|
||||
"psrlq $1, %%xmm0 \n\t" // e1:x0>>1 = e1:e0'
|
||||
"psrlq $2, %%xmm4 \n\t" // f1:x0>>2 = f1:f0'
|
||||
"psrlq $7, %%xmm5 \n\t" // g1:x0>>7 = g1:g0'
|
||||
"pxor %%xmm4, %%xmm0 \n\t" // e1+f1:e0'+f0'
|
||||
"pxor %%xmm5, %%xmm0 \n\t" // e1+f1+g1:e0'+f0'+g0'
|
||||
// e0'+f0'+g0' is almost e0+f0+g0, ex\tcept for some missing
|
||||
// bits carried from d. Now get those\t bits back in.
|
||||
"movdqa %%xmm1,%%xmm3 \n\t" // d:x0
|
||||
"movdqa %%xmm1,%%xmm4 \n\t" // same
|
||||
"movdqa %%xmm1,%%xmm5 \n\t" // same
|
||||
"psllq $63, %%xmm3 \n\t" // d<<63:stuff
|
||||
"psllq $62, %%xmm4 \n\t" // d<<62:stuff
|
||||
"psllq $57, %%xmm5 \n\t" // d<<57:stuff
|
||||
"pxor %%xmm4, %%xmm3 \n\t" // d<<63+d<<62:stuff
|
||||
"pxor %%xmm5, %%xmm3 \n\t" // missing bits of d:stuff
|
||||
"psrldq $8, %%xmm3 \n\t" // 0:missing bits of d
|
||||
"pxor %%xmm3, %%xmm0 \n\t" // e1+f1+g1:e0+f0+g0
|
||||
"pxor %%xmm1, %%xmm0 \n\t" // h1:h0
|
||||
"pxor %%xmm2, %%xmm0 \n\t" // x3+h1:x2+h0
|
||||
|
||||
"movdqu %%xmm0, (%2) \n\t" // done
|
||||
:
|
||||
: "r" (aa), "r" (bb), "r" (cc)
|
||||
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5" );
|
||||
|
||||
/* Now byte-reverse the outputs */
|
||||
for( i = 0; i < 16; i++ )
|
||||
c[i] = cc[15 - i];
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Compute decryption round keys from encryption round keys
|
||||
*/
|
||||
void mbedtls_aesni_inverse_key( unsigned char *invkey,
|
||||
const unsigned char *fwdkey, int nr )
|
||||
{
|
||||
unsigned char *ik = invkey;
|
||||
const unsigned char *fk = fwdkey + 16 * nr;
|
||||
|
||||
memcpy( ik, fk, 16 );
|
||||
|
||||
for( fk -= 16, ik += 16; fk > fwdkey; fk -= 16, ik += 16 )
|
||||
asm( "movdqu (%0), %%xmm0 \n\t"
|
||||
AESIMC xmm0_xmm0 "\n\t"
|
||||
"movdqu %%xmm0, (%1) \n\t"
|
||||
:
|
||||
: "r" (fk), "r" (ik)
|
||||
: "memory", "xmm0" );
|
||||
|
||||
memcpy( ik, fk, 16 );
|
||||
}
|
||||
|
||||
/*
|
||||
* Key expansion, 128-bit case
|
||||
*/
|
||||
static void aesni_setkey_enc_128( unsigned char *rk,
|
||||
const unsigned char *key )
|
||||
{
|
||||
asm( "movdqu (%1), %%xmm0 \n\t" // copy the original key
|
||||
"movdqu %%xmm0, (%0) \n\t" // as round key 0
|
||||
"jmp 2f \n\t" // skip auxiliary routine
|
||||
|
||||
/*
|
||||
* Finish generating the next round key.
|
||||
*
|
||||
* On entry xmm0 is r3:r2:r1:r0 and xmm1 is X:stuff:stuff:stuff
|
||||
* with X = rot( sub( r3 ) ) ^ RCON.
|
||||
*
|
||||
* On exit, xmm0 is r7:r6:r5:r4
|
||||
* with r4 = X + r0, r5 = r4 + r1, r6 = r5 + r2, r7 = r6 + r3
|
||||
* and those are written to the round key buffer.
|
||||
*/
|
||||
"1: \n\t"
|
||||
"pshufd $0xff, %%xmm1, %%xmm1 \n\t" // X:X:X:X
|
||||
"pxor %%xmm0, %%xmm1 \n\t" // X+r3:X+r2:X+r1:r4
|
||||
"pslldq $4, %%xmm0 \n\t" // r2:r1:r0:0
|
||||
"pxor %%xmm0, %%xmm1 \n\t" // X+r3+r2:X+r2+r1:r5:r4
|
||||
"pslldq $4, %%xmm0 \n\t" // etc
|
||||
"pxor %%xmm0, %%xmm1 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm1, %%xmm0 \n\t" // update xmm0 for next time!
|
||||
"add $16, %0 \n\t" // point to next round key
|
||||
"movdqu %%xmm0, (%0) \n\t" // write it
|
||||
"ret \n\t"
|
||||
|
||||
/* Main "loop" */
|
||||
"2: \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x01 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x02 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x04 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x08 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x10 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x20 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x40 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x80 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x1B \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x36 \n\tcall 1b \n\t"
|
||||
:
|
||||
: "r" (rk), "r" (key)
|
||||
: "memory", "cc", "0" );
|
||||
}
|
||||
|
||||
/*
|
||||
* Key expansion, 192-bit case
|
||||
*/
|
||||
static void aesni_setkey_enc_192( unsigned char *rk,
|
||||
const unsigned char *key )
|
||||
{
|
||||
asm( "movdqu (%1), %%xmm0 \n\t" // copy original round key
|
||||
"movdqu %%xmm0, (%0) \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"movq 16(%1), %%xmm1 \n\t"
|
||||
"movq %%xmm1, (%0) \n\t"
|
||||
"add $8, %0 \n\t"
|
||||
"jmp 2f \n\t" // skip auxiliary routine
|
||||
|
||||
/*
|
||||
* Finish generating the next 6 quarter-keys.
|
||||
*
|
||||
* On entry xmm0 is r3:r2:r1:r0, xmm1 is stuff:stuff:r5:r4
|
||||
* and xmm2 is stuff:stuff:X:stuff with X = rot( sub( r3 ) ) ^ RCON.
|
||||
*
|
||||
* On exit, xmm0 is r9:r8:r7:r6 and xmm1 is stuff:stuff:r11:r10
|
||||
* and those are written to the round key buffer.
|
||||
*/
|
||||
"1: \n\t"
|
||||
"pshufd $0x55, %%xmm2, %%xmm2 \n\t" // X:X:X:X
|
||||
"pxor %%xmm0, %%xmm2 \n\t" // X+r3:X+r2:X+r1:r4
|
||||
"pslldq $4, %%xmm0 \n\t" // etc
|
||||
"pxor %%xmm0, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm0, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm2, %%xmm0 \n\t" // update xmm0 = r9:r8:r7:r6
|
||||
"movdqu %%xmm0, (%0) \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"pshufd $0xff, %%xmm0, %%xmm2 \n\t" // r9:r9:r9:r9
|
||||
"pxor %%xmm1, %%xmm2 \n\t" // stuff:stuff:r9+r5:r10
|
||||
"pslldq $4, %%xmm1 \n\t" // r2:r1:r0:0
|
||||
"pxor %%xmm2, %%xmm1 \n\t" // xmm1 = stuff:stuff:r11:r10
|
||||
"movq %%xmm1, (%0) \n\t"
|
||||
"add $8, %0 \n\t"
|
||||
"ret \n\t"
|
||||
|
||||
"2: \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x01 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x02 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x04 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x08 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x10 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x20 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x40 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x80 \n\tcall 1b \n\t"
|
||||
|
||||
:
|
||||
: "r" (rk), "r" (key)
|
||||
: "memory", "cc", "0" );
|
||||
}
|
||||
|
||||
/*
|
||||
* Key expansion, 256-bit case
|
||||
*/
|
||||
static void aesni_setkey_enc_256( unsigned char *rk,
|
||||
const unsigned char *key )
|
||||
{
|
||||
asm( "movdqu (%1), %%xmm0 \n\t"
|
||||
"movdqu %%xmm0, (%0) \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"movdqu 16(%1), %%xmm1 \n\t"
|
||||
"movdqu %%xmm1, (%0) \n\t"
|
||||
"jmp 2f \n\t" // skip auxiliary routine
|
||||
|
||||
/*
|
||||
* Finish generating the next two round keys.
|
||||
*
|
||||
* On entry xmm0 is r3:r2:r1:r0, xmm1 is r7:r6:r5:r4 and
|
||||
* xmm2 is X:stuff:stuff:stuff with X = rot( sub( r7 )) ^ RCON
|
||||
*
|
||||
* On exit, xmm0 is r11:r10:r9:r8 and xmm1 is r15:r14:r13:r12
|
||||
* and those have been written to the output buffer.
|
||||
*/
|
||||
"1: \n\t"
|
||||
"pshufd $0xff, %%xmm2, %%xmm2 \n\t"
|
||||
"pxor %%xmm0, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm0, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm0, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm2, %%xmm0 \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"movdqu %%xmm0, (%0) \n\t"
|
||||
|
||||
/* Set xmm2 to stuff:Y:stuff:stuff with Y = subword( r11 )
|
||||
* and proceed to generate next round key from there */
|
||||
AESKEYGENA xmm0_xmm2 ",0x00 \n\t"
|
||||
"pshufd $0xaa, %%xmm2, %%xmm2 \n\t"
|
||||
"pxor %%xmm1, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm1 \n\t"
|
||||
"pxor %%xmm1, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm1 \n\t"
|
||||
"pxor %%xmm1, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm1 \n\t"
|
||||
"pxor %%xmm2, %%xmm1 \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"movdqu %%xmm1, (%0) \n\t"
|
||||
"ret \n\t"
|
||||
|
||||
/*
|
||||
* Main "loop" - Generating one more key than necessary,
|
||||
* see definition of mbedtls_aes_context.buf
|
||||
*/
|
||||
"2: \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x01 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x02 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x04 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x08 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x10 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x20 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x40 \n\tcall 1b \n\t"
|
||||
:
|
||||
: "r" (rk), "r" (key)
|
||||
: "memory", "cc", "0" );
|
||||
}
|
||||
|
||||
/*
|
||||
* Key expansion, wrapper
|
||||
*/
|
||||
int mbedtls_aesni_setkey_enc( unsigned char *rk,
|
||||
const unsigned char *key,
|
||||
size_t bits )
|
||||
{
|
||||
switch( bits )
|
||||
{
|
||||
case 128: aesni_setkey_enc_128( rk, key ); break;
|
||||
case 192: aesni_setkey_enc_192( rk, key ); break;
|
||||
case 256: aesni_setkey_enc_256( rk, key ); break;
|
||||
default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#endif /* MBEDTLS_HAVE_X86_64 */
|
||||
|
||||
#endif /* MBEDTLS_AESNI_C */
|
||||
@@ -1,111 +0,0 @@
|
||||
/**
|
||||
* \file aesni.h
|
||||
*
|
||||
* \brief AES-NI for hardware AES acceleration on some Intel processors
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
#ifndef MBEDTLS_AESNI_H
|
||||
#define MBEDTLS_AESNI_H
|
||||
|
||||
#include "aes.h"
|
||||
|
||||
#define MBEDTLS_AESNI_AES 0x02000000u
|
||||
#define MBEDTLS_AESNI_CLMUL 0x00000002u
|
||||
|
||||
#if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && \
|
||||
( defined(__amd64__) || defined(__x86_64__) ) && \
|
||||
! defined(MBEDTLS_HAVE_X86_64)
|
||||
#define MBEDTLS_HAVE_X86_64
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_HAVE_X86_64)
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* \brief AES-NI features detection routine
|
||||
*
|
||||
* \param what The feature to detect
|
||||
* (MBEDTLS_AESNI_AES or MBEDTLS_AESNI_CLMUL)
|
||||
*
|
||||
* \return 1 if CPU has support for the feature, 0 otherwise
|
||||
*/
|
||||
int mbedtls_aesni_has_support( unsigned int what );
|
||||
|
||||
/**
|
||||
* \brief AES-NI AES-ECB block en(de)cryption
|
||||
*
|
||||
* \param ctx AES context
|
||||
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
|
||||
* \param input 16-byte input block
|
||||
* \param output 16-byte output block
|
||||
*
|
||||
* \return 0 on success (cannot fail)
|
||||
*/
|
||||
int mbedtls_aesni_crypt_ecb( mbedtls_aes_context *ctx,
|
||||
int mode,
|
||||
const unsigned char input[16],
|
||||
unsigned char output[16] );
|
||||
|
||||
/**
|
||||
* \brief GCM multiplication: c = a * b in GF(2^128)
|
||||
*
|
||||
* \param c Result
|
||||
* \param a First operand
|
||||
* \param b Second operand
|
||||
*
|
||||
* \note Both operands and result are bit strings interpreted as
|
||||
* elements of GF(2^128) as per the GCM spec.
|
||||
*/
|
||||
void mbedtls_aesni_gcm_mult( unsigned char c[16],
|
||||
const unsigned char a[16],
|
||||
const unsigned char b[16] );
|
||||
|
||||
/**
|
||||
* \brief Compute decryption round keys from encryption round keys
|
||||
*
|
||||
* \param invkey Round keys for the equivalent inverse cipher
|
||||
* \param fwdkey Original round keys (for encryption)
|
||||
* \param nr Number of rounds (that is, number of round keys minus one)
|
||||
*/
|
||||
void mbedtls_aesni_inverse_key( unsigned char *invkey,
|
||||
const unsigned char *fwdkey, int nr );
|
||||
|
||||
/**
|
||||
* \brief Perform key expansion (for encryption)
|
||||
*
|
||||
* \param rk Destination buffer where the round keys are written
|
||||
* \param key Encryption key
|
||||
* \param bits Key size in bits (must be 128, 192 or 256)
|
||||
*
|
||||
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
|
||||
*/
|
||||
int mbedtls_aesni_setkey_enc( unsigned char *rk,
|
||||
const unsigned char *key,
|
||||
size_t bits );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* MBEDTLS_HAVE_X86_64 */
|
||||
|
||||
#endif /* MBEDTLS_AESNI_H */
|
||||
@@ -1,464 +0,0 @@
|
||||
/*
|
||||
* NIST SP800-38C compliant CCM implementation
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
|
||||
/*
|
||||
* Definition of CCM:
|
||||
* http://csrc.nist.gov/publications/nistpubs/800-38C/SP800-38C_updated-July20_2007.pdf
|
||||
* RFC 3610 "Counter with CBC-MAC (CCM)"
|
||||
*
|
||||
* Related:
|
||||
* RFC 5116 "An Interface and Algorithms for Authenticated Encryption"
|
||||
*/
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "mbedtls/config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_CCM_C)
|
||||
|
||||
#include "mbedtls/ccm.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
|
||||
#if defined(MBEDTLS_PLATFORM_C)
|
||||
#include "mbedtls/platform.h"
|
||||
#else
|
||||
#include <stdio.h>
|
||||
#define mbedtls_printf printf
|
||||
#endif /* MBEDTLS_PLATFORM_C */
|
||||
#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
|
||||
|
||||
/* Implementation that should never be optimized out by the compiler */
|
||||
static void mbedtls_zeroize( void *v, size_t n ) {
|
||||
volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
|
||||
}
|
||||
|
||||
#define CCM_ENCRYPT 0
|
||||
#define CCM_DECRYPT 1
|
||||
|
||||
/*
|
||||
* Initialize context
|
||||
*/
|
||||
void mbedtls_ccm_init( mbedtls_ccm_context *ctx )
|
||||
{
|
||||
memset( ctx, 0, sizeof( mbedtls_ccm_context ) );
|
||||
}
|
||||
|
||||
int mbedtls_ccm_setkey( mbedtls_ccm_context *ctx,
|
||||
mbedtls_cipher_id_t cipher,
|
||||
const unsigned char *key,
|
||||
unsigned int keybits )
|
||||
{
|
||||
int ret;
|
||||
const mbedtls_cipher_info_t *cipher_info;
|
||||
|
||||
cipher_info = mbedtls_cipher_info_from_values( cipher, keybits, MBEDTLS_MODE_ECB );
|
||||
if( cipher_info == NULL )
|
||||
return( MBEDTLS_ERR_CCM_BAD_INPUT );
|
||||
|
||||
if( cipher_info->block_size != 16 )
|
||||
return( MBEDTLS_ERR_CCM_BAD_INPUT );
|
||||
|
||||
mbedtls_cipher_free( &ctx->cipher_ctx );
|
||||
|
||||
if( ( ret = mbedtls_cipher_setup( &ctx->cipher_ctx, cipher_info ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = mbedtls_cipher_setkey( &ctx->cipher_ctx, key, keybits,
|
||||
MBEDTLS_ENCRYPT ) ) != 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* Free context
|
||||
*/
|
||||
void mbedtls_ccm_free( mbedtls_ccm_context *ctx )
|
||||
{
|
||||
mbedtls_cipher_free( &ctx->cipher_ctx );
|
||||
mbedtls_zeroize( ctx, sizeof( mbedtls_ccm_context ) );
|
||||
}
|
||||
|
||||
/*
|
||||
* Macros for common operations.
|
||||
* Results in smaller compiled code than static inline functions.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Update the CBC-MAC state in y using a block in b
|
||||
* (Always using b as the source helps the compiler optimise a bit better.)
|
||||
*/
|
||||
#define UPDATE_CBC_MAC \
|
||||
for( i = 0; i < 16; i++ ) \
|
||||
y[i] ^= b[i]; \
|
||||
\
|
||||
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, y, 16, y, &olen ) ) != 0 ) \
|
||||
return( ret );
|
||||
|
||||
/*
|
||||
* Encrypt or decrypt a partial block with CTR
|
||||
* Warning: using b for temporary storage! src and dst must not be b!
|
||||
* This avoids allocating one more 16 bytes buffer while allowing src == dst.
|
||||
*/
|
||||
#define CTR_CRYPT( dst, src, len ) \
|
||||
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, ctr, 16, b, &olen ) ) != 0 ) \
|
||||
return( ret ); \
|
||||
\
|
||||
for( i = 0; i < len; i++ ) \
|
||||
dst[i] = src[i] ^ b[i];
|
||||
|
||||
/*
|
||||
* Authenticated encryption or decryption
|
||||
*/
|
||||
static int ccm_auth_crypt( mbedtls_ccm_context *ctx, int mode, size_t length,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *add, size_t add_len,
|
||||
const unsigned char *input, unsigned char *output,
|
||||
unsigned char *tag, size_t tag_len )
|
||||
{
|
||||
int ret;
|
||||
unsigned char i;
|
||||
unsigned char q;
|
||||
size_t len_left, olen;
|
||||
unsigned char b[16];
|
||||
unsigned char y[16];
|
||||
unsigned char ctr[16];
|
||||
const unsigned char *src;
|
||||
unsigned char *dst;
|
||||
|
||||
/*
|
||||
* Check length requirements: SP800-38C A.1
|
||||
* Additional requirement: a < 2^16 - 2^8 to simplify the code.
|
||||
* 'length' checked later (when writing it to the first block)
|
||||
*/
|
||||
if( tag_len < 4 || tag_len > 16 || tag_len % 2 != 0 )
|
||||
return( MBEDTLS_ERR_CCM_BAD_INPUT );
|
||||
|
||||
/* Also implies q is within bounds */
|
||||
if( iv_len < 7 || iv_len > 13 )
|
||||
return( MBEDTLS_ERR_CCM_BAD_INPUT );
|
||||
|
||||
if( add_len > 0xFF00 )
|
||||
return( MBEDTLS_ERR_CCM_BAD_INPUT );
|
||||
|
||||
q = 16 - 1 - (unsigned char) iv_len;
|
||||
|
||||
/*
|
||||
* First block B_0:
|
||||
* 0 .. 0 flags
|
||||
* 1 .. iv_len nonce (aka iv)
|
||||
* iv_len+1 .. 15 length
|
||||
*
|
||||
* With flags as (bits):
|
||||
* 7 0
|
||||
* 6 add present?
|
||||
* 5 .. 3 (t - 2) / 2
|
||||
* 2 .. 0 q - 1
|
||||
*/
|
||||
b[0] = 0;
|
||||
b[0] |= ( add_len > 0 ) << 6;
|
||||
b[0] |= ( ( tag_len - 2 ) / 2 ) << 3;
|
||||
b[0] |= q - 1;
|
||||
|
||||
memcpy( b + 1, iv, iv_len );
|
||||
|
||||
for( i = 0, len_left = length; i < q; i++, len_left >>= 8 )
|
||||
b[15-i] = (unsigned char)( len_left & 0xFF );
|
||||
|
||||
if( len_left > 0 )
|
||||
return( MBEDTLS_ERR_CCM_BAD_INPUT );
|
||||
|
||||
|
||||
/* Start CBC-MAC with first block */
|
||||
memset( y, 0, 16 );
|
||||
UPDATE_CBC_MAC;
|
||||
|
||||
/*
|
||||
* If there is additional data, update CBC-MAC with
|
||||
* add_len, add, 0 (padding to a block boundary)
|
||||
*/
|
||||
if( add_len > 0 )
|
||||
{
|
||||
size_t use_len;
|
||||
len_left = add_len;
|
||||
src = add;
|
||||
|
||||
memset( b, 0, 16 );
|
||||
b[0] = (unsigned char)( ( add_len >> 8 ) & 0xFF );
|
||||
b[1] = (unsigned char)( ( add_len ) & 0xFF );
|
||||
|
||||
use_len = len_left < 16 - 2 ? len_left : 16 - 2;
|
||||
memcpy( b + 2, src, use_len );
|
||||
len_left -= use_len;
|
||||
src += use_len;
|
||||
|
||||
UPDATE_CBC_MAC;
|
||||
|
||||
while( len_left > 0 )
|
||||
{
|
||||
use_len = len_left > 16 ? 16 : len_left;
|
||||
|
||||
memset( b, 0, 16 );
|
||||
memcpy( b, src, use_len );
|
||||
UPDATE_CBC_MAC;
|
||||
|
||||
len_left -= use_len;
|
||||
src += use_len;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Prepare counter block for encryption:
|
||||
* 0 .. 0 flags
|
||||
* 1 .. iv_len nonce (aka iv)
|
||||
* iv_len+1 .. 15 counter (initially 1)
|
||||
*
|
||||
* With flags as (bits):
|
||||
* 7 .. 3 0
|
||||
* 2 .. 0 q - 1
|
||||
*/
|
||||
ctr[0] = q - 1;
|
||||
memcpy( ctr + 1, iv, iv_len );
|
||||
memset( ctr + 1 + iv_len, 0, q );
|
||||
ctr[15] = 1;
|
||||
|
||||
/*
|
||||
* Authenticate and {en,de}crypt the message.
|
||||
*
|
||||
* The only difference between encryption and decryption is
|
||||
* the respective order of authentication and {en,de}cryption.
|
||||
*/
|
||||
len_left = length;
|
||||
src = input;
|
||||
dst = output;
|
||||
|
||||
while( len_left > 0 )
|
||||
{
|
||||
size_t use_len = len_left > 16 ? 16 : len_left;
|
||||
|
||||
if( mode == CCM_ENCRYPT )
|
||||
{
|
||||
memset( b, 0, 16 );
|
||||
memcpy( b, src, use_len );
|
||||
UPDATE_CBC_MAC;
|
||||
}
|
||||
|
||||
CTR_CRYPT( dst, src, use_len );
|
||||
|
||||
if( mode == CCM_DECRYPT )
|
||||
{
|
||||
memset( b, 0, 16 );
|
||||
memcpy( b, dst, use_len );
|
||||
UPDATE_CBC_MAC;
|
||||
}
|
||||
|
||||
dst += use_len;
|
||||
src += use_len;
|
||||
len_left -= use_len;
|
||||
|
||||
/*
|
||||
* Increment counter.
|
||||
* No need to check for overflow thanks to the length check above.
