46 lines
1.1 KiB
C
Executable File
46 lines
1.1 KiB
C
Executable File
/* @(#)des.h 2.9 90/03/30 SMI */
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/*
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* Generic DES driver interface
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* Keep