|
||||
*/
|
||||
for( i = 0; i < q; i++ )
|
||||
if( ++ctr[15-i] != 0 )
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* Authentication: reset counter and crypt/mask internal tag
|
||||
*/
|
||||
for( i = 0; i < q; i++ )
|
||||
ctr[15-i] = 0;
|
||||
|
||||
CTR_CRYPT( y, y, 16 );
|
||||
memcpy( tag, y, tag_len );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* Authenticated encryption
|
||||
*/
|
||||
int mbedtls_ccm_encrypt_and_tag( mbedtls_ccm_context *ctx, size_t length,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *add, size_t add_len,
|
||||
const unsigned char *input, unsigned char *output,
|
||||
unsigned char *tag, size_t tag_len )
|
||||
{
|
||||
return( ccm_auth_crypt( ctx, CCM_ENCRYPT, length, iv, iv_len,
|
||||
add, add_len, input, output, tag, tag_len ) );
|
||||
}
|
||||
|
||||
/*
|
||||
* Authenticated decryption
|
||||
*/
|
||||
int mbedtls_ccm_auth_decrypt( mbedtls_ccm_context *ctx, size_t length,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *add, size_t add_len,
|
||||
const unsigned char *input, unsigned char *output,
|
||||
const unsigned char *tag, size_t tag_len )
|
||||
{
|
||||
int ret;
|
||||
unsigned char check_tag[16];
|
||||
unsigned char i;
|
||||
int diff;
|
||||
|
||||
if( ( ret = ccm_auth_crypt( ctx, CCM_DECRYPT, length,
|
||||
iv, iv_len, add, add_len,
|
||||
input, output, check_tag, tag_len ) ) != 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
/* Check tag in "constant-time" */
|
||||
for( diff = 0, i = 0; i < tag_len; i++ )
|
||||
diff |= tag[i] ^ check_tag[i];
|
||||
|
||||
if( diff != 0 )
|
||||
{
|
||||
mbedtls_zeroize( output, length );
|
||||
return( MBEDTLS_ERR_CCM_AUTH_FAILED );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
|
||||
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
|
||||
/*
|
||||
* Examples 1 to 3 from SP800-38C Appendix C
|
||||
*/
|
||||
|
||||
#define NB_TESTS 3
|
||||
|
||||
/*
|
||||
* The data is the same for all tests, only the used length changes
|
||||
*/
|
||||
static const unsigned char key[] = {
|
||||
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
|
||||
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
|
||||
};
|
||||
|
||||
static const unsigned char iv[] = {
|
||||
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
|
||||
0x18, 0x19, 0x1a, 0x1b
|
||||
};
|
||||
|
||||
static const unsigned char ad[] = {
|
||||
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
||||
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
|
||||
0x10, 0x11, 0x12, 0x13
|
||||
};
|
||||
|
||||
static const unsigned char msg[] = {
|
||||
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
|
||||
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
|
||||
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
|
||||
};
|
||||
|
||||
static const size_t iv_len [NB_TESTS] = { 7, 8, 12 };
|
||||
static const size_t add_len[NB_TESTS] = { 8, 16, 20 };
|
||||
static const size_t msg_len[NB_TESTS] = { 4, 16, 24 };
|
||||
static const size_t tag_len[NB_TESTS] = { 4, 6, 8 };
|
||||
|
||||
static const unsigned char res[NB_TESTS][32] = {
|
||||
{ 0x71, 0x62, 0x01, 0x5b, 0x4d, 0xac, 0x25, 0x5d },
|
||||
{ 0xd2, 0xa1, 0xf0, 0xe0, 0x51, 0xea, 0x5f, 0x62,
|
||||
0x08, 0x1a, 0x77, 0x92, 0x07, 0x3d, 0x59, 0x3d,
|
||||
0x1f, 0xc6, 0x4f, 0xbf, 0xac, 0xcd },
|
||||
{ 0xe3, 0xb2, 0x01, 0xa9, 0xf5, 0xb7, 0x1a, 0x7a,
|
||||
0x9b, 0x1c, 0xea, 0xec, 0xcd, 0x97, 0xe7, 0x0b,
|
||||
0x61, 0x76, 0xaa, 0xd9, 0xa4, 0x42, 0x8a, 0xa5,
|
||||
0x48, 0x43, 0x92, 0xfb, 0xc1, 0xb0, 0x99, 0x51 }
|
||||
};
|
||||
|
||||
int mbedtls_ccm_self_test( int verbose )
|
||||
{
|
||||
mbedtls_ccm_context ctx;
|
||||
unsigned char out[32];
|
||||
size_t i;
|
||||
int ret;
|
||||
|
||||
mbedtls_ccm_init( &ctx );
|
||||
|
||||
if( mbedtls_ccm_setkey( &ctx, MBEDTLS_CIPHER_ID_AES, key, 8 * sizeof key ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( " CCM: setup failed" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
for( i = 0; i < NB_TESTS; i++ )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( " CCM-AES #%u: ", (unsigned int) i + 1 );
|
||||
|
||||
ret = mbedtls_ccm_encrypt_and_tag( &ctx, msg_len[i],
|
||||
iv, iv_len[i], ad, add_len[i],
|
||||
msg, out,
|
||||
out + msg_len[i], tag_len[i] );
|
||||
|
||||
if( ret != 0 ||
|
||||
memcmp( out, res[i], msg_len[i] + tag_len[i] ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
ret = mbedtls_ccm_auth_decrypt( &ctx, msg_len[i],
|
||||
iv, iv_len[i], ad, add_len[i],
|
||||
res[i], out,
|
||||
res[i] + msg_len[i], tag_len[i] );
|
||||
|
||||
if( ret != 0 ||
|
||||
memcmp( out, msg, msg_len[i] ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "passed\n" );
|
||||
}
|
||||
|
||||
mbedtls_ccm_free( &ctx );
|
||||
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "\n" );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
|
||||
|
||||
#endif /* MBEDTLS_CCM_C */
|
||||
@@ -1,141 +0,0 @@
|
||||
/**
|
||||
* \file ccm.h
|
||||
*
|
||||
* \brief Counter with CBC-MAC (CCM) for 128-bit block ciphers
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
#ifndef MBEDTLS_CCM_H
|
||||
#define MBEDTLS_CCM_H
|
||||
|
||||
#include "cipher.h"
|
||||
|
||||
#define MBEDTLS_ERR_CCM_BAD_INPUT -0x000D /**< Bad input parameters to function. */
|
||||
#define MBEDTLS_ERR_CCM_AUTH_FAILED -0x000F /**< Authenticated decryption failed. */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* \brief CCM context structure
|
||||
*/
|
||||
typedef struct {
|
||||
mbedtls_cipher_context_t cipher_ctx; /*!< cipher context used */
|
||||
}
|
||||
mbedtls_ccm_context;
|
||||
|
||||
/**
|
||||
* \brief Initialize CCM context (just makes references valid)
|
||||
* Makes the context ready for mbedtls_ccm_setkey() or
|
||||
* mbedtls_ccm_free().
|
||||
*
|
||||
* \param ctx CCM context to initialize
|
||||
*/
|
||||
void mbedtls_ccm_init( mbedtls_ccm_context *ctx );
|
||||
|
||||
/**
|
||||
* \brief CCM initialization (encryption and decryption)
|
||||
*
|
||||
* \param ctx CCM context to be initialized
|
||||
* \param cipher cipher to use (a 128-bit block cipher)
|
||||
* \param key encryption key
|
||||
* \param keybits key size in bits (must be acceptable by the cipher)
|
||||
*
|
||||
* \return 0 if successful, or a cipher specific error code
|
||||
*/
|
||||
int mbedtls_ccm_setkey( mbedtls_ccm_context *ctx,
|
||||
mbedtls_cipher_id_t cipher,
|
||||
const unsigned char *key,
|
||||
unsigned int keybits );
|
||||
|
||||
/**
|
||||
* \brief Free a CCM context and underlying cipher sub-context
|
||||
*
|
||||
* \param ctx CCM context to free
|
||||
*/
|
||||
void mbedtls_ccm_free( mbedtls_ccm_context *ctx );
|
||||
|
||||
/**
|
||||
* \brief CCM buffer encryption
|
||||
*
|
||||
* \param ctx CCM context
|
||||
* \param length length of the input data in bytes
|
||||
* \param iv nonce (initialization vector)
|
||||
* \param iv_len length of IV in bytes
|
||||
* must be 2, 3, 4, 5, 6, 7 or 8
|
||||
* \param add additional data
|
||||
* \param add_len length of additional data in bytes
|
||||
* must be less than 2^16 - 2^8
|
||||
* \param input buffer holding the input data
|
||||
* \param output buffer for holding the output data
|
||||
* must be at least 'length' bytes wide
|
||||
* \param tag buffer for holding the tag
|
||||
* \param tag_len length of the tag to generate in bytes
|
||||
* must be 4, 6, 8, 10, 14 or 16
|
||||
*
|
||||
* \note The tag is written to a separate buffer. To get the tag
|
||||
* concatenated with the output as in the CCM spec, use
|
||||
* tag = output + length and make sure the output buffer is
|
||||
* at least length + tag_len wide.
|
||||
*
|
||||
* \return 0 if successful
|
||||
*/
|
||||
int mbedtls_ccm_encrypt_and_tag( mbedtls_ccm_context *ctx, size_t length,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *add, size_t add_len,
|
||||
const unsigned char *input, unsigned char *output,
|
||||
unsigned char *tag, size_t tag_len );
|
||||
|
||||
/**
|
||||
* \brief CCM buffer authenticated decryption
|
||||
*
|
||||
* \param ctx CCM context
|
||||
* \param length length of the input data
|
||||
* \param iv initialization vector
|
||||
* \param iv_len length of IV
|
||||
* \param add additional data
|
||||
* \param add_len length of additional data
|
||||
* \param input buffer holding the input data
|
||||
* \param output buffer for holding the output data
|
||||
* \param tag buffer holding the tag
|
||||
* \param tag_len length of the tag
|
||||
*
|
||||
* \return 0 if successful and authenticated,
|
||||
* MBEDTLS_ERR_CCM_AUTH_FAILED if tag does not match
|
||||
*/
|
||||
int mbedtls_ccm_auth_decrypt( mbedtls_ccm_context *ctx, size_t length,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *add, size_t add_len,
|
||||
const unsigned char *input, unsigned char *output,
|
||||
const unsigned char *tag, size_t tag_len );
|
||||
|
||||
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
|
||||
/**
|
||||
* \brief Checkup routine
|
||||
*
|
||||
* \return 0 if successful, or 1 if the test failed
|
||||
*/
|
||||
int mbedtls_ccm_self_test( int verbose );
|
||||
#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* MBEDTLS_CCM_H */
|
||||
@@ -1,628 +0,0 @@
|
||||
/**
|
||||
* \file check_config.h
|
||||
*
|
||||
* \brief Consistency checks for configuration options
|
||||
*
|
||||
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
|
||||
/*
|
||||
* It is recommended to include this file from your config.h
|
||||
* in order to catch dependency issues early.
|
||||
*/
|
||||
|
||||
#ifndef MBEDTLS_CHECK_CONFIG_H
|
||||
#define MBEDTLS_CHECK_CONFIG_H
|
||||
|
||||
/*
|
||||
* We assume CHAR_BIT is 8 in many places. In practice, this is true on our
|
||||
* target platforms, so not an issue, but let's just be extra sure.
|
||||
*/
|
||||
#include <limits.h>
|
||||
#if CHAR_BIT != 8
|
||||
#error "mbed TLS requires a platform with 8-bit chars"
|
||||
#endif
|
||||
|
||||
#if defined(_WIN32)
|
||||
#if !defined(MBEDTLS_PLATFORM_C)
|
||||
#error "MBEDTLS_PLATFORM_C is required on Windows"
|
||||
#endif
|
||||
|
||||
/* Fix the config here. Not convenient to put an #ifdef _WIN32 in config.h as
|
||||
* it would confuse config.pl. */
|
||||
#if !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && \
|
||||
!defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
|
||||
#define MBEDTLS_PLATFORM_SNPRINTF_ALT
|
||||
#endif
|
||||
#endif /* _WIN32 */
|
||||
|
||||
#if defined(TARGET_LIKE_MBED) && \
|
||||
( defined(MBEDTLS_NET_C) || defined(MBEDTLS_TIMING_C) )
|
||||
#error "The NET and TIMING modules are not available for mbed OS - please use the network and timing functions provided by mbed OS"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_DEPRECATED_WARNING) && \
|
||||
!defined(__GNUC__) && !defined(__clang__)
|
||||
#error "MBEDTLS_DEPRECATED_WARNING only works with GCC and Clang"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_HAVE_TIME)
|
||||
#error "MBEDTLS_HAVE_TIME_DATE without MBEDTLS_HAVE_TIME does not make sense"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_AESNI_C) && !defined(MBEDTLS_HAVE_ASM)
|
||||
#error "MBEDTLS_AESNI_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_AES_C)
|
||||
#error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
|
||||
#error "MBEDTLS_DHM_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_CMAC_C) && \
|
||||
!defined(MBEDTLS_AES_C) && !defined(MBEDTLS_DES_C)
|
||||
#error "MBEDTLS_CMAC_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
|
||||
#error "MBEDTLS_ECDH_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_ECDSA_C) && \
|
||||
( !defined(MBEDTLS_ECP_C) || \
|
||||
!defined(MBEDTLS_ASN1_PARSE_C) || \
|
||||
!defined(MBEDTLS_ASN1_WRITE_C) )
|
||||
#error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_ECJPAKE_C) && \
|
||||
( !defined(MBEDTLS_ECP_C) || !defined(MBEDTLS_MD_C) )
|
||||
#error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
|
||||
#error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_ECP_C) && ( !defined(MBEDTLS_BIGNUM_C) || ( \
|
||||
!defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) && \
|
||||
!defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) && \
|
||||
!defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) && \
|
||||
!defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) && \
|
||||
!defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) && \
|
||||
!defined(MBEDTLS_ECP_DP_BP256R1_ENABLED) && \
|
||||
!defined(MBEDTLS_ECP_DP_BP384R1_ENABLED) && \
|
||||
!defined(MBEDTLS_ECP_DP_BP512R1_ENABLED) && \
|
||||
!defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) && \
|
||||
!defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) && \
|
||||
!defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) ) )
|
||||
#error "MBEDTLS_ECP_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_ENTROPY_C) && (!defined(MBEDTLS_SHA512_C) && \
|
||||
!defined(MBEDTLS_SHA256_C))
|
||||
#error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
|
||||
#endif
|
||||
#if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_SHA512_C) && \
|
||||
defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 64)
|
||||
#error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
|
||||
#endif
|
||||
#if defined(MBEDTLS_ENTROPY_C) && \
|
||||
( !defined(MBEDTLS_SHA512_C) || defined(MBEDTLS_ENTROPY_FORCE_SHA256) ) \
|
||||
&& defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 32)
|
||||
#error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
|
||||
#endif
|
||||
#if defined(MBEDTLS_ENTROPY_C) && \
|
||||
defined(MBEDTLS_ENTROPY_FORCE_SHA256) && !defined(MBEDTLS_SHA256_C)
|
||||
#error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
|
||||
( !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) )
|
||||
#error "MBEDTLS_TEST_NULL_ENTROPY defined, but not all prerequisites"
|
||||
#endif
|
||||
#if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
|
||||
( defined(MBEDTLS_ENTROPY_NV_SEED) || defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \
|
||||
defined(MBEDTLS_HAVEGE_C) )
|
||||
#error "MBEDTLS_TEST_NULL_ENTROPY defined, but entropy sources too"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_GCM_C) && ( \
|
||||
!defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) )
|
||||
#error "MBEDTLS_GCM_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_HAVEGE_C) && !defined(MBEDTLS_TIMING_C)
|
||||
#error "MBEDTLS_HAVEGE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_HMAC_DRBG_C) && !defined(MBEDTLS_MD_C)
|
||||
#error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) && \
|
||||
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
|
||||
#error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) && \
|
||||
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
|
||||
#error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
|
||||
#error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) && \
|
||||
!defined(MBEDTLS_ECDH_C)
|
||||
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) && \
|
||||
( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) || \
|
||||
!defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
|
||||
#error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \
|
||||
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) || \
|
||||
!defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
|
||||
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) && \
|
||||
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) || \
|
||||
!defined(MBEDTLS_X509_CRT_PARSE_C) )
|
||||
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) && \
|
||||
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
|
||||
!defined(MBEDTLS_PKCS1_V15) )
|
||||
#error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) && \
|
||||
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
|
||||
!defined(MBEDTLS_PKCS1_V15) )
|
||||
#error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) && \
|
||||
( !defined(MBEDTLS_ECJPAKE_C) || !defined(MBEDTLS_SHA256_C) || \
|
||||
!defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
|
||||
#error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && \
|
||||
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
|
||||
#error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
|
||||
#error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
|
||||
#error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PEM_WRITE_C) && !defined(MBEDTLS_BASE64_C)
|
||||
#error "MBEDTLS_PEM_WRITE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PK_C) && \
|
||||
( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) )
|
||||
#error "MBEDTLS_PK_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_PK_C)
|
||||
#error "MBEDTLS_PK_PARSE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PK_WRITE_C) && !defined(MBEDTLS_PK_C)
|
||||
#error "MBEDTLS_PK_WRITE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PKCS11_C) && !defined(MBEDTLS_PK_C)
|
||||
#error "MBEDTLS_PKCS11_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_EXIT_ALT) && !defined(MBEDTLS_PLATFORM_C)
|
||||
#error "MBEDTLS_PLATFORM_EXIT_ALT defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO) && !defined(MBEDTLS_PLATFORM_C)
|
||||
#error "MBEDTLS_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO) &&\
|
||||
( defined(MBEDTLS_PLATFORM_STD_EXIT) ||\
|
||||
defined(MBEDTLS_PLATFORM_EXIT_ALT) )
|
||||
#error "MBEDTLS_PLATFORM_EXIT_MACRO and MBEDTLS_PLATFORM_STD_EXIT/MBEDTLS_PLATFORM_EXIT_ALT cannot be defined simultaneously"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_TIME_ALT) &&\
|
||||
( !defined(MBEDTLS_PLATFORM_C) ||\
|
||||
!defined(MBEDTLS_HAVE_TIME) )
|
||||
#error "MBEDTLS_PLATFORM_TIME_ALT defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
|
||||
( !defined(MBEDTLS_PLATFORM_C) ||\
|
||||
!defined(MBEDTLS_HAVE_TIME) )
|
||||
#error "MBEDTLS_PLATFORM_TIME_MACRO defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
|
||||
( !defined(MBEDTLS_PLATFORM_C) ||\
|
||||
!defined(MBEDTLS_HAVE_TIME) )
|
||||
#error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
|
||||
( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
|
||||
defined(MBEDTLS_PLATFORM_TIME_ALT) )
|
||||
#error "MBEDTLS_PLATFORM_TIME_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
|
||||
( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
|
||||
defined(MBEDTLS_PLATFORM_TIME_ALT) )
|
||||
#error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_FPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
|
||||
#error "MBEDTLS_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
|
||||
#error "MBEDTLS_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) &&\
|
||||
( defined(MBEDTLS_PLATFORM_STD_FPRINTF) ||\
|
||||
defined(MBEDTLS_PLATFORM_FPRINTF_ALT) )
|
||||
#error "MBEDTLS_PLATFORM_FPRINTF_MACRO and MBEDTLS_PLATFORM_STD_FPRINTF/MBEDTLS_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
|
||||
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
|
||||
#error "MBEDTLS_PLATFORM_FREE_MACRO defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
|
||||
defined(MBEDTLS_PLATFORM_STD_FREE)
|
||||
#error "MBEDTLS_PLATFORM_FREE_MACRO and MBEDTLS_PLATFORM_STD_FREE cannot be defined simultaneously"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) && !defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
|
||||
#error "MBEDTLS_PLATFORM_CALLOC_MACRO must be defined if MBEDTLS_PLATFORM_FREE_MACRO is"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
|
||||
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
|
||||
#error "MBEDTLS_PLATFORM_CALLOC_MACRO defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
|
||||
defined(MBEDTLS_PLATFORM_STD_CALLOC)
|
||||
#error "MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_STD_CALLOC cannot be defined simultaneously"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) && !defined(MBEDTLS_PLATFORM_FREE_MACRO)
|
||||
#error "MBEDTLS_PLATFORM_FREE_MACRO must be defined if MBEDTLS_PLATFORM_CALLOC_MACRO is"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_MEMORY) && !defined(MBEDTLS_PLATFORM_C)
|
||||
#error "MBEDTLS_PLATFORM_MEMORY defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_PRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
|
||||
#error "MBEDTLS_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
|
||||
#error "MBEDTLS_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) &&\
|
||||
( defined(MBEDTLS_PLATFORM_STD_PRINTF) ||\
|
||||
defined(MBEDTLS_PLATFORM_PRINTF_ALT) )
|
||||
#error "MBEDTLS_PLATFORM_PRINTF_MACRO and MBEDTLS_PLATFORM_STD_PRINTF/MBEDTLS_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
|
||||
#error "MBEDTLS_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
|
||||
#error "MBEDTLS_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) &&\
|
||||
( defined(MBEDTLS_PLATFORM_STD_SNPRINTF) ||\
|
||||
defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) )
|
||||
#error "MBEDTLS_PLATFORM_SNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_SNPRINTF/MBEDTLS_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_MEM_HDR) &&\
|
||||
!defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
|
||||
#error "MBEDTLS_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
|
||||
#error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
|
||||
#error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_FREE) && !defined(MBEDTLS_PLATFORM_MEMORY)
|
||||
#error "MBEDTLS_PLATFORM_STD_FREE defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_EXIT) &&\
|
||||
!defined(MBEDTLS_PLATFORM_EXIT_ALT)
|
||||
#error "MBEDTLS_PLATFORM_STD_EXIT defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_TIME) &&\
|
||||
( !defined(MBEDTLS_PLATFORM_TIME_ALT) ||\
|
||||
!defined(MBEDTLS_HAVE_TIME) )
|
||||
#error "MBEDTLS_PLATFORM_STD_TIME defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_FPRINTF) &&\
|
||||
!defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
|
||||
#error "MBEDTLS_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_PRINTF) &&\
|
||||
!defined(MBEDTLS_PLATFORM_PRINTF_ALT)
|
||||
#error "MBEDTLS_PLATFORM_STD_PRINTF defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_SNPRINTF) &&\
|
||||
!defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
|
||||
#error "MBEDTLS_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_ENTROPY_NV_SEED) &&\
|
||||
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_ENTROPY_C) )
|
||||
#error "MBEDTLS_ENTROPY_NV_SEED defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_NV_SEED_ALT) &&\
|
||||
!defined(MBEDTLS_ENTROPY_NV_SEED)
|
||||
#error "MBEDTLS_PLATFORM_NV_SEED_ALT defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) &&\
|
||||
!defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
|
||||
#error "MBEDTLS_PLATFORM_STD_NV_SEED_READ defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) &&\
|
||||
!defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
|
||||
#error "MBEDTLS_PLATFORM_STD_NV_SEED_WRITE defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) &&\
|
||||
( defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) ||\
|
||||
defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
|
||||
#error "MBEDTLS_PLATFORM_NV_SEED_READ_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_READ cannot be defined simultaneously"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO) &&\
|
||||
( defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) ||\
|
||||
defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
|
||||
#error "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_WRITE cannot be defined simultaneously"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
|
||||
!defined(MBEDTLS_OID_C) )
|
||||
#error "MBEDTLS_RSA_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_PKCS1_V21) && \
|
||||
!defined(MBEDTLS_PKCS1_V15) )
|
||||
#error "MBEDTLS_RSA_C defined, but none of the PKCS1 versions enabled"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) && \
|
||||
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_PKCS1_V21) )
|
||||
#error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_PROTO_SSL3) && ( !defined(MBEDTLS_MD5_C) || \
|
||||
!defined(MBEDTLS_SHA1_C) )
|
||||
#error "MBEDTLS_SSL_PROTO_SSL3 defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_PROTO_TLS1) && ( !defined(MBEDTLS_MD5_C) || \
|
||||
!defined(MBEDTLS_SHA1_C) )
|
||||
#error "MBEDTLS_SSL_PROTO_TLS1 defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_PROTO_TLS1_1) && ( !defined(MBEDTLS_MD5_C) || \
|
||||
!defined(MBEDTLS_SHA1_C) )
|
||||
#error "MBEDTLS_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_PROTO_TLS1_2) && ( !defined(MBEDTLS_SHA1_C) && \
|
||||
!defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
|
||||
#error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_PROTO_DTLS) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
|
||||
#error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
|
||||
#error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) || \
|
||||
!defined(MBEDTLS_MD_C) )
|
||||
#error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
|
||||
#error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_TLS_C) && (!defined(MBEDTLS_SSL_PROTO_SSL3) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1) && !defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1_2))
|
||||
#error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
|
||||
defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
|
||||
#error "Illegal protocol selection"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_TLS1) && \
|
||||
defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_SSL_PROTO_TLS1_1))
|
||||
#error "Illegal protocol selection"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
|
||||
defined(MBEDTLS_SSL_PROTO_TLS1_2) && (!defined(MBEDTLS_SSL_PROTO_TLS1) || \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1_1)))
|
||||
#error "Illegal protocol selection"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
|
||||
#error "MBEDTLS_SSL_DTLS_HELLO_VERIFY defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
|
||||
!defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
|
||||
#error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) && \
|
||||
( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
|
||||
#error "MBEDTLS_SSL_DTLS_ANTI_REPLAY defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) && \
|
||||
( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
|
||||
#error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
|
||||
#error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
|
||||
#error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_TICKET_C) && !defined(MBEDTLS_CIPHER_C)
|
||||
#error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) && \
|
||||
!defined(MBEDTLS_SSL_PROTO_SSL3) && !defined(MBEDTLS_SSL_PROTO_TLS1)
|
||||
#error "MBEDTLS_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
|
||||
!defined(MBEDTLS_X509_CRT_PARSE_C)
|
||||
#error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_THREADING_PTHREAD)
|
||||
#if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
|
||||
#error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"
|
||||
#endif
|
||||
#define MBEDTLS_THREADING_IMPL
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_THREADING_ALT)
|
||||
#if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
|
||||
#error "MBEDTLS_THREADING_ALT defined, but not all prerequisites"
|
||||
#endif
|
||||
#define MBEDTLS_THREADING_IMPL
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_THREADING_C) && !defined(MBEDTLS_THREADING_IMPL)
|
||||
#error "MBEDTLS_THREADING_C defined, single threading implementation required"
|
||||
#endif
|
||||
#undef MBEDTLS_THREADING_IMPL
|
||||
|
||||
#if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
|
||||
#error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_X509_USE_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
|
||||
!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) || \
|
||||
!defined(MBEDTLS_PK_PARSE_C) )
|
||||
#error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_X509_CREATE_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
|
||||
!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) || \
|
||||
!defined(MBEDTLS_PK_WRITE_C) )
|
||||
#error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_X509_CRT_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
|
||||
#error "MBEDTLS_X509_CRT_PARSE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_X509_CRL_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
|
||||
#error "MBEDTLS_X509_CRL_PARSE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_X509_CSR_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
|
||||
#error "MBEDTLS_X509_CSR_PARSE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_X509_CRT_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
|
||||
#error "MBEDTLS_X509_CRT_WRITE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_X509_CSR_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
|
||||
#error "MBEDTLS_X509_CSR_WRITE_C defined, but not all prerequisites"
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Avoid warning from -pedantic. This is a convenient place for this
|
||||
* workaround since this is included by every single file before the
|
||||
* #if defined(MBEDTLS_xxx_C) that results in emtpy translation units.
|
||||
*/
|
||||
typedef int mbedtls_iso_c_forbids_empty_translation_units;
|
||||
|
||||
#endif /* MBEDTLS_CHECK_CONFIG_H */
|
||||
@@ -1,917 +0,0 @@
|
||||
/**
|
||||
* \file cipher.c
|
||||
*
|
||||
* \brief Generic cipher wrapper for mbed TLS
|
||||
*
|
||||
* \author Adriaan de Jong <dejong@fox-it.com>
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "mbedtls/config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_C)
|
||||
|
||||
#include "mbedtls/cipher.h"
|
||||
#include "mbedtls/cipher_internal.h"
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#if defined(MBEDTLS_GCM_C)
|
||||
#include "mbedtls/gcm.h"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_CCM_C)
|
||||
#include "mbedtls/ccm.h"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_CMAC_C)
|
||||
#include "mbedtls/cmac.h"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_C)
|
||||
#include "mbedtls/platform.h"
|
||||
#else
|
||||
#define mbedtls_calloc calloc
|
||||
#define mbedtls_free free
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_ARC4_C) || defined(MBEDTLS_CIPHER_NULL_CIPHER)
|
||||
#define MBEDTLS_CIPHER_MODE_STREAM
|
||||
#endif
|
||||
|
||||
/* Implementation that should never be optimized out by the compiler */
|
||||
static void mbedtls_zeroize( void *v, size_t n ) {
|
||||
volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
|
||||
}
|
||||
|
||||
static int supported_init = 0;
|
||||
|
||||
const int *mbedtls_cipher_list( void )
|
||||
{
|
||||
const mbedtls_cipher_definition_t *def;
|
||||
int *type;
|
||||
|
||||
if( ! supported_init )
|
||||
{
|
||||
def = mbedtls_cipher_definitions;
|
||||
type = mbedtls_cipher_supported;
|
||||
|
||||
while( def->type != 0 )
|
||||
*type++ = (*def++).type;
|
||||
|
||||
*type = 0;
|
||||
|
||||
supported_init = 1;
|
||||
}
|
||||
|
||||
return( mbedtls_cipher_supported );
|
||||
}
|
||||
|
||||
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_type( const mbedtls_cipher_type_t cipher_type )
|
||||
{
|
||||
const mbedtls_cipher_definition_t *def;
|
||||
|
||||
for( def = mbedtls_cipher_definitions; def->info != NULL; def++ )
|
||||
if( def->type == cipher_type )
|
||||
return( def->info );
|
||||
|
||||
return( NULL );
|
||||
}
|
||||
|
||||
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_string( const char *cipher_name )
|
||||
{
|
||||
const mbedtls_cipher_definition_t *def;
|
||||
|
||||
if( NULL == cipher_name )
|
||||
return( NULL );
|
||||
|
||||
for( def = mbedtls_cipher_definitions; def->info != NULL; def++ )
|
||||
if( ! strcmp( def->info->name, cipher_name ) )
|
||||
return( def->info );
|
||||
|
||||
return( NULL );
|
||||
}
|
||||
|
||||
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_values( const mbedtls_cipher_id_t cipher_id,
|
||||
int key_bitlen,
|
||||
const mbedtls_cipher_mode_t mode )
|
||||
{
|
||||
const mbedtls_cipher_definition_t *def;
|
||||
|
||||
for( def = mbedtls_cipher_definitions; def->info != NULL; def++ )
|
||||
if( def->info->base->cipher == cipher_id &&
|
||||
def->info->key_bitlen == (unsigned) key_bitlen &&
|
||||
def->info->mode == mode )
|
||||
return( def->info );
|
||||
|
||||
return( NULL );
|
||||
}
|
||||
|
||||
void mbedtls_cipher_init( mbedtls_cipher_context_t *ctx )
|
||||
{
|
||||
memset( ctx, 0, sizeof( mbedtls_cipher_context_t ) );
|
||||
}
|
||||
|
||||
void mbedtls_cipher_free( mbedtls_cipher_context_t *ctx )
|
||||
{
|
||||
if( ctx == NULL )
|
||||
return;
|
||||
|
||||
#if defined(MBEDTLS_CMAC_C)
|
||||
if( ctx->cmac_ctx )
|
||||
{
|
||||
mbedtls_zeroize( ctx->cmac_ctx, sizeof( mbedtls_cmac_context_t ) );
|
||||
mbedtls_free( ctx->cmac_ctx );
|
||||
}
|
||||
#endif
|
||||
|
||||
if( ctx->cipher_ctx )
|
||||
ctx->cipher_info->base->ctx_free_func( ctx->cipher_ctx );
|
||||
|
||||
mbedtls_zeroize( ctx, sizeof(mbedtls_cipher_context_t) );
|
||||
}
|
||||
|
||||
int mbedtls_cipher_setup( mbedtls_cipher_context_t *ctx, const mbedtls_cipher_info_t *cipher_info )
|
||||
{
|
||||
if( NULL == cipher_info || NULL == ctx )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
memset( ctx, 0, sizeof( mbedtls_cipher_context_t ) );
|
||||
|
||||
if( NULL == ( ctx->cipher_ctx = cipher_info->base->ctx_alloc_func() ) )
|
||||
return( MBEDTLS_ERR_CIPHER_ALLOC_FAILED );
|
||||
|
||||
ctx->cipher_info = cipher_info;
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
|
||||
/*
|
||||
* Ignore possible errors caused by a cipher mode that doesn't use padding
|
||||
*/
|
||||
#if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
|
||||
(void) mbedtls_cipher_set_padding_mode( ctx, MBEDTLS_PADDING_PKCS7 );
|
||||
#else
|
||||
(void) mbedtls_cipher_set_padding_mode( ctx, MBEDTLS_PADDING_NONE );
|
||||
#endif
|
||||
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int mbedtls_cipher_setkey( mbedtls_cipher_context_t *ctx, const unsigned char *key,
|
||||
int key_bitlen, const mbedtls_operation_t operation )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
if( ( ctx->cipher_info->flags & MBEDTLS_CIPHER_VARIABLE_KEY_LEN ) == 0 &&
|
||||
(int) ctx->cipher_info->key_bitlen != key_bitlen )
|
||||
{
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
}
|
||||
|
||||
ctx->key_bitlen = key_bitlen;
|
||||
ctx->operation = operation;
|
||||
|
||||
/*
|
||||
* For CFB and CTR mode always use the encryption key schedule
|
||||
*/
|
||||
if( MBEDTLS_ENCRYPT == operation ||
|
||||
MBEDTLS_MODE_CFB == ctx->cipher_info->mode ||
|
||||
MBEDTLS_MODE_CTR == ctx->cipher_info->mode )
|
||||
{
|
||||
return ctx->cipher_info->base->setkey_enc_func( ctx->cipher_ctx, key,
|
||||
ctx->key_bitlen );
|
||||
}
|
||||
|
||||
if( MBEDTLS_DECRYPT == operation )
|
||||
return ctx->cipher_info->base->setkey_dec_func( ctx->cipher_ctx, key,
|
||||
ctx->key_bitlen );
|
||||
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
}
|
||||
|
||||
int mbedtls_cipher_set_iv( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *iv, size_t iv_len )
|
||||
{
|
||||
size_t actual_iv_size;
|
||||
|
||||
if( NULL == ctx || NULL == ctx->cipher_info || NULL == iv )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
/* avoid buffer overflow in ctx->iv */
|
||||
if( iv_len > MBEDTLS_MAX_IV_LENGTH )
|
||||
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
|
||||
|
||||
if( ( ctx->cipher_info->flags & MBEDTLS_CIPHER_VARIABLE_IV_LEN ) != 0 )
|
||||
actual_iv_size = iv_len;
|
||||
else
|
||||
{
|
||||
actual_iv_size = ctx->cipher_info->iv_size;
|
||||
|
||||
/* avoid reading past the end of input buffer */
|
||||
if( actual_iv_size > iv_len )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
}
|
||||
|
||||
memcpy( ctx->iv, iv, actual_iv_size );
|
||||
ctx->iv_size = actual_iv_size;
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int mbedtls_cipher_reset( mbedtls_cipher_context_t *ctx )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
ctx->unprocessed_len = 0;
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#if defined(MBEDTLS_GCM_C)
|
||||
int mbedtls_cipher_update_ad( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *ad, size_t ad_len )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
|
||||
{
|
||||
return mbedtls_gcm_starts( (mbedtls_gcm_context *) ctx->cipher_ctx, ctx->operation,
|
||||
ctx->iv, ctx->iv_size, ad, ad_len );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_GCM_C */
|
||||
|
||||
int mbedtls_cipher_update( mbedtls_cipher_context_t *ctx, const unsigned char *input,
|
||||
size_t ilen, unsigned char *output, size_t *olen )
|
||||
{
|
||||
int ret;
|
||||
size_t block_size = 0;
|
||||
|
||||
if( NULL == ctx || NULL == ctx->cipher_info || NULL == olen )
|
||||
{
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
}
|
||||
|
||||
*olen = 0;
|
||||
block_size = mbedtls_cipher_get_block_size( ctx );
|
||||
|
||||
if( ctx->cipher_info->mode == MBEDTLS_MODE_ECB )
|
||||
{
|
||||
if( ilen != block_size )
|
||||
return( MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED );
|
||||
|
||||
*olen = ilen;
|
||||
|
||||
if( 0 != ( ret = ctx->cipher_info->base->ecb_func( ctx->cipher_ctx,
|
||||
ctx->operation, input, output ) ) )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#if defined(MBEDTLS_GCM_C)
|
||||
if( ctx->cipher_info->mode == MBEDTLS_MODE_GCM )
|
||||
{
|
||||
*olen = ilen;
|
||||
return mbedtls_gcm_update( (mbedtls_gcm_context *) ctx->cipher_ctx, ilen, input,
|
||||
output );
|
||||
}
|
||||
#endif
|
||||
|
||||
if ( 0 == block_size )
|
||||
{
|
||||
return MBEDTLS_ERR_CIPHER_INVALID_CONTEXT;
|
||||
}
|
||||
|
||||
if( input == output &&
|
||||
( ctx->unprocessed_len != 0 || ilen % block_size ) )
|
||||
{
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
}
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CBC)
|
||||
if( ctx->cipher_info->mode == MBEDTLS_MODE_CBC )
|
||||
{
|
||||
size_t copy_len = 0;
|
||||
|
||||
/*
|
||||
* If there is not enough data for a full block, cache it.
|
||||
*/
|
||||
if( ( ctx->operation == MBEDTLS_DECRYPT &&
|
||||
ilen + ctx->unprocessed_len <= block_size ) ||
|
||||
( ctx->operation == MBEDTLS_ENCRYPT &&
|
||||
ilen + ctx->unprocessed_len < block_size ) )
|
||||
{
|
||||
memcpy( &( ctx->unprocessed_data[ctx->unprocessed_len] ), input,
|
||||
ilen );
|
||||
|
||||
ctx->unprocessed_len += ilen;
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* Process cached data first
|
||||
*/
|
||||
if( 0 != ctx->unprocessed_len )
|
||||
{
|
||||
copy_len = block_size - ctx->unprocessed_len;
|
||||
|
||||
memcpy( &( ctx->unprocessed_data[ctx->unprocessed_len] ), input,
|
||||
copy_len );
|
||||
|
||||
if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx,
|
||||
ctx->operation, block_size, ctx->iv,
|
||||
ctx->unprocessed_data, output ) ) )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
*olen += block_size;
|
||||
output += block_size;
|
||||
ctx->unprocessed_len = 0;
|
||||
|
||||
input += copy_len;
|
||||
ilen -= copy_len;
|
||||
}
|
||||
|
||||
/*
|
||||
* Cache final, incomplete block
|
||||
*/
|
||||
if( 0 != ilen )
|
||||
{
|
||||
if( 0 == block_size )
|
||||
{
|
||||
return MBEDTLS_ERR_CIPHER_INVALID_CONTEXT;
|
||||
}
|
||||
|
||||
copy_len = ilen % block_size;
|
||||
if( copy_len == 0 && ctx->operation == MBEDTLS_DECRYPT )
|
||||
copy_len = block_size;
|
||||
|
||||
memcpy( ctx->unprocessed_data, &( input[ilen - copy_len] ),
|
||||
copy_len );
|
||||
|
||||
ctx->unprocessed_len += copy_len;
|
||||
ilen -= copy_len;
|
||||
}
|
||||
|
||||
/*
|
||||
* Process remaining full blocks
|
||||
*/
|
||||
if( ilen )
|
||||
{
|
||||
if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx,
|
||||
ctx->operation, ilen, ctx->iv, input, output ) ) )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
*olen += ilen;
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_MODE_CBC */
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CFB)
|
||||
if( ctx->cipher_info->mode == MBEDTLS_MODE_CFB )
|
||||
{
|
||||
if( 0 != ( ret = ctx->cipher_info->base->cfb_func( ctx->cipher_ctx,
|
||||
ctx->operation, ilen, &ctx->unprocessed_len, ctx->iv,
|
||||
input, output ) ) )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
*olen = ilen;
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_MODE_CFB */
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CTR)
|
||||
if( ctx->cipher_info->mode == MBEDTLS_MODE_CTR )
|
||||
{
|
||||
if( 0 != ( ret = ctx->cipher_info->base->ctr_func( ctx->cipher_ctx,
|
||||
ilen, &ctx->unprocessed_len, ctx->iv,
|
||||
ctx->unprocessed_data, input, output ) ) )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
*olen = ilen;
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_MODE_CTR */
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
|
||||
if( ctx->cipher_info->mode == MBEDTLS_MODE_STREAM )
|
||||
{
|
||||
if( 0 != ( ret = ctx->cipher_info->base->stream_func( ctx->cipher_ctx,
|
||||
ilen, input, output ) ) )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
*olen = ilen;
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_MODE_STREAM */
|
||||
|
||||
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
|
||||
}
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
|
||||
#if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
|
||||
/*
|
||||
* PKCS7 (and PKCS5) padding: fill with ll bytes, with ll = padding_len
|
||||
*/
|
||||
static void add_pkcs_padding( unsigned char *output, size_t output_len,
|
||||
size_t data_len )
|
||||
{
|
||||
size_t padding_len = output_len - data_len;
|
||||
unsigned char i;
|
||||
|
||||
for( i = 0; i < padding_len; i++ )
|
||||
output[data_len + i] = (unsigned char) padding_len;
|
||||
}
|
||||
|
||||
static int get_pkcs_padding( unsigned char *input, size_t input_len,
|
||||
size_t *data_len )
|
||||
{
|
||||
size_t i, pad_idx;
|
||||
unsigned char padding_len, bad = 0;
|
||||
|
||||
if( NULL == input || NULL == data_len )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
padding_len = input[input_len - 1];
|
||||
*data_len = input_len - padding_len;
|
||||
|
||||
/* Avoid logical || since it results in a branch */
|
||||
bad |= padding_len > input_len;
|
||||
bad |= padding_len == 0;
|
||||
|
||||
/* The number of bytes checked must be independent of padding_len,
|
||||
* so pick input_len, which is usually 8 or 16 (one block) */
|
||||
pad_idx = input_len - padding_len;
|
||||
for( i = 0; i < input_len; i++ )
|
||||
bad |= ( input[i] ^ padding_len ) * ( i >= pad_idx );
|
||||
|
||||
return( MBEDTLS_ERR_CIPHER_INVALID_PADDING * ( bad != 0 ) );
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_PADDING_PKCS7 */
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS)
|
||||
/*
|
||||
* One and zeros padding: fill with 80 00 ... 00
|
||||
*/
|
||||
static void add_one_and_zeros_padding( unsigned char *output,
|
||||
size_t output_len, size_t data_len )
|
||||
{
|
||||
size_t padding_len = output_len - data_len;
|
||||
unsigned char i = 0;
|
||||
|
||||
output[data_len] = 0x80;
|
||||
for( i = 1; i < padding_len; i++ )
|
||||
output[data_len + i] = 0x00;
|
||||
}
|
||||
|
||||
static int get_one_and_zeros_padding( unsigned char *input, size_t input_len,
|
||||
size_t *data_len )
|
||||
{
|
||||
size_t i;
|
||||
unsigned char done = 0, prev_done, bad;
|
||||
|
||||
if( NULL == input || NULL == data_len )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
bad = 0xFF;
|
||||
*data_len = 0;
|
||||
for( i = input_len; i > 0; i-- )
|
||||
{
|
||||
prev_done = done;
|
||||
done |= ( input[i-1] != 0 );
|
||||
*data_len |= ( i - 1 ) * ( done != prev_done );
|
||||
bad &= ( input[i-1] ^ 0x80 ) | ( done == prev_done );
|
||||
}
|
||||
|
||||
return( MBEDTLS_ERR_CIPHER_INVALID_PADDING * ( bad != 0 ) );
|
||||
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS */
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN)
|
||||
/*
|
||||
* Zeros and len padding: fill with 00 ... 00 ll, where ll is padding length
|
||||
*/
|
||||
static void add_zeros_and_len_padding( unsigned char *output,
|
||||
size_t output_len, size_t data_len )
|
||||
{
|
||||
size_t padding_len = output_len - data_len;
|
||||
unsigned char i = 0;
|
||||
|
||||
for( i = 1; i < padding_len; i++ )
|
||||
output[data_len + i - 1] = 0x00;
|
||||
output[output_len - 1] = (unsigned char) padding_len;
|
||||
}
|
||||
|
||||
static int get_zeros_and_len_padding( unsigned char *input, size_t input_len,
|
||||
size_t *data_len )
|
||||
{
|
||||
size_t i, pad_idx;
|
||||
unsigned char padding_len, bad = 0;
|
||||
|
||||
if( NULL == input || NULL == data_len )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
padding_len = input[input_len - 1];
|
||||
*data_len = input_len - padding_len;
|
||||
|
||||
/* Avoid logical || since it results in a branch */
|
||||
bad |= padding_len > input_len;
|
||||
bad |= padding_len == 0;
|
||||
|
||||
/* The number of bytes checked must be independent of padding_len */
|
||||
pad_idx = input_len - padding_len;
|
||||
for( i = 0; i < input_len - 1; i++ )
|
||||
bad |= input[i] * ( i >= pad_idx );
|
||||
|
||||
return( MBEDTLS_ERR_CIPHER_INVALID_PADDING * ( bad != 0 ) );
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN */
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_PADDING_ZEROS)
|
||||
/*
|
||||
* Zero padding: fill with 00 ... 00
|
||||
*/
|
||||
static void add_zeros_padding( unsigned char *output,
|
||||
size_t output_len, size_t data_len )
|
||||
{
|
||||
size_t i;
|
||||
|
||||
for( i = data_len; i < output_len; i++ )
|
||||
output[i] = 0x00;
|
||||
}
|
||||
|
||||
static int get_zeros_padding( unsigned char *input, size_t input_len,
|
||||
size_t *data_len )
|
||||
{
|
||||
size_t i;
|
||||
unsigned char done = 0, prev_done;
|
||||
|
||||
if( NULL == input || NULL == data_len )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
*data_len = 0;
|
||||
for( i = input_len; i > 0; i-- )
|
||||
{
|
||||
prev_done = done;
|
||||
done |= ( input[i-1] != 0 );
|
||||
*data_len |= i * ( done != prev_done );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_PADDING_ZEROS */
|
||||
|
||||
/*
|
||||
* No padding: don't pad :)
|
||||
*
|
||||
* There is no add_padding function (check for NULL in mbedtls_cipher_finish)
|
||||
* but a trivial get_padding function
|
||||
*/
|
||||
static int get_no_padding( unsigned char *input, size_t input_len,
|
||||
size_t *data_len )
|
||||
{
|
||||
if( NULL == input || NULL == data_len )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
*data_len = input_len;
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
|
||||
|
||||
int mbedtls_cipher_finish( mbedtls_cipher_context_t *ctx,
|
||||
unsigned char *output, size_t *olen )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info || NULL == olen )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
*olen = 0;
|
||||
|
||||
if( MBEDTLS_MODE_CFB == ctx->cipher_info->mode ||
|
||||
MBEDTLS_MODE_CTR == ctx->cipher_info->mode ||
|
||||
MBEDTLS_MODE_GCM == ctx->cipher_info->mode ||
|
||||
MBEDTLS_MODE_STREAM == ctx->cipher_info->mode )
|
||||
{
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
if( MBEDTLS_MODE_ECB == ctx->cipher_info->mode )
|
||||
{
|
||||
if( ctx->unprocessed_len != 0 )
|
||||
return( MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CBC)
|
||||
if( MBEDTLS_MODE_CBC == ctx->cipher_info->mode )
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
if( MBEDTLS_ENCRYPT == ctx->operation )
|
||||
{
|
||||
/* check for 'no padding' mode */
|
||||
if( NULL == ctx->add_padding )
|
||||
{
|
||||
if( 0 != ctx->unprocessed_len )
|
||||
return( MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
ctx->add_padding( ctx->unprocessed_data, mbedtls_cipher_get_iv_size( ctx ),
|
||||
ctx->unprocessed_len );
|
||||
}
|
||||
else if( mbedtls_cipher_get_block_size( ctx ) != ctx->unprocessed_len )
|
||||
{
|
||||
/*
|
||||
* For decrypt operations, expect a full block,
|
||||
* or an empty block if no padding
|
||||
*/
|
||||
if( NULL == ctx->add_padding && 0 == ctx->unprocessed_len )
|
||||
return( 0 );
|
||||
|
||||
return( MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED );
|
||||
}
|
||||
|
||||
/* cipher block */
|
||||
if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx,
|
||||
ctx->operation, mbedtls_cipher_get_block_size( ctx ), ctx->iv,
|
||||
ctx->unprocessed_data, output ) ) )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
/* Set output size for decryption */
|
||||
if( MBEDTLS_DECRYPT == ctx->operation )
|
||||
return ctx->get_padding( output, mbedtls_cipher_get_block_size( ctx ),
|
||||
olen );
|
||||
|
||||
/* Set output size for encryption */
|
||||
*olen = mbedtls_cipher_get_block_size( ctx );
|
||||
return( 0 );
|
||||
}
|
||||
#else
|
||||
((void) output);
|
||||
#endif /* MBEDTLS_CIPHER_MODE_CBC */
|
||||
|
||||
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
|
||||
}
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
|
||||
int mbedtls_cipher_set_padding_mode( mbedtls_cipher_context_t *ctx, mbedtls_cipher_padding_t mode )
|
||||
{
|
||||
if( NULL == ctx ||
|
||||
MBEDTLS_MODE_CBC != ctx->cipher_info->mode )
|
||||
{
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
}
|
||||
|
||||
switch( mode )
|
||||
{
|
||||
#if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
|
||||
case MBEDTLS_PADDING_PKCS7:
|
||||
ctx->add_padding = add_pkcs_padding;
|
||||
ctx->get_padding = get_pkcs_padding;
|
||||
break;
|
||||
#endif
|
||||
#if defined(MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS)
|
||||
case MBEDTLS_PADDING_ONE_AND_ZEROS:
|
||||
ctx->add_padding = add_one_and_zeros_padding;
|
||||
ctx->get_padding = get_one_and_zeros_padding;
|
||||
break;
|
||||
#endif
|
||||
#if defined(MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN)
|
||||
case MBEDTLS_PADDING_ZEROS_AND_LEN:
|
||||
ctx->add_padding = add_zeros_and_len_padding;
|
||||
ctx->get_padding = get_zeros_and_len_padding;
|
||||
break;
|
||||
#endif
|
||||
#if defined(MBEDTLS_CIPHER_PADDING_ZEROS)
|
||||
case MBEDTLS_PADDING_ZEROS:
|
||||
ctx->add_padding = add_zeros_padding;
|
||||
ctx->get_padding = get_zeros_padding;
|
||||
break;
|
||||
#endif
|
||||
case MBEDTLS_PADDING_NONE:
|
||||
ctx->add_padding = NULL;
|
||||
ctx->get_padding = get_no_padding;
|
||||
break;
|
||||
|
||||
default:
|
||||
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
|
||||
|
||||
#if defined(MBEDTLS_GCM_C)
|
||||
int mbedtls_cipher_write_tag( mbedtls_cipher_context_t *ctx,
|
||||
unsigned char *tag, size_t tag_len )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info || NULL == tag )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
if( MBEDTLS_ENCRYPT != ctx->operation )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
|
||||
return mbedtls_gcm_finish( (mbedtls_gcm_context *) ctx->cipher_ctx, tag, tag_len );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int mbedtls_cipher_check_tag( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *tag, size_t tag_len )
|
||||
{
|
||||
int ret;
|
||||
|
||||
if( NULL == ctx || NULL == ctx->cipher_info ||
|
||||
MBEDTLS_DECRYPT != ctx->operation )
|
||||
{
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
}
|
||||
|
||||
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
|
||||
{
|
||||
unsigned char check_tag[16];
|
||||
size_t i;
|
||||
int diff;
|
||||
|
||||
if( tag_len > sizeof( check_tag ) )
|
||||
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
|
||||
|
||||
if( 0 != ( ret = mbedtls_gcm_finish( (mbedtls_gcm_context *) ctx->cipher_ctx,
|
||||
check_tag, tag_len ) ) )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
/* Check the tag in "constant-time" */
|
||||
for( diff = 0, i = 0; i < tag_len; i++ )
|
||||
diff |= tag[i] ^ check_tag[i];
|
||||
|
||||
if( diff != 0 )
|
||||
return( MBEDTLS_ERR_CIPHER_AUTH_FAILED );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_GCM_C */
|
||||
|
||||
/*
|
||||
* Packet-oriented wrapper for non-AEAD modes
|
||||
*/
|
||||
int mbedtls_cipher_crypt( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *input, size_t ilen,
|
||||
unsigned char *output, size_t *olen )
|
||||
{
|
||||
int ret;
|
||||
size_t finish_olen;
|
||||
|
||||
if( ( ret = mbedtls_cipher_set_iv( ctx, iv, iv_len ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = mbedtls_cipher_reset( ctx ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = mbedtls_cipher_update( ctx, input, ilen, output, olen ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = mbedtls_cipher_finish( ctx, output + *olen, &finish_olen ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
*olen += finish_olen;
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_AEAD)
|
||||
/*
|
||||
* Packet-oriented encryption for AEAD modes
|
||||
*/
|
||||
int mbedtls_cipher_auth_encrypt( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *ad, size_t ad_len,
|
||||
const unsigned char *input, size_t ilen,
|
||||
unsigned char *output, size_t *olen,
|
||||
unsigned char *tag, size_t tag_len )
|
||||
{
|
||||
#if defined(MBEDTLS_GCM_C)
|
||||
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
|
||||
{
|
||||
*olen = ilen;
|
||||
return( mbedtls_gcm_crypt_and_tag( ctx->cipher_ctx, MBEDTLS_GCM_ENCRYPT, ilen,
|
||||
iv, iv_len, ad, ad_len, input, output,
|
||||
tag_len, tag ) );
|
||||
}
|
||||
#endif /* MBEDTLS_GCM_C */
|
||||
#if defined(MBEDTLS_CCM_C)
|
||||
if( MBEDTLS_MODE_CCM == ctx->cipher_info->mode )
|
||||
{
|
||||
*olen = ilen;
|
||||
return( mbedtls_ccm_encrypt_and_tag( ctx->cipher_ctx, ilen,
|
||||
iv, iv_len, ad, ad_len, input, output,
|
||||
tag, tag_len ) );
|
||||
}
|
||||
#endif /* MBEDTLS_CCM_C */
|
||||
|
||||
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
|
||||
}
|
||||
|
||||
/*
|
||||
* Packet-oriented decryption for AEAD modes
|
||||
*/
|
||||
int mbedtls_cipher_auth_decrypt( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *ad, size_t ad_len,
|
||||
const unsigned char *input, size_t ilen,
|
||||
unsigned char *output, size_t *olen,
|
||||
const unsigned char *tag, size_t tag_len )
|
||||
{
|
||||
#if defined(MBEDTLS_GCM_C)
|
||||
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
|
||||
{
|
||||
int ret;
|
||||
|
||||
*olen = ilen;
|
||||
ret = mbedtls_gcm_auth_decrypt( ctx->cipher_ctx, ilen,
|
||||
iv, iv_len, ad, ad_len,
|
||||
tag, tag_len, input, output );
|
||||
|
||||
if( ret == MBEDTLS_ERR_GCM_AUTH_FAILED )
|
||||
ret = MBEDTLS_ERR_CIPHER_AUTH_FAILED;
|
||||
|
||||
return( ret );
|
||||
}
|
||||
#endif /* MBEDTLS_GCM_C */
|
||||
#if defined(MBEDTLS_CCM_C)
|
||||
if( MBEDTLS_MODE_CCM == ctx->cipher_info->mode )
|
||||
{
|
||||
int ret;
|
||||
|
||||
*olen = ilen;
|
||||
ret = mbedtls_ccm_auth_decrypt( ctx->cipher_ctx, ilen,
|
||||
iv, iv_len, ad, ad_len,
|
||||
input, output, tag, tag_len );
|
||||
|
||||
if( ret == MBEDTLS_ERR_CCM_AUTH_FAILED )
|
||||
ret = MBEDTLS_ERR_CIPHER_AUTH_FAILED;
|
||||
|
||||
return( ret );
|
||||
}
|
||||
#endif /* MBEDTLS_CCM_C */
|
||||
|
||||
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
|
||||
}
|
||||
#endif /* MBEDTLS_CIPHER_MODE_AEAD */
|
||||
|
||||
#endif /* MBEDTLS_CIPHER_C */
|
||||
@@ -1,709 +0,0 @@
|
||||
/**
|
||||
* \file cipher.h
|
||||
*
|
||||
* \brief Generic cipher wrapper.
|
||||
*
|
||||
* \author Adriaan de Jong <dejong@fox-it.com>
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
|
||||
#ifndef MBEDTLS_CIPHER_H
|
||||
#define MBEDTLS_CIPHER_H
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#include <stddef.h>
|
||||
|
||||
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CCM_C)
|
||||
#define MBEDTLS_CIPHER_MODE_AEAD
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CBC)
|
||||
#define MBEDTLS_CIPHER_MODE_WITH_PADDING
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_ARC4_C)
|
||||
#define MBEDTLS_CIPHER_MODE_STREAM
|
||||
#endif
|
||||
|
||||
#if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
|
||||
!defined(inline) && !defined(__cplusplus)
|
||||
#define inline __inline
|
||||
#endif
|
||||
|
||||
#define MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE -0x6080 /**< The selected feature is not available. */
|
||||
#define MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA -0x6100 /**< Bad input parameters to function. */
|
||||
#define MBEDTLS_ERR_CIPHER_ALLOC_FAILED -0x6180 /**< Failed to allocate memory. */
|
||||
#define MBEDTLS_ERR_CIPHER_INVALID_PADDING -0x6200 /**< Input data contains invalid padding and is rejected. */
|
||||
#define MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED -0x6280 /**< Decryption of block requires a full block. */
|
||||
#define MBEDTLS_ERR_CIPHER_AUTH_FAILED -0x6300 /**< Authentication failed (for AEAD modes). */
|
||||
#define MBEDTLS_ERR_CIPHER_INVALID_CONTEXT -0x6380 /**< The context is invalid, eg because it was free()ed. */
|
||||
|
||||
#define MBEDTLS_CIPHER_VARIABLE_IV_LEN 0x01 /**< Cipher accepts IVs of variable length */
|
||||
#define MBEDTLS_CIPHER_VARIABLE_KEY_LEN 0x02 /**< Cipher accepts keys of variable length */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef enum {
|
||||
MBEDTLS_CIPHER_ID_NONE = 0,
|
||||
MBEDTLS_CIPHER_ID_NULL,
|
||||
MBEDTLS_CIPHER_ID_AES,
|
||||
MBEDTLS_CIPHER_ID_DES,
|
||||
MBEDTLS_CIPHER_ID_3DES,
|
||||
MBEDTLS_CIPHER_ID_CAMELLIA,
|
||||
MBEDTLS_CIPHER_ID_BLOWFISH,
|
||||
MBEDTLS_CIPHER_ID_ARC4,
|
||||
} mbedtls_cipher_id_t;
|
||||
|
||||
typedef enum {
|
||||
MBEDTLS_CIPHER_NONE = 0,
|
||||
MBEDTLS_CIPHER_NULL,
|
||||
MBEDTLS_CIPHER_AES_128_ECB,
|
||||
MBEDTLS_CIPHER_AES_192_ECB,
|
||||
MBEDTLS_CIPHER_AES_256_ECB,
|
||||
MBEDTLS_CIPHER_AES_128_CBC,
|
||||
MBEDTLS_CIPHER_AES_192_CBC,
|
||||
MBEDTLS_CIPHER_AES_256_CBC,
|
||||
MBEDTLS_CIPHER_AES_128_CFB128,
|
||||
MBEDTLS_CIPHER_AES_192_CFB128,
|
||||
MBEDTLS_CIPHER_AES_256_CFB128,
|
||||
MBEDTLS_CIPHER_AES_128_CTR,
|
||||
MBEDTLS_CIPHER_AES_192_CTR,
|
||||
MBEDTLS_CIPHER_AES_256_CTR,
|
||||
MBEDTLS_CIPHER_AES_128_GCM,
|
||||
MBEDTLS_CIPHER_AES_192_GCM,
|
||||
MBEDTLS_CIPHER_AES_256_GCM,
|
||||
MBEDTLS_CIPHER_CAMELLIA_128_ECB,
|
||||
MBEDTLS_CIPHER_CAMELLIA_192_ECB,
|
||||
MBEDTLS_CIPHER_CAMELLIA_256_ECB,
|
||||
MBEDTLS_CIPHER_CAMELLIA_128_CBC,
|
||||
MBEDTLS_CIPHER_CAMELLIA_192_CBC,
|
||||
MBEDTLS_CIPHER_CAMELLIA_256_CBC,
|
||||
MBEDTLS_CIPHER_CAMELLIA_128_CFB128,
|
||||
MBEDTLS_CIPHER_CAMELLIA_192_CFB128,
|
||||
MBEDTLS_CIPHER_CAMELLIA_256_CFB128,
|
||||
MBEDTLS_CIPHER_CAMELLIA_128_CTR,
|
||||
MBEDTLS_CIPHER_CAMELLIA_192_CTR,
|
||||
MBEDTLS_CIPHER_CAMELLIA_256_CTR,
|
||||
MBEDTLS_CIPHER_CAMELLIA_128_GCM,
|
||||
MBEDTLS_CIPHER_CAMELLIA_192_GCM,
|
||||
MBEDTLS_CIPHER_CAMELLIA_256_GCM,
|
||||
MBEDTLS_CIPHER_DES_ECB,
|
||||
MBEDTLS_CIPHER_DES_CBC,
|
||||
MBEDTLS_CIPHER_DES_EDE_ECB,
|
||||
MBEDTLS_CIPHER_DES_EDE_CBC,
|
||||
MBEDTLS_CIPHER_DES_EDE3_ECB,
|
||||
MBEDTLS_CIPHER_DES_EDE3_CBC,
|
||||
MBEDTLS_CIPHER_BLOWFISH_ECB,
|
||||
MBEDTLS_CIPHER_BLOWFISH_CBC,
|
||||
MBEDTLS_CIPHER_BLOWFISH_CFB64,
|
||||
MBEDTLS_CIPHER_BLOWFISH_CTR,
|
||||
MBEDTLS_CIPHER_ARC4_128,
|
||||
MBEDTLS_CIPHER_AES_128_CCM,
|
||||
MBEDTLS_CIPHER_AES_192_CCM,
|
||||
MBEDTLS_CIPHER_AES_256_CCM,
|
||||
MBEDTLS_CIPHER_CAMELLIA_128_CCM,
|
||||
MBEDTLS_CIPHER_CAMELLIA_192_CCM,
|
||||
MBEDTLS_CIPHER_CAMELLIA_256_CCM,
|
||||
} mbedtls_cipher_type_t;
|
||||
|
||||
typedef enum {
|
||||
MBEDTLS_MODE_NONE = 0,
|
||||
MBEDTLS_MODE_ECB,
|
||||
MBEDTLS_MODE_CBC,
|
||||
MBEDTLS_MODE_CFB,
|
||||
MBEDTLS_MODE_OFB, /* Unused! */
|
||||
MBEDTLS_MODE_CTR,
|
||||
MBEDTLS_MODE_GCM,
|
||||
MBEDTLS_MODE_STREAM,
|
||||
MBEDTLS_MODE_CCM,
|
||||
} mbedtls_cipher_mode_t;
|
||||
|
||||
typedef enum {
|
||||
MBEDTLS_PADDING_PKCS7 = 0, /**< PKCS7 padding (default) */
|
||||
MBEDTLS_PADDING_ONE_AND_ZEROS, /**< ISO/IEC 7816-4 padding */
|
||||
MBEDTLS_PADDING_ZEROS_AND_LEN, /**< ANSI X.923 padding */
|
||||
MBEDTLS_PADDING_ZEROS, /**< zero padding (not reversible!) */
|
||||
MBEDTLS_PADDING_NONE, /**< never pad (full blocks only) */
|
||||
} mbedtls_cipher_padding_t;
|
||||
|
||||
typedef enum {
|
||||
MBEDTLS_OPERATION_NONE = -1,
|
||||
MBEDTLS_DECRYPT = 0,
|
||||
MBEDTLS_ENCRYPT,
|
||||
} mbedtls_operation_t;
|
||||
|
||||
enum {
|
||||
/** Undefined key length */
|
||||
MBEDTLS_KEY_LENGTH_NONE = 0,
|
||||
/** Key length, in bits (including parity), for DES keys */
|
||||
MBEDTLS_KEY_LENGTH_DES = 64,
|
||||
/** Key length, in bits (including parity), for DES in two key EDE */
|
||||
MBEDTLS_KEY_LENGTH_DES_EDE = 128,
|
||||
/** Key length, in bits (including parity), for DES in three-key EDE */
|
||||
MBEDTLS_KEY_LENGTH_DES_EDE3 = 192,
|
||||
};
|
||||
|
||||
/** Maximum length of any IV, in bytes */
|
||||
#define MBEDTLS_MAX_IV_LENGTH 16
|
||||
/** Maximum block size of any cipher, in bytes */
|
||||
#define MBEDTLS_MAX_BLOCK_LENGTH 16
|
||||
|
||||
/**
|
||||
* Base cipher information (opaque struct).
|
||||
*/
|
||||
typedef struct mbedtls_cipher_base_t mbedtls_cipher_base_t;
|
||||
|
||||
/**
|
||||
* CMAC context (opaque struct).
|
||||
*/
|
||||
typedef struct mbedtls_cmac_context_t mbedtls_cmac_context_t;
|
||||
|
||||
/**
|
||||
* Cipher information. Allows cipher functions to be called in a generic way.
|
||||
*/
|
||||
typedef struct {
|
||||
/** Full cipher identifier (e.g. MBEDTLS_CIPHER_AES_256_CBC) */
|
||||
mbedtls_cipher_type_t type;
|
||||
|
||||
/** Cipher mode (e.g. MBEDTLS_MODE_CBC) */
|
||||
mbedtls_cipher_mode_t mode;
|
||||
|
||||
/** Cipher key length, in bits (default length for variable sized ciphers)
|
||||
* (Includes parity bits for ciphers like DES) */
|
||||
unsigned int key_bitlen;
|
||||
|
||||
/** Name of the cipher */
|
||||
const char * name;
|
||||
|
||||
/** IV/NONCE size, in bytes.
|
||||
* For cipher that accept many sizes: recommended size */
|
||||
unsigned int iv_size;
|
||||
|
||||
/** Flags for variable IV size, variable key size, etc. */
|
||||
int flags;
|
||||
|
||||
/** block size, in bytes */
|
||||
unsigned int block_size;
|
||||
|
||||
/** Base cipher information and functions */
|
||||
const mbedtls_cipher_base_t *base;
|
||||
|
||||
} mbedtls_cipher_info_t;
|
||||
|
||||
/**
|
||||
* Generic cipher context.
|
||||
*/
|
||||
typedef struct {
|
||||
/** Information about the associated cipher */
|
||||
const mbedtls_cipher_info_t *cipher_info;
|
||||
|
||||
/** Key length to use */
|
||||
int key_bitlen;
|
||||
|
||||
/** Operation that the context's key has been initialised for */
|
||||
mbedtls_operation_t operation;
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
|
||||
/** Padding functions to use, if relevant for cipher mode */
|
||||
void (*add_padding)( unsigned char *output, size_t olen, size_t data_len );
|
||||
int (*get_padding)( unsigned char *input, size_t ilen, size_t *data_len );
|
||||
#endif
|
||||
|
||||
/** Buffer for data that hasn't been encrypted yet */
|
||||
unsigned char unprocessed_data[MBEDTLS_MAX_BLOCK_LENGTH];
|
||||
|
||||
/** Number of bytes that still need processing */
|
||||
size_t unprocessed_len;
|
||||
|
||||
/** Current IV or NONCE_COUNTER for CTR-mode */
|
||||
unsigned char iv[MBEDTLS_MAX_IV_LENGTH];
|
||||
|
||||
/** IV size in bytes (for ciphers with variable-length IVs) */
|
||||
size_t iv_size;
|
||||
|
||||
/** Cipher-specific context */
|
||||
void *cipher_ctx;
|
||||
|
||||
#if defined(MBEDTLS_CMAC_C)
|
||||
/** CMAC Specific context */
|
||||
mbedtls_cmac_context_t *cmac_ctx;
|
||||
#endif
|
||||
} mbedtls_cipher_context_t;
|
||||
|
||||
/**
|
||||
* \brief Returns the list of ciphers supported by the generic cipher module.
|
||||
*
|
||||
* \return a statically allocated array of ciphers, the last entry
|
||||
* is 0.
|
||||
*/
|
||||
const int *mbedtls_cipher_list( void );
|
||||
|
||||
/**
|
||||
* \brief Returns the cipher information structure associated
|
||||
* with the given cipher name.
|
||||
*
|
||||
* \param cipher_name Name of the cipher to search for.
|
||||
*
|
||||
* \return the cipher information structure associated with the
|
||||
* given cipher_name, or NULL if not found.
|
||||
*/
|
||||
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_string( const char *cipher_name );
|
||||
|
||||
/**
|
||||
* \brief Returns the cipher information structure associated
|
||||
* with the given cipher type.
|
||||
*
|
||||
* \param cipher_type Type of the cipher to search for.
|
||||
*
|
||||
* \return the cipher information structure associated with the
|
||||
* given cipher_type, or NULL if not found.
|
||||
*/
|
||||
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_type( const mbedtls_cipher_type_t cipher_type );
|
||||
|
||||
/**
|
||||
* \brief Returns the cipher information structure associated
|
||||
* with the given cipher id, key size and mode.
|
||||
*
|
||||
* \param cipher_id Id of the cipher to search for
|
||||
* (e.g. MBEDTLS_CIPHER_ID_AES)
|
||||
* \param key_bitlen Length of the key in bits
|
||||
* \param mode Cipher mode (e.g. MBEDTLS_MODE_CBC)
|
||||
*
|
||||
* \return the cipher information structure associated with the
|
||||
* given cipher_type, or NULL if not found.
|
||||
*/
|
||||
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_values( const mbedtls_cipher_id_t cipher_id,
|
||||
int key_bitlen,
|
||||
const mbedtls_cipher_mode_t mode );
|
||||
|
||||
/**
|
||||
* \brief Initialize a cipher_context (as NONE)
|
||||
*/
|
||||
void mbedtls_cipher_init( mbedtls_cipher_context_t *ctx );
|
||||
|
||||
/**
|
||||
* \brief Free and clear the cipher-specific context of ctx.
|
||||
* Freeing ctx itself remains the responsibility of the
|
||||
* caller.
|
||||
*/
|
||||
void mbedtls_cipher_free( mbedtls_cipher_context_t *ctx );
|
||||
|
||||
/**
|
||||
* \brief Initialises and fills the cipher context structure with
|
||||
* the appropriate values.
|
||||
*
|
||||
* \note Currently also clears structure. In future versions you
|
||||
* will be required to call mbedtls_cipher_init() on the structure
|
||||
* first.
|
||||
*
|
||||
* \param ctx context to initialise. May not be NULL.
|
||||
* \param cipher_info cipher to use.
|
||||
*
|
||||
* \return 0 on success,
|
||||
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA on parameter failure,
|
||||
* MBEDTLS_ERR_CIPHER_ALLOC_FAILED if allocation of the
|
||||
* cipher-specific context failed.
|
||||
*/
|
||||
int mbedtls_cipher_setup( mbedtls_cipher_context_t *ctx, const mbedtls_cipher_info_t *cipher_info );
|
||||
|
||||
/**
|
||||
* \brief Returns the block size of the given cipher.
|
||||
*
|
||||
* \param ctx cipher's context. Must have been initialised.
|
||||
*
|
||||
* \return size of the cipher's blocks, or 0 if ctx has not been
|
||||
* initialised.
|
||||
*/
|
||||
static inline unsigned int mbedtls_cipher_get_block_size( const mbedtls_cipher_context_t *ctx )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info )
|
||||
return 0;
|
||||
|
||||
return ctx->cipher_info->block_size;
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief Returns the mode of operation for the cipher.
|
||||
* (e.g. MBEDTLS_MODE_CBC)
|
||||
*
|
||||
* \param ctx cipher's context. Must have been initialised.
|
||||
*
|
||||
* \return mode of operation, or MBEDTLS_MODE_NONE if ctx
|
||||
* has not been initialised.
|
||||
*/
|
||||
static inline mbedtls_cipher_mode_t mbedtls_cipher_get_cipher_mode( const mbedtls_cipher_context_t *ctx )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info )
|
||||
return MBEDTLS_MODE_NONE;
|
||||
|
||||
return ctx->cipher_info->mode;
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief Returns the size of the cipher's IV/NONCE in bytes.
|
||||
*
|
||||
* \param ctx cipher's context. Must have been initialised.
|
||||
*
|
||||
* \return If IV has not been set yet: (recommended) IV size
|
||||
* (0 for ciphers not using IV/NONCE).
|
||||
* If IV has already been set: actual size.
|
||||
*/
|
||||
static inline int mbedtls_cipher_get_iv_size( const mbedtls_cipher_context_t *ctx )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info )
|
||||
return 0;
|
||||
|
||||
if( ctx->iv_size != 0 )
|
||||
return (int) ctx->iv_size;
|
||||
|
||||
return (int) ctx->cipher_info->iv_size;
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief Returns the type of the given cipher.
|
||||
*
|
||||
* \param ctx cipher's context. Must have been initialised.
|
||||
*
|
||||
* \return type of the cipher, or MBEDTLS_CIPHER_NONE if ctx has
|
||||
* not been initialised.
|
||||
*/
|
||||
static inline mbedtls_cipher_type_t mbedtls_cipher_get_type( const mbedtls_cipher_context_t *ctx )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info )
|
||||
return MBEDTLS_CIPHER_NONE;
|
||||
|
||||
return ctx->cipher_info->type;
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief Returns the name of the given cipher, as a string.
|
||||
*
|
||||
* \param ctx cipher's context. Must have been initialised.
|
||||
*
|
||||
* \return name of the cipher, or NULL if ctx was not initialised.
|
||||
*/
|
||||
static inline const char *mbedtls_cipher_get_name( const mbedtls_cipher_context_t *ctx )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info )
|
||||
return 0;
|
||||
|
||||
return ctx->cipher_info->name;
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief Returns the key length of the cipher.
|
||||
*
|
||||
* \param ctx cipher's context. Must have been initialised.
|
||||
*
|
||||
* \return cipher's key length, in bits, or
|
||||
* MBEDTLS_KEY_LENGTH_NONE if ctx has not been
|
||||
* initialised.
|
||||
*/
|
||||
static inline int mbedtls_cipher_get_key_bitlen( const mbedtls_cipher_context_t *ctx )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info )
|
||||
return MBEDTLS_KEY_LENGTH_NONE;
|
||||
|
||||
return (int) ctx->cipher_info->key_bitlen;
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief Returns the operation of the given cipher.
|
||||
*
|
||||
* \param ctx cipher's context. Must have been initialised.
|
||||
*
|
||||
* \return operation (MBEDTLS_ENCRYPT or MBEDTLS_DECRYPT),
|
||||
* or MBEDTLS_OPERATION_NONE if ctx has not been
|
||||
* initialised.
|
||||
*/
|
||||
static inline mbedtls_operation_t mbedtls_cipher_get_operation( const mbedtls_cipher_context_t *ctx )
|
||||
{
|
||||
if( NULL == ctx || NULL == ctx->cipher_info )
|
||||
return MBEDTLS_OPERATION_NONE;
|
||||
|
||||
return ctx->operation;
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief Set the key to use with the given context.
|
||||
*
|
||||
* \param ctx generic cipher context. May not be NULL. Must have been
|
||||
* initialised using cipher_context_from_type or
|
||||
* cipher_context_from_string.
|
||||
* \param key The key to use.
|
||||
* \param key_bitlen key length to use, in bits.
|
||||
* \param operation Operation that the key will be used for, either
|
||||
* MBEDTLS_ENCRYPT or MBEDTLS_DECRYPT.
|
||||
*
|
||||
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if
|
||||
* parameter verification fails or a cipher specific
|
||||
* error code.
|
||||
*/
|
||||
int mbedtls_cipher_setkey( mbedtls_cipher_context_t *ctx, const unsigned char *key,
|
||||
int key_bitlen, const mbedtls_operation_t operation );
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
|
||||
/**
|
||||
* \brief Set padding mode, for cipher modes that use padding.
|
||||
* (Default: PKCS7 padding.)
|
||||
*
|
||||
* \param ctx generic cipher context
|
||||
* \param mode padding mode
|
||||
*
|
||||
* \returns 0 on success, MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE
|
||||
* if selected padding mode is not supported, or
|
||||
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if the cipher mode
|
||||
* does not support padding.
|
||||
*/
|
||||
int mbedtls_cipher_set_padding_mode( mbedtls_cipher_context_t *ctx, mbedtls_cipher_padding_t mode );
|
||||
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
|
||||
|
||||
/**
|
||||
* \brief Set the initialization vector (IV) or nonce
|
||||
*
|
||||
* \param ctx generic cipher context
|
||||
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
|
||||
* \param iv_len IV length for ciphers with variable-size IV;
|
||||
* discarded by ciphers with fixed-size IV.
|
||||
*
|
||||
* \returns 0 on success, or MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA
|
||||
*
|
||||
* \note Some ciphers don't use IVs nor NONCE. For these
|
||||
* ciphers, this function has no effect.
|
||||
*/
|
||||
int mbedtls_cipher_set_iv( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *iv, size_t iv_len );
|
||||
|
||||
/**
|
||||
* \brief Finish preparation of the given context
|
||||
*
|
||||
* \param ctx generic cipher context
|
||||
*
|
||||
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA
|
||||
* if parameter verification fails.
|
||||
*/
|
||||
int mbedtls_cipher_reset( mbedtls_cipher_context_t *ctx );
|
||||
|
||||
#if defined(MBEDTLS_GCM_C)
|
||||
/**
|
||||
* \brief Add additional data (for AEAD ciphers).
|
||||
* Currently only supported with GCM.
|
||||
* Must be called exactly once, after mbedtls_cipher_reset().
|
||||
*
|
||||
* \param ctx generic cipher context
|
||||
* \param ad Additional data to use.
|
||||
* \param ad_len Length of ad.
|
||||
*
|
||||
* \return 0 on success, or a specific error code.
|
||||
*/
|
||||
int mbedtls_cipher_update_ad( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *ad, size_t ad_len );
|
||||
#endif /* MBEDTLS_GCM_C */
|
||||
|
||||
/**
|
||||
* \brief Generic cipher update function. Encrypts/decrypts
|
||||
* using the given cipher context. Writes as many block
|
||||
* size'd blocks of data as possible to output. Any data
|
||||
* that cannot be written immediately will either be added
|
||||
* to the next block, or flushed when cipher_final is
|
||||
* called.
|
||||
* Exception: for MBEDTLS_MODE_ECB, expects single block
|
||||
* in size (e.g. 16 bytes for AES)
|
||||
*
|
||||
* \param ctx generic cipher context
|
||||
* \param input buffer holding the input data
|
||||
* \param ilen length of the input data
|
||||
* \param output buffer for the output data. Should be able to hold at
|
||||
* least ilen + block_size. Cannot be the same buffer as
|
||||
* input!
|
||||
* \param olen length of the output data, will be filled with the
|
||||
* actual number of bytes written.
|
||||
*
|
||||
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if
|
||||
* parameter verification fails,
|
||||
* MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE on an
|
||||
* unsupported mode for a cipher or a cipher specific
|
||||
* error code.
|
||||
*
|
||||
* \note If the underlying cipher is GCM, all calls to this
|
||||
* function, except the last one before mbedtls_cipher_finish(),
|
||||
* must have ilen a multiple of the block size.
|
||||
*/
|
||||
int mbedtls_cipher_update( mbedtls_cipher_context_t *ctx, const unsigned char *input,
|
||||
size_t ilen, unsigned char *output, size_t *olen );
|
||||
|
||||
/**
|
||||
* \brief Generic cipher finalisation function. If data still
|
||||
* needs to be flushed from an incomplete block, data
|
||||
* contained within it will be padded with the size of
|
||||
* the last block, and written to the output buffer.
|
||||
*
|
||||
* \param ctx Generic cipher context
|
||||
* \param output buffer to write data to. Needs block_size available.
|
||||
* \param olen length of the data written to the output buffer.
|
||||
*
|
||||
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if
|
||||
* parameter verification fails,
|
||||
* MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED if decryption
|
||||
* expected a full block but was not provided one,
|
||||
* MBEDTLS_ERR_CIPHER_INVALID_PADDING on invalid padding
|
||||
* while decrypting or a cipher specific error code.
|
||||
*/
|
||||
int mbedtls_cipher_finish( mbedtls_cipher_context_t *ctx,
|
||||
unsigned char *output, size_t *olen );
|
||||
|
||||
#if defined(MBEDTLS_GCM_C)
|
||||
/**
|
||||
* \brief Write tag for AEAD ciphers.
|
||||
* Currently only supported with GCM.
|
||||
* Must be called after mbedtls_cipher_finish().
|
||||
*
|
||||
* \param ctx Generic cipher context
|
||||
* \param tag buffer to write the tag
|
||||
* \param tag_len Length of the tag to write
|
||||
*
|
||||
* \return 0 on success, or a specific error code.
|
||||
*/
|
||||
int mbedtls_cipher_write_tag( mbedtls_cipher_context_t *ctx,
|
||||
unsigned char *tag, size_t tag_len );
|
||||
|
||||
/**
|
||||
* \brief Check tag for AEAD ciphers.
|
||||
* Currently only supported with GCM.
|
||||
* Must be called after mbedtls_cipher_finish().
|
||||
*
|
||||
* \param ctx Generic cipher context
|
||||
* \param tag Buffer holding the tag
|
||||
* \param tag_len Length of the tag to check
|
||||
*
|
||||
* \return 0 on success, or a specific error code.
|
||||
*/
|
||||
int mbedtls_cipher_check_tag( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *tag, size_t tag_len );
|
||||
#endif /* MBEDTLS_GCM_C */
|
||||
|
||||
/**
|
||||
* \brief Generic all-in-one encryption/decryption
|
||||
* (for all ciphers except AEAD constructs).
|
||||
*
|
||||
* \param ctx generic cipher context
|
||||
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
|
||||
* \param iv_len IV length for ciphers with variable-size IV;
|
||||
* discarded by ciphers with fixed-size IV.
|
||||
* \param input buffer holding the input data
|
||||
* \param ilen length of the input data
|
||||
* \param output buffer for the output data. Should be able to hold at
|
||||
* least ilen + block_size. Cannot be the same buffer as
|
||||
* input!
|
||||
* \param olen length of the output data, will be filled with the
|
||||
* actual number of bytes written.
|
||||
*
|
||||
* \note Some ciphers don't use IVs nor NONCE. For these
|
||||
* ciphers, use iv = NULL and iv_len = 0.
|
||||
*
|
||||
* \returns 0 on success, or
|
||||
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA, or
|
||||
* MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED if decryption
|
||||
* expected a full block but was not provided one, or
|
||||
* MBEDTLS_ERR_CIPHER_INVALID_PADDING on invalid padding
|
||||
* while decrypting, or
|
||||
* a cipher specific error code.
|
||||
*/
|
||||
int mbedtls_cipher_crypt( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *input, size_t ilen,
|
||||
unsigned char *output, size_t *olen );
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_AEAD)
|
||||
/**
|
||||
* \brief Generic autenticated encryption (AEAD ciphers).
|
||||
*
|
||||
* \param ctx generic cipher context
|
||||
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
|
||||
* \param iv_len IV length for ciphers with variable-size IV;
|
||||
* discarded by ciphers with fixed-size IV.
|
||||
* \param ad Additional data to authenticate.
|
||||
* \param ad_len Length of ad.
|
||||
* \param input buffer holding the input data
|
||||
* \param ilen length of the input data
|
||||
* \param output buffer for the output data.
|
||||
* Should be able to hold at least ilen.
|
||||
* \param olen length of the output data, will be filled with the
|
||||
* actual number of bytes written.
|
||||
* \param tag buffer for the authentication tag
|
||||
* \param tag_len desired tag length
|
||||
*
|
||||
* \returns 0 on success, or
|
||||
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA, or
|
||||
* a cipher specific error code.
|
||||
*/
|
||||
int mbedtls_cipher_auth_encrypt( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *ad, size_t ad_len,
|
||||
const unsigned char *input, size_t ilen,
|
||||
unsigned char *output, size_t *olen,
|
||||
unsigned char *tag, size_t tag_len );
|
||||
|
||||
/**
|
||||
* \brief Generic autenticated decryption (AEAD ciphers).
|
||||
*
|
||||
* \param ctx generic cipher context
|
||||
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
|
||||
* \param iv_len IV length for ciphers with variable-size IV;
|
||||
* discarded by ciphers with fixed-size IV.
|
||||
* \param ad Additional data to be authenticated.
|
||||
* \param ad_len Length of ad.
|
||||
* \param input buffer holding the input data
|
||||
* \param ilen length of the input data
|
||||
* \param output buffer for the output data.
|
||||
* Should be able to hold at least ilen.
|
||||
* \param olen length of the output data, will be filled with the
|
||||
* actual number of bytes written.
|
||||
* \param tag buffer holding the authentication tag
|
||||
* \param tag_len length of the authentication tag
|
||||
*
|
||||
* \returns 0 on success, or
|
||||
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA, or
|
||||
* MBEDTLS_ERR_CIPHER_AUTH_FAILED if data isn't authentic,
|
||||
* or a cipher specific error code.
|
||||
*
|
||||
* \note If the data is not authentic, then the output buffer
|
||||
* is zeroed out to prevent the unauthentic plaintext to
|
||||
* be used by mistake, making this interface safer.
|
||||
*/
|
||||
int mbedtls_cipher_auth_decrypt( mbedtls_cipher_context_t *ctx,
|
||||
const unsigned char *iv, size_t iv_len,
|
||||
const unsigned char *ad, size_t ad_len,
|
||||
const unsigned char *input, size_t ilen,
|
||||
unsigned char *output, size_t *olen,
|
||||
const unsigned char *tag, size_t tag_len );
|
||||
#endif /* MBEDTLS_CIPHER_MODE_AEAD */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* MBEDTLS_CIPHER_H */
|
||||
@@ -1,109 +0,0 @@
|
||||
/**
|
||||
* \file cipher_internal.h
|
||||
*
|
||||
* \brief Cipher wrappers.
|
||||
*
|
||||
* \author Adriaan de Jong <dejong@fox-it.com>
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
#ifndef MBEDTLS_CIPHER_WRAP_H
|
||||
#define MBEDTLS_CIPHER_WRAP_H
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#include "cipher.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Base cipher information. The non-mode specific functions and values.
|
||||
*/
|
||||
struct mbedtls_cipher_base_t
|
||||
{
|
||||
/** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */
|
||||
mbedtls_cipher_id_t cipher;
|
||||
|
||||
/** Encrypt using ECB */
|
||||
int (*ecb_func)( void *ctx, mbedtls_operation_t mode,
|
||||
const unsigned char *input, unsigned char *output );
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CBC)
|
||||
/** Encrypt using CBC */
|
||||
int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length,
|
||||
unsigned char *iv, const unsigned char *input,
|
||||
unsigned char *output );
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CFB)
|
||||
/** Encrypt using CFB (Full length) */
|
||||
int (*cfb_func)( void *ctx, mbedtls_operation_t mode, size_t length, size_t *iv_off,
|
||||
unsigned char *iv, const unsigned char *input,
|
||||
unsigned char *output );
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_CTR)
|
||||
/** Encrypt using CTR */
|
||||
int (*ctr_func)( void *ctx, size_t length, size_t *nc_off,
|
||||
unsigned char *nonce_counter, unsigned char *stream_block,
|
||||
const unsigned char *input, unsigned char *output );
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
|
||||
/** Encrypt using STREAM */
|
||||
int (*stream_func)( void *ctx, size_t length,
|
||||
const unsigned char *input, unsigned char *output );
|
||||
#endif
|
||||
|
||||
/** Set key for encryption purposes */
|
||||
int (*setkey_enc_func)( void *ctx, const unsigned char *key,
|
||||
unsigned int key_bitlen );
|
||||
|
||||
/** Set key for decryption purposes */
|
||||
int (*setkey_dec_func)( void *ctx, const unsigned char *key,
|
||||
unsigned int key_bitlen);
|
||||
|
||||
/** Allocate a new context */
|
||||
void * (*ctx_alloc_func)( void );
|
||||
|
||||
/** Free the given context */
|
||||
void (*ctx_free_func)( void *ctx );
|
||||
|
||||
};
|
||||
|
||||
typedef struct
|
||||
{
|
||||
mbedtls_cipher_type_t type;
|
||||
const mbedtls_cipher_info_t *info;
|
||||
} mbedtls_cipher_definition_t;
|
||||
|
||||
extern const mbedtls_cipher_definition_t mbedtls_cipher_definitions[];
|
||||
|
||||
extern int mbedtls_cipher_supported[];
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* MBEDTLS_CIPHER_WRAP_H */
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -1,952 +0,0 @@
|
||||
/*
|
||||
* NIST SP800-38D compliant GCM implementation
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
|
||||
/*
|
||||
* http://csrc.nist.gov/publications/nistpubs/800-38D/SP-800-38D.pdf
|
||||
*
|
||||
* See also:
|
||||
* [MGV] http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/gcm/gcm-revised-spec.pdf
|
||||
*
|
||||
* We use the algorithm described as Shoup's method with 4-bit tables in
|
||||
* [MGV] 4.1, pp. 12-13, to enhance speed without using too much memory.
|
||||
*/
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "mbedtls/config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_GCM_C)
|
||||
|
||||
#include "mbedtls/gcm.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#if defined(MBEDTLS_AESNI_C)
|
||||
#include "mbedtls/aesni.h"
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
|
||||
#if defined(MBEDTLS_PLATFORM_C)
|
||||
#include "mbedtls/platform.h"
|
||||
#else
|
||||
#include <stdio.h>
|
||||
#define mbedtls_printf printf
|
||||
#endif /* MBEDTLS_PLATFORM_C */
|
||||
#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
|
||||
|
||||
/*
|
||||
* 32-bit integer manipulation macros (big endian)
|
||||
*/
|
||||
#ifndef GET_UINT32_BE
|
||||
#define GET_UINT32_BE(n,b,i) \
|
||||
{ \
|
||||
(n) = ( (uint32_t) (b)[(i) ] << 24 ) \
|
||||
| ( (uint32_t) (b)[(i) + 1] << 16 ) \
|
||||
| ( (uint32_t) (b)[(i) + 2] << 8 ) \
|
||||
| ( (uint32_t) (b)[(i) + 3] ); \
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef PUT_UINT32_BE
|
||||
#define PUT_UINT32_BE(n,b,i) \
|
||||
{ \
|
||||
(b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
|
||||
(b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
|
||||
(b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
|
||||
(b)[(i) + 3] = (unsigned char) ( (n) ); \
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Implementation that should never be optimized out by the compiler */
|
||||
static void mbedtls_zeroize( void *v, size_t n ) {
|
||||
volatile unsigned char *p = v; while( n-- ) *p++ = 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize a context
|
||||
*/
|
||||
void mbedtls_gcm_init( mbedtls_gcm_context *ctx )
|
||||
{
|
||||
memset( ctx, 0, sizeof( mbedtls_gcm_context ) );
|
||||
}
|
||||
|
||||
/*
|
||||
* Precompute small multiples of H, that is set
|
||||
* HH[i] || HL[i] = H times i,
|
||||
* where i is seen as a field element as in [MGV], ie high-order bits
|
||||
* correspond to low powers of P. The result is stored in the same way, that
|
||||
* is the high-order bit of HH corresponds to P^0 and the low-order bit of HL
|
||||
* corresponds to P^127.
|
||||
*/
|
||||
static int gcm_gen_table( mbedtls_gcm_context *ctx )
|
||||
{
|
||||
int ret, i, j;
|
||||
uint64_t hi, lo;
|
||||
uint64_t vl, vh;
|
||||
unsigned char h[16];
|
||||
size_t olen = 0;
|
||||
|
||||
memset( h, 0, 16 );
|
||||
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, h, 16, h, &olen ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
/* pack h as two 64-bits ints, big-endian */
|
||||
GET_UINT32_BE( hi, h, 0 );
|
||||
GET_UINT32_BE( lo, h, 4 );
|
||||
vh = (uint64_t) hi << 32 | lo;
|
||||
|
||||
GET_UINT32_BE( hi, h, 8 );
|
||||
GET_UINT32_BE( lo, h, 12 );
|
||||
vl = (uint64_t) hi << 32 | lo;
|
||||
|
||||
/* 8 = 1000 corresponds to 1 in GF(2^128) */
|
||||
ctx->HL[8] = vl;
|
||||
ctx->HH[8] = vh;
|
||||
|
||||
#if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
|
||||
/* With CLMUL support, we need only h, not the rest of the table */
|
||||
if( mbedtls_aesni_has_support( MBEDTLS_AESNI_CLMUL ) )
|
||||
return( 0 );
|
||||
#endif
|
||||
|
||||
/* 0 corresponds to 0 in GF(2^128) */
|
||||
ctx->HH[0] = 0;
|
||||
ctx->HL[0] = 0;
|
||||
|
||||
for( i = 4; i > 0; i >>= 1 )
|
||||
{
|
||||
uint32_t T = ( vl & 1 ) * 0xe1000000U;
|
||||
vl = ( vh << 63 ) | ( vl >> 1 );
|
||||
vh = ( vh >> 1 ) ^ ( (uint64_t) T << 32);
|
||||
|
||||
ctx->HL[i] = vl;
|
||||
ctx->HH[i] = vh;
|
||||
}
|
||||
|
||||
for( i = 2; i <= 8; i *= 2 )
|
||||
{
|
||||
uint64_t *HiL = ctx->HL + i, *HiH = ctx->HH + i;
|
||||
vh = *HiH;
|
||||
vl = *HiL;
|
||||
for( j = 1; j < i; j++ )
|
||||
{
|
||||
HiH[j] = vh ^ ctx->HH[j];
|
||||
HiL[j] = vl ^ ctx->HL[j];
|
||||
}
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int mbedtls_gcm_setkey( mbedtls_gcm_context *ctx,
|
||||
mbedtls_cipher_id_t cipher,
|
||||
const unsigned char *key,
|
||||
unsigned int keybits )
|
||||
{
|
||||
int ret;
|
||||
const mbedtls_cipher_info_t *cipher_info;
|
||||
|
||||
cipher_info = mbedtls_cipher_info_from_values( cipher, keybits, MBEDTLS_MODE_ECB );
|
||||
if( cipher_info == NULL )
|
||||
return( MBEDTLS_ERR_GCM_BAD_INPUT );
|
||||
|
||||
if( cipher_info->block_size != 16 )
|
||||
return( MBEDTLS_ERR_GCM_BAD_INPUT );
|
||||
|
||||
mbedtls_cipher_free( &ctx->cipher_ctx );
|
||||
|
||||
if( ( ret = mbedtls_cipher_setup( &ctx->cipher_ctx, cipher_info ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = mbedtls_cipher_setkey( &ctx->cipher_ctx, key, keybits,
|
||||
MBEDTLS_ENCRYPT ) ) != 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
if( ( ret = gcm_gen_table( ctx ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* Shoup's method for multiplication use this table with
|
||||
* last4[x] = x times P^128
|
||||
* where x and last4[x] are seen as elements of GF(2^128) as in [MGV]
|
||||
*/
|
||||
static const uint64_t last4[16] =
|
||||
{
|
||||
0x0000, 0x1c20, 0x3840, 0x2460,
|
||||
0x7080, 0x6ca0, 0x48c0, 0x54e0,
|
||||
0xe100, 0xfd20, 0xd940, 0xc560,
|
||||
0x9180, 0x8da0, 0xa9c0, 0xb5e0
|
||||
};
|
||||
|
||||
/*
|
||||
* Sets output to x times H using the precomputed tables.
|
||||
* x and output are seen as elements of GF(2^128) as in [MGV].
|
||||
*/
|
||||
static void gcm_mult( mbedtls_gcm_context *ctx, const unsigned char x[16],
|
||||
unsigned char output[16] )
|
||||
{
|
||||
int i = 0;
|
||||
unsigned char lo, hi, rem;
|
||||
uint64_t zh, zl;
|
||||
|
||||
#if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
|
||||
if( mbedtls_aesni_has_support( MBEDTLS_AESNI_CLMUL ) ) {
|
||||
unsigned char h[16];
|
||||
|
||||
PUT_UINT32_BE( ctx->HH[8] >> 32, h, 0 );
|
||||
PUT_UINT32_BE( ctx->HH[8], h, 4 );
|
||||
PUT_UINT32_BE( ctx->HL[8] >> 32, h, 8 );
|
||||
PUT_UINT32_BE( ctx->HL[8], h, 12 );
|
||||
|
||||
mbedtls_aesni_gcm_mult( output, x, h );
|
||||
return;
|
||||
}
|
||||
#endif /* MBEDTLS_AESNI_C && MBEDTLS_HAVE_X86_64 */
|
||||
|
||||
lo = x[15] & 0xf;
|
||||
|
||||
zh = ctx->HH[lo];
|
||||
zl = ctx->HL[lo];
|
||||
|
||||
for( i = 15; i >= 0; i-- )
|
||||
{
|
||||
lo = x[i] & 0xf;
|
||||
hi = x[i] >> 4;
|
||||
|
||||
if( i != 15 )
|
||||
{
|
||||
rem = (unsigned char) zl & 0xf;
|
||||
zl = ( zh << 60 ) | ( zl >> 4 );
|
||||
zh = ( zh >> 4 );
|
||||
zh ^= (uint64_t) last4[rem] << 48;
|
||||
zh ^= ctx->HH[lo];
|
||||
zl ^= ctx->HL[lo];
|
||||
|
||||
}
|
||||
|
||||
rem = (unsigned char) zl & 0xf;
|
||||
zl = ( zh << 60 ) | ( zl >> 4 );
|
||||
zh = ( zh >> 4 );
|
||||
zh ^= (uint64_t) last4[rem] << 48;
|
||||
zh ^= ctx->HH[hi];
|
||||
zl ^= ctx->HL[hi];
|
||||
}
|
||||
|
||||
PUT_UINT32_BE( zh >> 32, output, 0 );
|
||||
PUT_UINT32_BE( zh, output, 4 );
|
||||
PUT_UINT32_BE( zl >> 32, output, 8 );
|
||||
PUT_UINT32_BE( zl, output, 12 );
|
||||
}
|
||||
|
||||
int mbedtls_gcm_starts( mbedtls_gcm_context *ctx,
|
||||
int mode,
|
||||
const unsigned char *iv,
|
||||
size_t iv_len,
|
||||
const unsigned char *add,
|
||||
size_t add_len )
|
||||
{
|
||||
int ret;
|
||||
unsigned char work_buf[16];
|
||||
size_t i;
|
||||
const unsigned char *p;
|
||||
size_t use_len, olen = 0;
|
||||
|
||||
/* IV and AD are limited to 2^64 bits, so 2^61 bytes */
|
||||
if( ( (uint64_t) iv_len ) >> 61 != 0 ||
|
||||
( (uint64_t) add_len ) >> 61 != 0 )
|
||||
{
|
||||
return( MBEDTLS_ERR_GCM_BAD_INPUT );
|
||||
}
|
||||
|
||||
memset( ctx->y, 0x00, sizeof(ctx->y) );
|
||||
memset( ctx->buf, 0x00, sizeof(ctx->buf) );
|
||||
|
||||
ctx->mode = mode;
|
||||
ctx->len = 0;
|
||||
ctx->add_len = 0;
|
||||
|
||||
if( iv_len == 12 )
|
||||
{
|
||||
memcpy( ctx->y, iv, iv_len );
|
||||
ctx->y[15] = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
memset( work_buf, 0x00, 16 );
|
||||
PUT_UINT32_BE( iv_len * 8, work_buf, 12 );
|
||||
|
||||
p = iv;
|
||||
while( iv_len > 0 )
|
||||
{
|
||||
use_len = ( iv_len < 16 ) ? iv_len : 16;
|
||||
|
||||
for( i = 0; i < use_len; i++ )
|
||||
ctx->y[i] ^= p[i];
|
||||
|
||||
gcm_mult( ctx, ctx->y, ctx->y );
|
||||
|
||||
iv_len -= use_len;
|
||||
p += use_len;
|
||||
}
|
||||
|
||||
for( i = 0; i < 16; i++ )
|
||||
ctx->y[i] ^= work_buf[i];
|
||||
|
||||
gcm_mult( ctx, ctx->y, ctx->y );
|
||||
}
|
||||
|
||||
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, ctx->y, 16, ctx->base_ectr,
|
||||
&olen ) ) != 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
ctx->add_len = add_len;
|
||||
p = add;
|
||||
while( add_len > 0 )
|
||||
{
|
||||
use_len = ( add_len < 16 ) ? add_len : 16;
|
||||
|
||||
for( i = 0; i < use_len; i++ )
|
||||
ctx->buf[i] ^= p[i];
|
||||
|
||||
gcm_mult( ctx, ctx->buf, ctx->buf );
|
||||
|
||||
add_len -= use_len;
|
||||
p += use_len;
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int mbedtls_gcm_update( mbedtls_gcm_context *ctx,
|
||||
size_t length,
|
||||
const unsigned char *input,
|
||||
unsigned char *output )
|
||||
{
|
||||
int ret;
|
||||
unsigned char ectr[16];
|
||||
size_t i;
|
||||
const unsigned char *p;
|
||||
unsigned char *out_p = output;
|
||||
size_t use_len, olen = 0;
|
||||
|
||||
if( output > input && (size_t) ( output - input ) < length )
|
||||
return( MBEDTLS_ERR_GCM_BAD_INPUT );
|
||||
|
||||
/* Total length is restricted to 2^39 - 256 bits, ie 2^36 - 2^5 bytes
|
||||
* Also check for possible overflow */
|
||||
if( ctx->len + length < ctx->len ||
|
||||
(uint64_t) ctx->len + length > 0xFFFFFFFE0ull )
|
||||
{
|
||||
return( MBEDTLS_ERR_GCM_BAD_INPUT );
|
||||
}
|
||||
|
||||
ctx->len += length;
|
||||
|
||||
p = input;
|
||||
while( length > 0 )
|
||||
{
|
||||
use_len = ( length < 16 ) ? length : 16;
|
||||
|
||||
for( i = 16; i > 12; i-- )
|
||||
if( ++ctx->y[i - 1] != 0 )
|
||||
break;
|
||||
|
||||
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, ctx->y, 16, ectr,
|
||||
&olen ) ) != 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
for( i = 0; i < use_len; i++ )
|
||||
{
|
||||
if( ctx->mode == MBEDTLS_GCM_DECRYPT )
|
||||
ctx->buf[i] ^= p[i];
|
||||
out_p[i] = ectr[i] ^ p[i];
|
||||
if( ctx->mode == MBEDTLS_GCM_ENCRYPT )
|
||||
ctx->buf[i] ^= out_p[i];
|
||||
}
|
||||
|
||||
gcm_mult( ctx, ctx->buf, ctx->buf );
|
||||
|
||||
length -= use_len;
|
||||
p += use_len;
|
||||
out_p += use_len;
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int mbedtls_gcm_finish( mbedtls_gcm_context *ctx,
|
||||
unsigned char *tag,
|
||||
size_t tag_len )
|
||||
{
|
||||
unsigned char work_buf[16];
|
||||
size_t i;
|
||||
uint64_t orig_len = ctx->len * 8;
|
||||
uint64_t orig_add_len = ctx->add_len * 8;
|
||||
|
||||
if( tag_len > 16 || tag_len < 4 )
|
||||
return( MBEDTLS_ERR_GCM_BAD_INPUT );
|
||||
|
||||
memcpy( tag, ctx->base_ectr, tag_len );
|
||||
|
||||
if( orig_len || orig_add_len )
|
||||
{
|
||||
memset( work_buf, 0x00, 16 );
|
||||
|
||||
PUT_UINT32_BE( ( orig_add_len >> 32 ), work_buf, 0 );
|
||||
PUT_UINT32_BE( ( orig_add_len ), work_buf, 4 );
|
||||
PUT_UINT32_BE( ( orig_len >> 32 ), work_buf, 8 );
|
||||
PUT_UINT32_BE( ( orig_len ), work_buf, 12 );
|
||||
|
||||
for( i = 0; i < 16; i++ )
|
||||
ctx->buf[i] ^= work_buf[i];
|
||||
|
||||
gcm_mult( ctx, ctx->buf, ctx->buf );
|
||||
|
||||
for( i = 0; i < tag_len; i++ )
|
||||
tag[i] ^= ctx->buf[i];
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int mbedtls_gcm_crypt_and_tag( mbedtls_gcm_context *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
const unsigned char *iv,
|
||||
size_t iv_len,
|
||||
const unsigned char *add,
|
||||
size_t add_len,
|
||||
const unsigned char *input,
|
||||
unsigned char *output,
|
||||
size_t tag_len,
|
||||
unsigned char *tag )
|
||||
{
|
||||
int ret;
|
||||
|
||||
if( ( ret = mbedtls_gcm_starts( ctx, mode, iv, iv_len, add, add_len ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = mbedtls_gcm_update( ctx, length, input, output ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = mbedtls_gcm_finish( ctx, tag, tag_len ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int mbedtls_gcm_auth_decrypt( mbedtls_gcm_context *ctx,
|
||||
size_t length,
|
||||
const unsigned char *iv,
|
||||
size_t iv_len,
|
||||
const unsigned char *add,
|
||||
size_t add_len,
|
||||
const unsigned char *tag,
|
||||
size_t tag_len,
|
||||
const unsigned char *input,
|
||||
unsigned char *output )
|
||||
{
|
||||
int ret;
|
||||
unsigned char check_tag[16];
|
||||
size_t i;
|
||||
int diff;
|
||||
|
||||
if( ( ret = mbedtls_gcm_crypt_and_tag( ctx, MBEDTLS_GCM_DECRYPT, length,
|
||||
iv, iv_len, add, add_len,
|
||||
input, output, tag_len, check_tag ) ) != 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
/* Check tag in "constant-time" */
|
||||
for( diff = 0, i = 0; i < tag_len; i++ )
|
||||
diff |= tag[i] ^ check_tag[i];
|
||||
|
||||
if( diff != 0 )
|
||||
{
|
||||
mbedtls_zeroize( output, length );
|
||||
return( MBEDTLS_ERR_GCM_AUTH_FAILED );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
void mbedtls_gcm_free( mbedtls_gcm_context *ctx )
|
||||
{
|
||||
mbedtls_cipher_free( &ctx->cipher_ctx );
|
||||
mbedtls_zeroize( ctx, sizeof( mbedtls_gcm_context ) );
|
||||
}
|
||||
|
||||
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
|
||||
/*
|
||||
* AES-GCM test vectors from:
|
||||
*
|
||||
* http://csrc.nist.gov/groups/STM/cavp/documents/mac/gcmtestvectors.zip
|
||||
*/
|
||||
#define MAX_TESTS 6
|
||||
|
||||
static const int key_index[MAX_TESTS] =
|
||||
{ 0, 0, 1, 1, 1, 1 };
|
||||
|
||||
static const unsigned char key[MAX_TESTS][32] =
|
||||
{
|
||||
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
|
||||
{ 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
|
||||
0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08,
|
||||
0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
|
||||
0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08 },
|
||||
};
|
||||
|
||||
static const size_t iv_len[MAX_TESTS] =
|
||||
{ 12, 12, 12, 12, 8, 60 };
|
||||
|
||||
static const int iv_index[MAX_TESTS] =
|
||||
{ 0, 0, 1, 1, 1, 2 };
|
||||
|
||||
static const unsigned char iv[MAX_TESTS][64] =
|
||||
{
|
||||
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00 },
|
||||
{ 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad,
|
||||
0xde, 0xca, 0xf8, 0x88 },
|
||||
{ 0x93, 0x13, 0x22, 0x5d, 0xf8, 0x84, 0x06, 0xe5,
|
||||
0x55, 0x90, 0x9c, 0x5a, 0xff, 0x52, 0x69, 0xaa,
|
||||
0x6a, 0x7a, 0x95, 0x38, 0x53, 0x4f, 0x7d, 0xa1,
|
||||
0xe4, 0xc3, 0x03, 0xd2, 0xa3, 0x18, 0xa7, 0x28,
|
||||
0xc3, 0xc0, 0xc9, 0x51, 0x56, 0x80, 0x95, 0x39,
|
||||
0xfc, 0xf0, 0xe2, 0x42, 0x9a, 0x6b, 0x52, 0x54,
|
||||
0x16, 0xae, 0xdb, 0xf5, 0xa0, 0xde, 0x6a, 0x57,
|
||||
0xa6, 0x37, 0xb3, 0x9b },
|
||||
};
|
||||
|
||||
static const size_t add_len[MAX_TESTS] =
|
||||
{ 0, 0, 0, 20, 20, 20 };
|
||||
|
||||
static const int add_index[MAX_TESTS] =
|
||||
{ 0, 0, 0, 1, 1, 1 };
|
||||
|
||||
static const unsigned char additional[MAX_TESTS][64] =
|
||||
{
|
||||
{ 0x00 },
|
||||
{ 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
|
||||
0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
|
||||
0xab, 0xad, 0xda, 0xd2 },
|
||||
};
|
||||
|
||||
static const size_t pt_len[MAX_TESTS] =
|
||||
{ 0, 16, 64, 60, 60, 60 };
|
||||
|
||||
static const int pt_index[MAX_TESTS] =
|
||||
{ 0, 0, 1, 1, 1, 1 };
|
||||
|
||||
static const unsigned char pt[MAX_TESTS][64] =
|
||||
{
|
||||
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
|
||||
{ 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
|
||||
0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
|
||||
0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
|
||||
0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
|
||||
0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
|
||||
0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
|
||||
0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
|
||||
0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55 },
|
||||
};
|
||||
|
||||
static const unsigned char ct[MAX_TESTS * 3][64] =
|
||||
{
|
||||
{ 0x00 },
|
||||
{ 0x03, 0x88, 0xda, 0xce, 0x60, 0xb6, 0xa3, 0x92,
|
||||
0xf3, 0x28, 0xc2, 0xb9, 0x71, 0xb2, 0xfe, 0x78 },
|
||||
{ 0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24,
|
||||
0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c,
|
||||
0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0,
|
||||
0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e,
|
||||
0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c,
|
||||
0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05,
|
||||
0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97,
|
||||
0x3d, 0x58, 0xe0, 0x91, 0x47, 0x3f, 0x59, 0x85 },
|
||||
{ 0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24,
|
||||
0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c,
|
||||
0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0,
|
||||
0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e,
|
||||
0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c,
|
||||
0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05,
|
||||
0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97,
|
||||
0x3d, 0x58, 0xe0, 0x91 },
|
||||
{ 0x61, 0x35, 0x3b, 0x4c, 0x28, 0x06, 0x93, 0x4a,
|
||||
0x77, 0x7f, 0xf5, 0x1f, 0xa2, 0x2a, 0x47, 0x55,
|
||||
0x69, 0x9b, 0x2a, 0x71, 0x4f, 0xcd, 0xc6, 0xf8,
|
||||
0x37, 0x66, 0xe5, 0xf9, 0x7b, 0x6c, 0x74, 0x23,
|
||||
0x73, 0x80, 0x69, 0x00, 0xe4, 0x9f, 0x24, 0xb2,
|
||||
0x2b, 0x09, 0x75, 0x44, 0xd4, 0x89, 0x6b, 0x42,
|
||||
0x49, 0x89, 0xb5, 0xe1, 0xeb, 0xac, 0x0f, 0x07,
|
||||
0xc2, 0x3f, 0x45, 0x98 },
|
||||
{ 0x8c, 0xe2, 0x49, 0x98, 0x62, 0x56, 0x15, 0xb6,
|
||||
0x03, 0xa0, 0x33, 0xac, 0xa1, 0x3f, 0xb8, 0x94,
|
||||
0xbe, 0x91, 0x12, 0xa5, 0xc3, 0xa2, 0x11, 0xa8,
|
||||
0xba, 0x26, 0x2a, 0x3c, 0xca, 0x7e, 0x2c, 0xa7,
|
||||
0x01, 0xe4, 0xa9, 0xa4, 0xfb, 0xa4, 0x3c, 0x90,
|
||||
0xcc, 0xdc, 0xb2, 0x81, 0xd4, 0x8c, 0x7c, 0x6f,
|
||||
0xd6, 0x28, 0x75, 0xd2, 0xac, 0xa4, 0x17, 0x03,
|
||||
0x4c, 0x34, 0xae, 0xe5 },
|
||||
{ 0x00 },
|
||||
{ 0x98, 0xe7, 0x24, 0x7c, 0x07, 0xf0, 0xfe, 0x41,
|
||||
0x1c, 0x26, 0x7e, 0x43, 0x84, 0xb0, 0xf6, 0x00 },
|
||||
{ 0x39, 0x80, 0xca, 0x0b, 0x3c, 0x00, 0xe8, 0x41,
|
||||
0xeb, 0x06, 0xfa, 0xc4, 0x87, 0x2a, 0x27, 0x57,
|
||||
0x85, 0x9e, 0x1c, 0xea, 0xa6, 0xef, 0xd9, 0x84,
|
||||
0x62, 0x85, 0x93, 0xb4, 0x0c, 0xa1, 0xe1, 0x9c,
|
||||
0x7d, 0x77, 0x3d, 0x00, 0xc1, 0x44, 0xc5, 0x25,
|
||||
0xac, 0x61, 0x9d, 0x18, 0xc8, 0x4a, 0x3f, 0x47,
|
||||
0x18, 0xe2, 0x44, 0x8b, 0x2f, 0xe3, 0x24, 0xd9,
|
||||
0xcc, 0xda, 0x27, 0x10, 0xac, 0xad, 0xe2, 0x56 },
|
||||
{ 0x39, 0x80, 0xca, 0x0b, 0x3c, 0x00, 0xe8, 0x41,
|
||||
0xeb, 0x06, 0xfa, 0xc4, 0x87, 0x2a, 0x27, 0x57,
|
||||
0x85, 0x9e, 0x1c, 0xea, 0xa6, 0xef, 0xd9, 0x84,
|
||||
0x62, 0x85, 0x93, 0xb4, 0x0c, 0xa1, 0xe1, 0x9c,
|
||||
0x7d, 0x77, 0x3d, 0x00, 0xc1, 0x44, 0xc5, 0x25,
|
||||
0xac, 0x61, 0x9d, 0x18, 0xc8, 0x4a, 0x3f, 0x47,
|
||||
0x18, 0xe2, 0x44, 0x8b, 0x2f, 0xe3, 0x24, 0xd9,
|
||||
0xcc, 0xda, 0x27, 0x10 },
|
||||
{ 0x0f, 0x10, 0xf5, 0x99, 0xae, 0x14, 0xa1, 0x54,
|
||||
0xed, 0x24, 0xb3, 0x6e, 0x25, 0x32, 0x4d, 0xb8,
|
||||
0xc5, 0x66, 0x63, 0x2e, 0xf2, 0xbb, 0xb3, 0x4f,
|
||||
0x83, 0x47, 0x28, 0x0f, 0xc4, 0x50, 0x70, 0x57,
|
||||
0xfd, 0xdc, 0x29, 0xdf, 0x9a, 0x47, 0x1f, 0x75,
|
||||
0xc6, 0x65, 0x41, 0xd4, 0xd4, 0xda, 0xd1, 0xc9,
|
||||
0xe9, 0x3a, 0x19, 0xa5, 0x8e, 0x8b, 0x47, 0x3f,
|
||||
0xa0, 0xf0, 0x62, 0xf7 },
|
||||
{ 0xd2, 0x7e, 0x88, 0x68, 0x1c, 0xe3, 0x24, 0x3c,
|
||||
0x48, 0x30, 0x16, 0x5a, 0x8f, 0xdc, 0xf9, 0xff,
|
||||
0x1d, 0xe9, 0xa1, 0xd8, 0xe6, 0xb4, 0x47, 0xef,
|
||||
0x6e, 0xf7, 0xb7, 0x98, 0x28, 0x66, 0x6e, 0x45,
|
||||
0x81, 0xe7, 0x90, 0x12, 0xaf, 0x34, 0xdd, 0xd9,
|
||||
0xe2, 0xf0, 0x37, 0x58, 0x9b, 0x29, 0x2d, 0xb3,
|
||||
0xe6, 0x7c, 0x03, 0x67, 0x45, 0xfa, 0x22, 0xe7,
|
||||
0xe9, 0xb7, 0x37, 0x3b },
|
||||
{ 0x00 },
|
||||
{ 0xce, 0xa7, 0x40, 0x3d, 0x4d, 0x60, 0x6b, 0x6e,
|
||||
0x07, 0x4e, 0xc5, 0xd3, 0xba, 0xf3, 0x9d, 0x18 },
|
||||
{ 0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07,
|
||||
0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d,
|
||||
0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9,
|
||||
0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa,
|
||||
0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d,
|
||||
0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38,
|
||||
0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a,
|
||||
0xbc, 0xc9, 0xf6, 0x62, 0x89, 0x80, 0x15, 0xad },
|
||||
{ 0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07,
|
||||
0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d,
|
||||
0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9,
|
||||
0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa,
|
||||
0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d,
|
||||
0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38,
|
||||
0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a,
|
||||
0xbc, 0xc9, 0xf6, 0x62 },
|
||||
{ 0xc3, 0x76, 0x2d, 0xf1, 0xca, 0x78, 0x7d, 0x32,
|
||||
0xae, 0x47, 0xc1, 0x3b, 0xf1, 0x98, 0x44, 0xcb,
|
||||
0xaf, 0x1a, 0xe1, 0x4d, 0x0b, 0x97, 0x6a, 0xfa,
|
||||
0xc5, 0x2f, 0xf7, 0xd7, 0x9b, 0xba, 0x9d, 0xe0,
|
||||
0xfe, 0xb5, 0x82, 0xd3, 0x39, 0x34, 0xa4, 0xf0,
|
||||
0x95, 0x4c, 0xc2, 0x36, 0x3b, 0xc7, 0x3f, 0x78,
|
||||
0x62, 0xac, 0x43, 0x0e, 0x64, 0xab, 0xe4, 0x99,
|
||||
0xf4, 0x7c, 0x9b, 0x1f },
|
||||
{ 0x5a, 0x8d, 0xef, 0x2f, 0x0c, 0x9e, 0x53, 0xf1,
|
||||
0xf7, 0x5d, 0x78, 0x53, 0x65, 0x9e, 0x2a, 0x20,
|
||||
0xee, 0xb2, 0xb2, 0x2a, 0xaf, 0xde, 0x64, 0x19,
|
||||
0xa0, 0x58, 0xab, 0x4f, 0x6f, 0x74, 0x6b, 0xf4,
|
||||
0x0f, 0xc0, 0xc3, 0xb7, 0x80, 0xf2, 0x44, 0x45,
|
||||
0x2d, 0xa3, 0xeb, 0xf1, 0xc5, 0xd8, 0x2c, 0xde,
|
||||
0xa2, 0x41, 0x89, 0x97, 0x20, 0x0e, 0xf8, 0x2e,
|
||||
0x44, 0xae, 0x7e, 0x3f },
|
||||
};
|
||||
|
||||
static const unsigned char tag[MAX_TESTS * 3][16] =
|
||||
{
|
||||
{ 0x58, 0xe2, 0xfc, 0xce, 0xfa, 0x7e, 0x30, 0x61,
|
||||
0x36, 0x7f, 0x1d, 0x57, 0xa4, 0xe7, 0x45, 0x5a },
|
||||
{ 0xab, 0x6e, 0x47, 0xd4, 0x2c, 0xec, 0x13, 0xbd,
|
||||
0xf5, 0x3a, 0x67, 0xb2, 0x12, 0x57, 0xbd, 0xdf },
|
||||
{ 0x4d, 0x5c, 0x2a, 0xf3, 0x27, 0xcd, 0x64, 0xa6,
|
||||
0x2c, 0xf3, 0x5a, 0xbd, 0x2b, 0xa6, 0xfa, 0xb4 },
|
||||
{ 0x5b, 0xc9, 0x4f, 0xbc, 0x32, 0x21, 0xa5, 0xdb,
|
||||
0x94, 0xfa, 0xe9, 0x5a, 0xe7, 0x12, 0x1a, 0x47 },
|
||||
{ 0x36, 0x12, 0xd2, 0xe7, 0x9e, 0x3b, 0x07, 0x85,
|
||||
0x56, 0x1b, 0xe1, 0x4a, 0xac, 0xa2, 0xfc, 0xcb },
|
||||
{ 0x61, 0x9c, 0xc5, 0xae, 0xff, 0xfe, 0x0b, 0xfa,
|
||||
0x46, 0x2a, 0xf4, 0x3c, 0x16, 0x99, 0xd0, 0x50 },
|
||||
{ 0xcd, 0x33, 0xb2, 0x8a, 0xc7, 0x73, 0xf7, 0x4b,
|
||||
0xa0, 0x0e, 0xd1, 0xf3, 0x12, 0x57, 0x24, 0x35 },
|
||||
{ 0x2f, 0xf5, 0x8d, 0x80, 0x03, 0x39, 0x27, 0xab,
|
||||
0x8e, 0xf4, 0xd4, 0x58, 0x75, 0x14, 0xf0, 0xfb },
|
||||
{ 0x99, 0x24, 0xa7, 0xc8, 0x58, 0x73, 0x36, 0xbf,
|
||||
0xb1, 0x18, 0x02, 0x4d, 0xb8, 0x67, 0x4a, 0x14 },
|
||||
{ 0x25, 0x19, 0x49, 0x8e, 0x80, 0xf1, 0x47, 0x8f,
|
||||
0x37, 0xba, 0x55, 0xbd, 0x6d, 0x27, 0x61, 0x8c },
|
||||
{ 0x65, 0xdc, 0xc5, 0x7f, 0xcf, 0x62, 0x3a, 0x24,
|
||||
0x09, 0x4f, 0xcc, 0xa4, 0x0d, 0x35, 0x33, 0xf8 },
|
||||
{ 0xdc, 0xf5, 0x66, 0xff, 0x29, 0x1c, 0x25, 0xbb,
|
||||
0xb8, 0x56, 0x8f, 0xc3, 0xd3, 0x76, 0xa6, 0xd9 },
|
||||
{ 0x53, 0x0f, 0x8a, 0xfb, 0xc7, 0x45, 0x36, 0xb9,
|
||||
0xa9, 0x63, 0xb4, 0xf1, 0xc4, 0xcb, 0x73, 0x8b },
|
||||
{ 0xd0, 0xd1, 0xc8, 0xa7, 0x99, 0x99, 0x6b, 0xf0,
|
||||
0x26, 0x5b, 0x98, 0xb5, 0xd4, 0x8a, 0xb9, 0x19 },
|
||||
{ 0xb0, 0x94, 0xda, 0xc5, 0xd9, 0x34, 0x71, 0xbd,
|
||||
0xec, 0x1a, 0x50, 0x22, 0x70, 0xe3, 0xcc, 0x6c },
|
||||
{ 0x76, 0xfc, 0x6e, 0xce, 0x0f, 0x4e, 0x17, 0x68,
|
||||
0xcd, 0xdf, 0x88, 0x53, 0xbb, 0x2d, 0x55, 0x1b },
|
||||
{ 0x3a, 0x33, 0x7d, 0xbf, 0x46, 0xa7, 0x92, 0xc4,
|
||||
0x5e, 0x45, 0x49, 0x13, 0xfe, 0x2e, 0xa8, 0xf2 },
|
||||
{ 0xa4, 0x4a, 0x82, 0x66, 0xee, 0x1c, 0x8e, 0xb0,
|
||||
0xc8, 0xb5, 0xd4, 0xcf, 0x5a, 0xe9, 0xf1, 0x9a },
|
||||
};
|
||||
|
||||
int mbedtls_gcm_self_test( int verbose )
|
||||
{
|
||||
mbedtls_gcm_context ctx;
|
||||
unsigned char buf[64];
|
||||
unsigned char tag_buf[16];
|
||||
int i, j, ret;
|
||||
mbedtls_cipher_id_t cipher = MBEDTLS_CIPHER_ID_AES;
|
||||
|
||||
mbedtls_gcm_init( &ctx );
|
||||
|
||||
for( j = 0; j < 3; j++ )
|
||||
{
|
||||
int key_len = 128 + 64 * j;
|
||||
|
||||
for( i = 0; i < MAX_TESTS; i++ )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( " AES-GCM-%3d #%d (%s): ",
|
||||
key_len, i, "enc" );
|
||||
|
||||
mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]], key_len );
|
||||
|
||||
ret = mbedtls_gcm_crypt_and_tag( &ctx, MBEDTLS_GCM_ENCRYPT,
|
||||
pt_len[i],
|
||||
iv[iv_index[i]], iv_len[i],
|
||||
additional[add_index[i]], add_len[i],
|
||||
pt[pt_index[i]], buf, 16, tag_buf );
|
||||
|
||||
if( ret != 0 ||
|
||||
memcmp( buf, ct[j * 6 + i], pt_len[i] ) != 0 ||
|
||||
memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
mbedtls_gcm_free( &ctx );
|
||||
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "passed\n" );
|
||||
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( " AES-GCM-%3d #%d (%s): ",
|
||||
key_len, i, "dec" );
|
||||
|
||||
mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]], key_len );
|
||||
|
||||
ret = mbedtls_gcm_crypt_and_tag( &ctx, MBEDTLS_GCM_DECRYPT,
|
||||
pt_len[i],
|
||||
iv[iv_index[i]], iv_len[i],
|
||||
additional[add_index[i]], add_len[i],
|
||||
ct[j * 6 + i], buf, 16, tag_buf );
|
||||
|
||||
if( ret != 0 ||
|
||||
memcmp( buf, pt[pt_index[i]], pt_len[i] ) != 0 ||
|
||||
memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
mbedtls_gcm_free( &ctx );
|
||||
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "passed\n" );
|
||||
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( " AES-GCM-%3d #%d split (%s): ",
|
||||
key_len, i, "enc" );
|
||||
|
||||
mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]], key_len );
|
||||
|
||||
ret = mbedtls_gcm_starts( &ctx, MBEDTLS_GCM_ENCRYPT,
|
||||
iv[iv_index[i]], iv_len[i],
|
||||
additional[add_index[i]], add_len[i] );
|
||||
if( ret != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
if( pt_len[i] > 32 )
|
||||
{
|
||||
size_t rest_len = pt_len[i] - 32;
|
||||
ret = mbedtls_gcm_update( &ctx, 32, pt[pt_index[i]], buf );
|
||||
if( ret != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
ret = mbedtls_gcm_update( &ctx, rest_len, pt[pt_index[i]] + 32,
|
||||
buf + 32 );
|
||||
if( ret != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ret = mbedtls_gcm_update( &ctx, pt_len[i], pt[pt_index[i]], buf );
|
||||
if( ret != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
}
|
||||
|
||||
ret = mbedtls_gcm_finish( &ctx, tag_buf, 16 );
|
||||
if( ret != 0 ||
|
||||
memcmp( buf, ct[j * 6 + i], pt_len[i] ) != 0 ||
|
||||
memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
mbedtls_gcm_free( &ctx );
|
||||
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "passed\n" );
|
||||
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( " AES-GCM-%3d #%d split (%s): ",
|
||||
key_len, i, "dec" );
|
||||
|
||||
mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]], key_len );
|
||||
|
||||
ret = mbedtls_gcm_starts( &ctx, MBEDTLS_GCM_DECRYPT,
|
||||
iv[iv_index[i]], iv_len[i],
|
||||
additional[add_index[i]], add_len[i] );
|
||||
if( ret != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
if( pt_len[i] > 32 )
|
||||
{
|
||||
size_t rest_len = pt_len[i] - 32;
|
||||
ret = mbedtls_gcm_update( &ctx, 32, ct[j * 6 + i], buf );
|
||||
if( ret != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
ret = mbedtls_gcm_update( &ctx, rest_len, ct[j * 6 + i] + 32,
|
||||
buf + 32 );
|
||||
if( ret != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ret = mbedtls_gcm_update( &ctx, pt_len[i], ct[j * 6 + i], buf );
|
||||
if( ret != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
}
|
||||
|
||||
ret = mbedtls_gcm_finish( &ctx, tag_buf, 16 );
|
||||
if( ret != 0 ||
|
||||
memcmp( buf, pt[pt_index[i]], pt_len[i] ) != 0 ||
|
||||
memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
mbedtls_gcm_free( &ctx );
|
||||
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "passed\n" );
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "\n" );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
|
||||
|
||||
#endif /* MBEDTLS_GCM_C */
|
||||
@@ -1,220 +0,0 @@
|
||||
/**
|
||||
* \file gcm.h
|
||||
*
|
||||
* \brief Galois/Counter mode for 128-bit block ciphers
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
#ifndef MBEDTLS_GCM_H
|
||||
#define MBEDTLS_GCM_H
|
||||
|
||||
#include "cipher.h"
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#define MBEDTLS_GCM_ENCRYPT 1
|
||||
#define MBEDTLS_GCM_DECRYPT 0
|
||||
|
||||
#define MBEDTLS_ERR_GCM_AUTH_FAILED -0x0012 /**< Authenticated decryption failed. */
|
||||
#define MBEDTLS_ERR_GCM_BAD_INPUT -0x0014 /**< Bad input parameters to function. */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* \brief GCM context structure
|
||||
*/
|
||||
typedef struct {
|
||||
mbedtls_cipher_context_t cipher_ctx;/*!< cipher context used */
|
||||
uint64_t HL[16]; /*!< Precalculated HTable */
|
||||
uint64_t HH[16]; /*!< Precalculated HTable */
|
||||
uint64_t len; /*!< Total data length */
|
||||
uint64_t add_len; /*!< Total add length */
|
||||
unsigned char base_ectr[16];/*!< First ECTR for tag */
|
||||
unsigned char y[16]; /*!< Y working value */
|
||||
unsigned char buf[16]; /*!< buf working value */
|
||||
int mode; /*!< Encrypt or Decrypt */
|
||||
}
|
||||
mbedtls_gcm_context;
|
||||
|
||||
/**
|
||||
* \brief Initialize GCM context (just makes references valid)
|
||||
* Makes the context ready for mbedtls_gcm_setkey() or
|
||||
* mbedtls_gcm_free().
|
||||
*
|
||||
* \param ctx GCM context to initialize
|
||||
*/
|
||||
void mbedtls_gcm_init( mbedtls_gcm_context *ctx );
|
||||
|
||||
/**
|
||||
* \brief GCM initialization (encryption)
|
||||
*
|
||||
* \param ctx GCM context to be initialized
|
||||
* \param cipher cipher to use (a 128-bit block cipher)
|
||||
* \param key encryption key
|
||||
* \param keybits must be 128, 192 or 256
|
||||
*
|
||||
* \return 0 if successful, or a cipher specific error code
|
||||
*/
|
||||
int mbedtls_gcm_setkey( mbedtls_gcm_context *ctx,
|
||||
mbedtls_cipher_id_t cipher,
|
||||
const unsigned char *key,
|
||||
unsigned int keybits );
|
||||
|
||||
/**
|
||||
* \brief GCM buffer encryption/decryption using a block cipher
|
||||
*
|
||||
* \note On encryption, the output buffer can be the same as the input buffer.
|
||||
* On decryption, the output buffer cannot be the same as input buffer.
|
||||
* If buffers overlap, the output buffer must trail at least 8 bytes
|
||||
* behind the input buffer.
|
||||
*
|
||||
* \param ctx GCM context
|
||||
* \param mode MBEDTLS_GCM_ENCRYPT or MBEDTLS_GCM_DECRYPT
|
||||
* \param length length of the input data
|
||||
* \param iv initialization vector
|
||||
* \param iv_len length of IV
|
||||
* \param add additional data
|
||||
* \param add_len length of additional data
|
||||
* \param input buffer holding the input data
|
||||
* \param output buffer for holding the output data
|
||||
* \param tag_len length of the tag to generate
|
||||
* \param tag buffer for holding the tag
|
||||
*
|
||||
* \return 0 if successful
|
||||
*/
|
||||
int mbedtls_gcm_crypt_and_tag( mbedtls_gcm_context *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
const unsigned char *iv,
|
||||
size_t iv_len,
|
||||
const unsigned char *add,
|
||||
size_t add_len,
|
||||
const unsigned char *input,
|
||||
unsigned char *output,
|
||||
size_t tag_len,
|
||||
unsigned char *tag );
|
||||
|
||||
/**
|
||||
* \brief GCM buffer authenticated decryption using a block cipher
|
||||
*
|
||||
* \note On decryption, the output buffer cannot be the same as input buffer.
|
||||
* If buffers overlap, the output buffer must trail at least 8 bytes
|
||||
* behind the input buffer.
|
||||
*
|
||||
* \param ctx GCM context
|
||||
* \param length length of the input data
|
||||
* \param iv initialization vector
|
||||
* \param iv_len length of IV
|
||||
* \param add additional data
|
||||
* \param add_len length of additional data
|
||||
* \param tag buffer holding the tag
|
||||
* \param tag_len length of the tag
|
||||
* \param input buffer holding the input data
|
||||
* \param output buffer for holding the output data
|
||||
*
|
||||
* \return 0 if successful and authenticated,
|
||||
* MBEDTLS_ERR_GCM_AUTH_FAILED if tag does not match
|
||||
*/
|
||||
int mbedtls_gcm_auth_decrypt( mbedtls_gcm_context *ctx,
|
||||
size_t length,
|
||||
const unsigned char *iv,
|
||||
size_t iv_len,
|
||||
const unsigned char *add,
|
||||
size_t add_len,
|
||||
const unsigned char *tag,
|
||||
size_t tag_len,
|
||||
const unsigned char *input,
|
||||
unsigned char *output );
|
||||
|
||||
/**
|
||||
* \brief Generic GCM stream start function
|
||||
*
|
||||
* \param ctx GCM context
|
||||
* \param mode MBEDTLS_GCM_ENCRYPT or MBEDTLS_GCM_DECRYPT
|
||||
* \param iv initialization vector
|
||||
* \param iv_len length of IV
|
||||
* \param add additional data (or NULL if length is 0)
|
||||
* \param add_len length of additional data
|
||||
*
|
||||
* \return 0 if successful
|
||||
*/
|
||||
int mbedtls_gcm_starts( mbedtls_gcm_context *ctx,
|
||||
int mode,
|
||||
const unsigned char *iv,
|
||||
size_t iv_len,
|
||||
const unsigned char *add,
|
||||
size_t add_len );
|
||||
|
||||
/**
|
||||
* \brief Generic GCM update function. Encrypts/decrypts using the
|
||||
* given GCM context. Expects input to be a multiple of 16
|
||||
* bytes! Only the last call before mbedtls_gcm_finish() can be less
|
||||
* than 16 bytes!
|
||||
*
|
||||
* \note On decryption, the output buffer cannot be the same as input buffer.
|
||||
* If buffers overlap, the output buffer must trail at least 8 bytes
|
||||
* behind the input buffer.
|
||||
*
|
||||
* \param ctx GCM context
|
||||
* \param length length of the input data
|
||||
* \param input buffer holding the input data
|
||||
* \param output buffer for holding the output data
|
||||
*
|
||||
* \return 0 if successful or MBEDTLS_ERR_GCM_BAD_INPUT
|
||||
*/
|
||||
int mbedtls_gcm_update( mbedtls_gcm_context *ctx,
|
||||
size_t length,
|
||||
const unsigned char *input,
|
||||
unsigned char *output );
|
||||
|
||||
/**
|
||||
* \brief Generic GCM finalisation function. Wraps up the GCM stream
|
||||
* and generates the tag. The tag can have a maximum length of
|
||||
* 16 bytes.
|
||||
*
|
||||
* \param ctx GCM context
|
||||
* \param tag buffer for holding the tag
|
||||
* \param tag_len length of the tag to generate (must be at least 4)
|
||||
*
|
||||
* \return 0 if successful or MBEDTLS_ERR_GCM_BAD_INPUT
|
||||
*/
|
||||
int mbedtls_gcm_finish( mbedtls_gcm_context *ctx,
|
||||
unsigned char *tag,
|
||||
size_t tag_len );
|
||||
|
||||
/**
|
||||
* \brief Free a GCM context and underlying cipher sub-context
|
||||
*
|
||||
* \param ctx GCM context to free
|
||||
*/
|
||||
void mbedtls_gcm_free( mbedtls_gcm_context *ctx );
|
||||
|
||||
/**
|
||||
* \brief Checkup routine
|
||||
*
|
||||
* \return 0 if successful, or 1 if the test failed
|
||||
*/
|
||||
int mbedtls_gcm_self_test( int verbose );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* gcm.h */
|
||||
@@ -1,170 +0,0 @@
|
||||
/*
|
||||
* VIA PadLock support functions
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
/*
|
||||
* This implementation is based on the VIA PadLock Programming Guide:
|
||||
*
|
||||
* http://www.via.com.tw/en/downloads/whitepapers/initiatives/padlock/
|
||||
* programming_guide.pdf
|
||||
*/
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "mbedtls/config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PADLOCK_C)
|
||||
|
||||
#include "mbedtls/padlock.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#ifndef asm
|
||||
#define asm __asm
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_HAVE_X86)
|
||||
|
||||
/*
|
||||
* PadLock detection routine
|
||||
*/
|
||||
int mbedtls_padlock_has_support( int feature )
|
||||
{
|
||||
static int flags = -1;
|
||||
int ebx = 0, edx = 0;
|
||||
|
||||
if( flags == -1 )
|
||||
{
|
||||
asm( "movl %%ebx, %0 \n\t"
|
||||
"movl $0xC0000000, %%eax \n\t"
|
||||
"cpuid \n\t"
|
||||
"cmpl $0xC0000001, %%eax \n\t"
|
||||
"movl $0, %%edx \n\t"
|
||||
"jb unsupported \n\t"
|
||||
"movl $0xC0000001, %%eax \n\t"
|
||||
"cpuid \n\t"
|
||||
"unsupported: \n\t"
|
||||
"movl %%edx, %1 \n\t"
|
||||
"movl %2, %%ebx \n\t"
|
||||
: "=m" (ebx), "=m" (edx)
|
||||
: "m" (ebx)
|
||||
: "eax", "ecx", "edx" );
|
||||
|
||||
flags = edx;
|
||||
}
|
||||
|
||||
return( flags & feature );
|
||||
}
|
||||
|
||||
/*
|
||||
* PadLock AES-ECB block en(de)cryption
|
||||
*/
|
||||
int mbedtls_padlock_xcryptecb( mbedtls_aes_context *ctx,
|
||||
int mode,
|
||||
const unsigned char input[16],
|
||||
unsigned char output[16] )
|
||||
{
|
||||
int ebx = 0;
|
||||
uint32_t *rk;
|
||||
uint32_t *blk;
|
||||
uint32_t *ctrl;
|
||||
unsigned char buf[256];
|
||||
|
||||
rk = ctx->rk;
|
||||
blk = MBEDTLS_PADLOCK_ALIGN16( buf );
|
||||
memcpy( blk, input, 16 );
|
||||
|
||||
ctrl = blk + 4;
|
||||
*ctrl = 0x80 | ctx->nr | ( ( ctx->nr + ( mode^1 ) - 10 ) << 9 );
|
||||
|
||||
asm( "pushfl \n\t"
|
||||
"popfl \n\t"
|
||||
"movl %%ebx, %0 \n\t"
|
||||
"movl $1, %%ecx \n\t"
|
||||
"movl %2, %%edx \n\t"
|
||||
"movl %3, %%ebx \n\t"
|
||||
"movl %4, %%esi \n\t"
|
||||
"movl %4, %%edi \n\t"
|
||||
".byte 0xf3,0x0f,0xa7,0xc8 \n\t"
|
||||
"movl %1, %%ebx \n\t"
|
||||
: "=m" (ebx)
|
||||
: "m" (ebx), "m" (ctrl), "m" (rk), "m" (blk)
|
||||
: "memory", "ecx", "edx", "esi", "edi" );
|
||||
|
||||
memcpy( output, blk, 16 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* PadLock AES-CBC buffer en(de)cryption
|
||||
*/
|
||||
int mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
unsigned char iv[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output )
|
||||
{
|
||||
int ebx = 0;
|
||||
size_t count;
|
||||
uint32_t *rk;
|
||||
uint32_t *iw;
|
||||
uint32_t *ctrl;
|
||||
unsigned char buf[256];
|
||||
|
||||
if( ( (long) input & 15 ) != 0 ||
|
||||
( (long) output & 15 ) != 0 )
|
||||
return( MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED );
|
||||
|
||||
rk = ctx->rk;
|
||||
iw = MBEDTLS_PADLOCK_ALIGN16( buf );
|
||||
memcpy( iw, iv, 16 );
|
||||
|
||||
ctrl = iw + 4;
|
||||
*ctrl = 0x80 | ctx->nr | ( ( ctx->nr + ( mode ^ 1 ) - 10 ) << 9 );
|
||||
|
||||
count = ( length + 15 ) >> 4;
|
||||
|
||||
asm( "pushfl \n\t"
|
||||
"popfl \n\t"
|
||||
"movl %%ebx, %0 \n\t"
|
||||
"movl %2, %%ecx \n\t"
|
||||
"movl %3, %%edx \n\t"
|
||||
"movl %4, %%ebx \n\t"
|
||||
"movl %5, %%esi \n\t"
|
||||
"movl %6, %%edi \n\t"
|
||||
"movl %7, %%eax \n\t"
|
||||
".byte 0xf3,0x0f,0xa7,0xd0 \n\t"
|
||||
"movl %1, %%ebx \n\t"
|
||||
: "=m" (ebx)
|
||||
: "m" (ebx), "m" (count), "m" (ctrl),
|
||||
"m" (rk), "m" (input), "m" (output), "m" (iw)
|
||||
: "memory", "eax", "ecx", "edx", "esi", "edi" );
|
||||
|
||||
memcpy( iv, iw, 16 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#endif /* MBEDTLS_HAVE_X86 */
|
||||
|
||||
#endif /* MBEDTLS_PADLOCK_C */
|
||||
@@ -1,107 +0,0 @@
|
||||
/**
|
||||
* \file padlock.h
|
||||
*
|
||||
* \brief VIA PadLock ACE for HW encryption/decryption supported by some
|
||||
* processors
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
#ifndef MBEDTLS_PADLOCK_H
|
||||
#define MBEDTLS_PADLOCK_H
|
||||
|
||||
#include "aes.h"
|
||||
|
||||
#define MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED -0x0030 /**< Input data should be aligned. */
|
||||
|
||||
#if defined(__has_feature)
|
||||
#if __has_feature(address_sanitizer)
|
||||
#define MBEDTLS_HAVE_ASAN
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Some versions of ASan result in errors about not enough registers */
|
||||
#if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && defined(__i386__) && \
|
||||
!defined(MBEDTLS_HAVE_ASAN)
|
||||
|
||||
#ifndef MBEDTLS_HAVE_X86
|
||||
#define MBEDTLS_HAVE_X86
|
||||
#endif
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#define MBEDTLS_PADLOCK_RNG 0x000C
|
||||
#define MBEDTLS_PADLOCK_ACE 0x00C0
|
||||
#define MBEDTLS_PADLOCK_PHE 0x0C00
|
||||
#define MBEDTLS_PADLOCK_PMM 0x3000
|
||||
|
||||
#define MBEDTLS_PADLOCK_ALIGN16(x) (uint32_t *) (16 + ((int32_t) x & ~15))
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* \brief PadLock detection routine
|
||||
*
|
||||
* \param feature The feature to detect
|
||||
*
|
||||
* \return 1 if CPU has support for the feature, 0 otherwise
|
||||
*/
|
||||
int mbedtls_padlock_has_support( int feature );
|
||||
|
||||
/**
|
||||
* \brief PadLock AES-ECB block en(de)cryption
|
||||
*
|
||||
* \param ctx AES context
|
||||
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
|
||||
* \param input 16-byte input block
|
||||
* \param output 16-byte output block
|
||||
*
|
||||
* \return 0 if success, 1 if operation failed
|
||||
*/
|
||||
int mbedtls_padlock_xcryptecb( mbedtls_aes_context *ctx,
|
||||
int mode,
|
||||
const unsigned char input[16],
|
||||
unsigned char output[16] );
|
||||
|
||||
/**
|
||||
* \brief PadLock AES-CBC buffer en(de)cryption
|
||||
*
|
||||
* \param ctx AES context
|
||||
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
|
||||
* \param length length of the input data
|
||||
* \param iv initialization vector (updated after use)
|
||||
* \param input buffer holding the input data
|
||||
* \param output buffer holding the output data
|
||||
*
|
||||
* \return 0 if success, 1 if operation failed
|
||||
*/
|
||||
int mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
unsigned char iv[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* HAVE_X86 */
|
||||
|
||||
#endif /* padlock.h */
|
||||
@@ -1,307 +0,0 @@
|
||||
/*
|
||||
* Platform abstraction layer
|
||||
*
|
||||
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "mbedtls/config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_C)
|
||||
|
||||
#include "mbedtls/platform.h"
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_MEMORY)
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_CALLOC)
|
||||
static void *platform_calloc_uninit( size_t n, size_t size )
|
||||
{
|
||||
((void) n);
|
||||
((void) size);
|
||||
return( NULL );
|
||||
}
|
||||
|
||||
#define MBEDTLS_PLATFORM_STD_CALLOC platform_calloc_uninit
|
||||
#endif /* !MBEDTLS_PLATFORM_STD_CALLOC */
|
||||
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_FREE)
|
||||
static void platform_free_uninit( void *ptr )
|
||||
{
|
||||
((void) ptr);
|
||||
}
|
||||
|
||||
#define MBEDTLS_PLATFORM_STD_FREE platform_free_uninit
|
||||
#endif /* !MBEDTLS_PLATFORM_STD_FREE */
|
||||
|
||||
void * (*mbedtls_calloc)( size_t, size_t ) = MBEDTLS_PLATFORM_STD_CALLOC;
|
||||
void (*mbedtls_free)( void * ) = MBEDTLS_PLATFORM_STD_FREE;
|
||||
|
||||
int mbedtls_platform_set_calloc_free( void * (*calloc_func)( size_t, size_t ),
|
||||
void (*free_func)( void * ) )
|
||||
{
|
||||
mbedtls_calloc = calloc_func;
|
||||
mbedtls_free = free_func;
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_PLATFORM_MEMORY */
|
||||
|
||||
#if defined(_WIN32)
|
||||
#include <stdarg.h>
|
||||
int mbedtls_platform_win32_snprintf( char *s, size_t n, const char *fmt, ... )
|
||||
{
|
||||
int ret;
|
||||
va_list argp;
|
||||
|
||||
/* Avoid calling the invalid parameter handler by checking ourselves */
|
||||
if( s == NULL || n == 0 || fmt == NULL )
|
||||
return( -1 );
|
||||
|
||||
va_start( argp, fmt );
|
||||
#if defined(_TRUNCATE)
|
||||
ret = _vsnprintf_s( s, n, _TRUNCATE, fmt, argp );
|
||||
#else
|
||||
ret = _vsnprintf( s, n, fmt, argp );
|
||||
if( ret < 0 || (size_t) ret == n )
|
||||
{
|
||||
s[n-1] = '\0';
|
||||
ret = -1;
|
||||
}
|
||||
#endif
|
||||
va_end( argp );
|
||||
|
||||
return( ret );
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_SNPRINTF)
|
||||
/*
|
||||
* Make dummy function to prevent NULL pointer dereferences
|
||||
*/
|
||||
static int platform_snprintf_uninit( char * s, size_t n,
|
||||
const char * format, ... )
|
||||
{
|
||||
((void) s);
|
||||
((void) n);
|
||||
((void) format);
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#define MBEDTLS_PLATFORM_STD_SNPRINTF platform_snprintf_uninit
|
||||
#endif /* !MBEDTLS_PLATFORM_STD_SNPRINTF */
|
||||
|
||||
int (*mbedtls_snprintf)( char * s, size_t n,
|
||||
const char * format,
|
||||
... ) = MBEDTLS_PLATFORM_STD_SNPRINTF;
|
||||
|
||||
int mbedtls_platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
|
||||
const char * format,
|
||||
... ) )
|
||||
{
|
||||
mbedtls_snprintf = snprintf_func;
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_PRINTF_ALT)
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_PRINTF)
|
||||
/*
|
||||
* Make dummy function to prevent NULL pointer dereferences
|
||||
*/
|
||||
static int platform_printf_uninit( const char *format, ... )
|
||||
{
|
||||
((void) format);
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#define MBEDTLS_PLATFORM_STD_PRINTF platform_printf_uninit
|
||||
#endif /* !MBEDTLS_PLATFORM_STD_PRINTF */
|
||||
|
||||
int (*mbedtls_printf)( const char *, ... ) = MBEDTLS_PLATFORM_STD_PRINTF;
|
||||
|
||||
int mbedtls_platform_set_printf( int (*printf_func)( const char *, ... ) )
|
||||
{
|
||||
mbedtls_printf = printf_func;
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_PLATFORM_PRINTF_ALT */
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_FPRINTF)
|
||||
/*
|
||||
* Make dummy function to prevent NULL pointer dereferences
|
||||
*/
|
||||
static int platform_fprintf_uninit( FILE *stream, const char *format, ... )
|
||||
{
|
||||
((void) stream);
|
||||
((void) format);
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#define MBEDTLS_PLATFORM_STD_FPRINTF platform_fprintf_uninit
|
||||
#endif /* !MBEDTLS_PLATFORM_STD_FPRINTF */
|
||||
|
||||
int (*mbedtls_fprintf)( FILE *, const char *, ... ) =
|
||||
MBEDTLS_PLATFORM_STD_FPRINTF;
|
||||
|
||||
int mbedtls_platform_set_fprintf( int (*fprintf_func)( FILE *, const char *, ... ) )
|
||||
{
|
||||
mbedtls_fprintf = fprintf_func;
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_PLATFORM_FPRINTF_ALT */
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_EXIT_ALT)
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_EXIT)
|
||||
/*
|
||||
* Make dummy function to prevent NULL pointer dereferences
|
||||
*/
|
||||
static void platform_exit_uninit( int status )
|
||||
{
|
||||
((void) status);
|
||||
}
|
||||
|
||||
#define MBEDTLS_PLATFORM_STD_EXIT platform_exit_uninit
|
||||
#endif /* !MBEDTLS_PLATFORM_STD_EXIT */
|
||||
|
||||
void (*mbedtls_exit)( int status ) = MBEDTLS_PLATFORM_STD_EXIT;
|
||||
|
||||
int mbedtls_platform_set_exit( void (*exit_func)( int status ) )
|
||||
{
|
||||
mbedtls_exit = exit_func;
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_PLATFORM_EXIT_ALT */
|
||||
|
||||
#if defined(MBEDTLS_HAVE_TIME)
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_TIME_ALT)
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_TIME)
|
||||
/*
|
||||
* Make dummy function to prevent NULL pointer dereferences
|
||||
*/
|
||||
static mbedtls_time_t platform_time_uninit( mbedtls_time_t* timer )
|
||||
{
|
||||
((void) timer);
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#define MBEDTLS_PLATFORM_STD_TIME platform_time_uninit
|
||||
#endif /* !MBEDTLS_PLATFORM_STD_TIME */
|
||||
|
||||
mbedtls_time_t (*mbedtls_time)( mbedtls_time_t* timer ) = MBEDTLS_PLATFORM_STD_TIME;
|
||||
|
||||
int mbedtls_platform_set_time( mbedtls_time_t (*time_func)( mbedtls_time_t* timer ) )
|
||||
{
|
||||
mbedtls_time = time_func;
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_PLATFORM_TIME_ALT */
|
||||
|
||||
#endif /* MBEDTLS_HAVE_TIME */
|
||||
|
||||
#if defined(MBEDTLS_ENTROPY_NV_SEED)
|
||||
#if !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS) && defined(MBEDTLS_FS_IO)
|
||||
/* Default implementations for the platform independent seed functions use
|
||||
* standard libc file functions to read from and write to a pre-defined filename
|
||||
*/
|
||||
int mbedtls_platform_std_nv_seed_read( unsigned char *buf, size_t buf_len )
|
||||
{
|
||||
FILE *file;
|
||||
size_t n;
|
||||
|
||||
if( ( file = fopen( MBEDTLS_PLATFORM_STD_NV_SEED_FILE, "rb" ) ) == NULL )
|
||||
return -1;
|
||||
|
||||
if( ( n = fread( buf, 1, buf_len, file ) ) != buf_len )
|
||||
{
|
||||
fclose( file );
|
||||
return -1;
|
||||
}
|
||||
|
||||
fclose( file );
|
||||
return( (int)n );
|
||||
}
|
||||
|
||||
int mbedtls_platform_std_nv_seed_write( unsigned char *buf, size_t buf_len )
|
||||
{
|
||||
FILE *file;
|
||||
size_t n;
|
||||
|
||||
if( ( file = fopen( MBEDTLS_PLATFORM_STD_NV_SEED_FILE, "w" ) ) == NULL )
|
||||
return -1;
|
||||
|
||||
if( ( n = fwrite( buf, 1, buf_len, file ) ) != buf_len )
|
||||
{
|
||||
fclose( file );
|
||||
return -1;
|
||||
}
|
||||
|
||||
fclose( file );
|
||||
return( (int)n );
|
||||
}
|
||||
#endif /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ)
|
||||
/*
|
||||
* Make dummy function to prevent NULL pointer dereferences
|
||||
*/
|
||||
static int platform_nv_seed_read_uninit( unsigned char *buf, size_t buf_len )
|
||||
{
|
||||
((void) buf);
|
||||
((void) buf_len);
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
#define MBEDTLS_PLATFORM_STD_NV_SEED_READ platform_nv_seed_read_uninit
|
||||
#endif /* !MBEDTLS_PLATFORM_STD_NV_SEED_READ */
|
||||
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE)
|
||||
/*
|
||||
* Make dummy function to prevent NULL pointer dereferences
|
||||
*/
|
||||
static int platform_nv_seed_write_uninit( unsigned char *buf, size_t buf_len )
|
||||
{
|
||||
((void) buf);
|
||||
((void) buf_len);
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE platform_nv_seed_write_uninit
|
||||
#endif /* !MBEDTLS_PLATFORM_STD_NV_SEED_WRITE */
|
||||
|
||||
int (*mbedtls_nv_seed_read)( unsigned char *buf, size_t buf_len ) =
|
||||
MBEDTLS_PLATFORM_STD_NV_SEED_READ;
|
||||
int (*mbedtls_nv_seed_write)( unsigned char *buf, size_t buf_len ) =
|
||||
MBEDTLS_PLATFORM_STD_NV_SEED_WRITE;
|
||||
|
||||
int mbedtls_platform_set_nv_seed(
|
||||
int (*nv_seed_read_func)( unsigned char *buf, size_t buf_len ),
|
||||
int (*nv_seed_write_func)( unsigned char *buf, size_t buf_len ) )
|
||||
{
|
||||
mbedtls_nv_seed_read = nv_seed_read_func;
|
||||
mbedtls_nv_seed_write = nv_seed_write_func;
|
||||
return( 0 );
|
||||
}
|
||||
#endif /* MBEDTLS_PLATFORM_NV_SEED_ALT */
|
||||
#endif /* MBEDTLS_ENTROPY_NV_SEED */
|
||||
|
||||
#endif /* MBEDTLS_PLATFORM_C */
|
||||
@@ -1,295 +0,0 @@
|
||||
/**
|
||||
* \file platform.h
|
||||
*
|
||||
* \brief mbed TLS Platform abstraction layer
|
||||
*
|
||||
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
#ifndef MBEDTLS_PLATFORM_H
|
||||
#define MBEDTLS_PLATFORM_H
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_HAVE_TIME)
|
||||
#include "mbedtls/platform_time.h"
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* \name SECTION: Module settings
|
||||
*
|
||||
* The configuration options you can set for this module are in this section.
|
||||
* Either change them in config.h or define them on the compiler command line.
|
||||
* \{
|
||||
*/
|
||||
|
||||
#if !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <time.h>
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_SNPRINTF)
|
||||
#if defined(_WIN32)
|
||||
#define MBEDTLS_PLATFORM_STD_SNPRINTF mbedtls_platform_win32_snprintf /**< Default snprintf to use */
|
||||
#else
|
||||
#define MBEDTLS_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use */
|
||||
#endif
|
||||
#endif
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_PRINTF)
|
||||
#define MBEDTLS_PLATFORM_STD_PRINTF printf /**< Default printf to use */
|
||||
#endif
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_FPRINTF)
|
||||
#define MBEDTLS_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use */
|
||||
#endif
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_CALLOC)
|
||||
#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use */
|
||||
#endif
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_FREE)
|
||||
#define MBEDTLS_PLATFORM_STD_FREE free /**< Default free to use */
|
||||
#endif
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_EXIT)
|
||||
#define MBEDTLS_PLATFORM_STD_EXIT exit /**< Default exit to use */
|
||||
#endif
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_TIME)
|
||||
#define MBEDTLS_PLATFORM_STD_TIME time /**< Default time to use */
|
||||
#endif
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_EXIT_SUCCESS)
|
||||
#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS EXIT_SUCCESS /**< Default exit value to use */
|
||||
#endif
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_EXIT_FAILURE)
|
||||
#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE EXIT_FAILURE /**< Default exit value to use */
|
||||
#endif
|
||||
#if defined(MBEDTLS_FS_IO)
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ)
|
||||
#define MBEDTLS_PLATFORM_STD_NV_SEED_READ mbedtls_platform_std_nv_seed_read
|
||||
#endif
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE)
|
||||
#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE mbedtls_platform_std_nv_seed_write
|
||||
#endif
|
||||
#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_FILE)
|
||||
#define MBEDTLS_PLATFORM_STD_NV_SEED_FILE "seedfile"
|
||||
#endif
|
||||
#endif /* MBEDTLS_FS_IO */
|
||||
#else /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
|
||||
#if defined(MBEDTLS_PLATFORM_STD_MEM_HDR)
|
||||
#include MBEDTLS_PLATFORM_STD_MEM_HDR
|
||||
#endif
|
||||
#endif /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
|
||||
|
||||
|
||||
/* \} name SECTION: Module settings */
|
||||
|
||||
/*
|
||||
* The function pointers for calloc and free
|
||||
*/
|
||||
#if defined(MBEDTLS_PLATFORM_MEMORY)
|
||||
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) && \
|
||||
defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
|
||||
#define mbedtls_free MBEDTLS_PLATFORM_FREE_MACRO
|
||||
#define mbedtls_calloc MBEDTLS_PLATFORM_CALLOC_MACRO
|
||||
#else
|
||||
/* For size_t */
|
||||
#include <stddef.h>
|
||||
extern void * (*mbedtls_calloc)( size_t n, size_t size );
|
||||
extern void (*mbedtls_free)( void *ptr );
|
||||
|
||||
/**
|
||||
* \brief Set your own memory implementation function pointers
|
||||
*
|
||||
* \param calloc_func the calloc function implementation
|
||||
* \param free_func the free function implementation
|
||||
*
|
||||
* \return 0 if successful
|
||||
*/
|
||||
int mbedtls_platform_set_calloc_free( void * (*calloc_func)( size_t, size_t ),
|
||||
void (*free_func)( void * ) );
|
||||
#endif /* MBEDTLS_PLATFORM_FREE_MACRO && MBEDTLS_PLATFORM_CALLOC_MACRO */
|
||||
#else /* !MBEDTLS_PLATFORM_MEMORY */
|
||||
#define mbedtls_free free
|
||||
#define mbedtls_calloc calloc
|
||||
#endif /* MBEDTLS_PLATFORM_MEMORY && !MBEDTLS_PLATFORM_{FREE,CALLOC}_MACRO */
|
||||
|
||||
/*
|
||||
* The function pointers for fprintf
|
||||
*/
|
||||
#if defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
|
||||
/* We need FILE * */
|
||||
#include <stdio.h>
|
||||
extern int (*mbedtls_fprintf)( FILE *stream, const char *format, ... );
|
||||
|
||||
/**
|
||||
* \brief Set your own fprintf function pointer
|
||||
*
|
||||
* \param fprintf_func the fprintf function implementation
|
||||
*
|
||||
* \return 0
|
||||
*/
|
||||
int mbedtls_platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
|
||||
... ) );
|
||||
#else
|
||||
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO)
|
||||
#define mbedtls_fprintf MBEDTLS_PLATFORM_FPRINTF_MACRO
|
||||
#else
|
||||
#define mbedtls_fprintf fprintf
|
||||
#endif /* MBEDTLS_PLATFORM_FPRINTF_MACRO */
|
||||
#endif /* MBEDTLS_PLATFORM_FPRINTF_ALT */
|
||||
|
||||
/*
|
||||
* The function pointers for printf
|
||||
*/
|
||||
#if defined(MBEDTLS_PLATFORM_PRINTF_ALT)
|
||||
extern int (*mbedtls_printf)( const char *format, ... );
|
||||
|
||||
/**
|
||||
* \brief Set your own printf function pointer
|
||||
*
|
||||
* \param printf_func the printf function implementation
|
||||
*
|
||||
* \return 0
|
||||
*/
|
||||
int mbedtls_platform_set_printf( int (*printf_func)( const char *, ... ) );
|
||||
#else /* !MBEDTLS_PLATFORM_PRINTF_ALT */
|
||||
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO)
|
||||
#define mbedtls_printf MBEDTLS_PLATFORM_PRINTF_MACRO
|
||||
#else
|
||||
#define mbedtls_printf printf
|
||||
#endif /* MBEDTLS_PLATFORM_PRINTF_MACRO */
|
||||
#endif /* MBEDTLS_PLATFORM_PRINTF_ALT */
|
||||
|
||||
/*
|
||||
* The function pointers for snprintf
|
||||
*
|
||||
* The snprintf implementation should conform to C99:
|
||||
* - it *must* always correctly zero-terminate the buffer
|
||||
* (except when n == 0, then it must leave the buffer untouched)
|
||||
* - however it is acceptable to return -1 instead of the required length when
|
||||
* the destination buffer is too short.
|
||||
*/
|
||||
#if defined(_WIN32)
|
||||
/* For Windows (inc. MSYS2), we provide our own fixed implementation */
|
||||
int mbedtls_platform_win32_snprintf( char *s, size_t n, const char *fmt, ... );
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
|
||||
extern int (*mbedtls_snprintf)( char * s, size_t n, const char * format, ... );
|
||||
|
||||
/**
|
||||
* \brief Set your own snprintf function pointer
|
||||
*
|
||||
* \param snprintf_func the snprintf function implementation
|
||||
*
|
||||
* \return 0
|
||||
*/
|
||||
int mbedtls_platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
|
||||
const char * format, ... ) );
|
||||
#else /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
|
||||
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
|
||||
#define mbedtls_snprintf MBEDTLS_PLATFORM_SNPRINTF_MACRO
|
||||
#else
|
||||
#define mbedtls_snprintf snprintf
|
||||
#endif /* MBEDTLS_PLATFORM_SNPRINTF_MACRO */
|
||||
#endif /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
|
||||
|
||||
/*
|
||||
* The function pointers for exit
|
||||
*/
|
||||
#if defined(MBEDTLS_PLATFORM_EXIT_ALT)
|
||||
extern void (*mbedtls_exit)( int status );
|
||||
|
||||
/**
|
||||
* \brief Set your own exit function pointer
|
||||
*
|
||||
* \param exit_func the exit function implementation
|
||||
*
|
||||
* \return 0
|
||||
*/
|
||||
int mbedtls_platform_set_exit( void (*exit_func)( int status ) );
|
||||
#else
|
||||
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO)
|
||||
#define mbedtls_exit MBEDTLS_PLATFORM_EXIT_MACRO
|
||||
#else
|
||||
#define mbedtls_exit exit
|
||||
#endif /* MBEDTLS_PLATFORM_EXIT_MACRO */
|
||||
#endif /* MBEDTLS_PLATFORM_EXIT_ALT */
|
||||
|
||||
/*
|
||||
* The default exit values
|
||||
*/
|
||||
#if defined(MBEDTLS_PLATFORM_STD_EXIT_SUCCESS)
|
||||
#define MBEDTLS_EXIT_SUCCESS MBEDTLS_PLATFORM_STD_EXIT_SUCCESS
|
||||
#else
|
||||
#define MBEDTLS_EXIT_SUCCESS 0
|
||||
#endif
|
||||
#if defined(MBEDTLS_PLATFORM_STD_EXIT_FAILURE)
|
||||
#define MBEDTLS_EXIT_FAILURE MBEDTLS_PLATFORM_STD_EXIT_FAILURE
|
||||
#else
|
||||
#define MBEDTLS_EXIT_FAILURE 1
|
||||
#endif
|
||||
|
||||
/*
|
||||
* The function pointers for reading from and writing a seed file to
|
||||
* Non-Volatile storage (NV) in a platform-independent way
|
||||
*
|
||||
* Only enabled when the NV seed entropy source is enabled
|
||||
*/
|
||||
#if defined(MBEDTLS_ENTROPY_NV_SEED)
|
||||
#if !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS) && defined(MBEDTLS_FS_IO)
|
||||
/* Internal standard platform definitions */
|
||||
int mbedtls_platform_std_nv_seed_read( unsigned char *buf, size_t buf_len );
|
||||
int mbedtls_platform_std_nv_seed_write( unsigned char *buf, size_t buf_len );
|
||||
#endif
|
||||
|
||||
#if defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
|
||||
extern int (*mbedtls_nv_seed_read)( unsigned char *buf, size_t buf_len );
|
||||
extern int (*mbedtls_nv_seed_write)( unsigned char *buf, size_t buf_len );
|
||||
|
||||
/**
|
||||
* \brief Set your own seed file writing/reading functions
|
||||
*
|
||||
* \param nv_seed_read_func the seed reading function implementation
|
||||
* \param nv_seed_write_func the seed writing function implementation
|
||||
*
|
||||
* \return 0
|
||||
*/
|
||||
int mbedtls_platform_set_nv_seed(
|
||||
int (*nv_seed_read_func)( unsigned char *buf, size_t buf_len ),
|
||||
int (*nv_seed_write_func)( unsigned char *buf, size_t buf_len )
|
||||
);
|
||||
#else
|
||||
#if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) && \
|
||||
defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO)
|
||||
#define mbedtls_nv_seed_read MBEDTLS_PLATFORM_NV_SEED_READ_MACRO
|
||||
#define mbedtls_nv_seed_write MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO
|
||||
#else
|
||||
#define mbedtls_nv_seed_read mbedtls_platform_std_nv_seed_read
|
||||
#define mbedtls_nv_seed_write mbedtls_platform_std_nv_seed_write
|
||||
#endif
|
||||
#endif /* MBEDTLS_PLATFORM_NV_SEED_ALT */
|
||||
#endif /* MBEDTLS_ENTROPY_NV_SEED */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* platform.h */
|
||||
@@ -1,81 +0,0 @@
|
||||
/**
|
||||
* \file platform_time.h
|
||||
*
|
||||
* \brief mbed TLS Platform time abstraction
|
||||
*
|
||||
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
*/
|
||||
#ifndef MBEDTLS_PLATFORM_TIME_H
|
||||
#define MBEDTLS_PLATFORM_TIME_H
|
||||
|
||||
#if !defined(MBEDTLS_CONFIG_FILE)
|
||||
#include "config.h"
|
||||
#else
|
||||
#include MBEDTLS_CONFIG_FILE
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* \name SECTION: Module settings
|
||||
*
|
||||
* The configuration options you can set for this module are in this section.
|
||||
* Either change them in config.h or define them on the compiler command line.
|
||||
* \{
|
||||
*/
|
||||
|
||||
/*
|
||||
* The time_t datatype
|
||||
*/
|
||||
#if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO)
|
||||
typedef MBEDTLS_PLATFORM_TIME_TYPE_MACRO mbedtls_time_t;
|
||||
#else
|
||||
/* For time_t */
|
||||
#include <time.h>
|
||||
typedef time_t mbedtls_time_t;
|
||||
#endif /* MBEDTLS_PLATFORM_TIME_TYPE_MACRO */
|
||||
|
||||
/*
|
||||
* The function pointers for time
|
||||
*/
|
||||
#if defined(MBEDTLS_PLATFORM_TIME_ALT)
|
||||
extern mbedtls_time_t (*mbedtls_time)( mbedtls_time_t* time );
|
||||
|
||||
/**
|
||||
* \brief Set your own time function pointer
|
||||
*
|
||||
* \param time_func the time function implementation
|
||||
*
|
||||
* \return 0
|
||||
*/
|
||||
int mbedtls_platform_set_time( mbedtls_time_t (*time_func)( mbedtls_time_t* time ) );
|
||||
#else
|
||||
#if defined(MBEDTLS_PLATFORM_TIME_MACRO)
|
||||
#define mbedtls_time MBEDTLS_PLATFORM_TIME_MACRO
|
||||
#else
|
||||
#define mbedtls_time time
|
||||
#endif /* MBEDTLS_PLATFORM_TIME_MACRO */
|
||||
#endif /* MBEDTLS_PLATFORM_TIME_ALT */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* platform_time.h */
|
||||
Reference in New Issue
Block a user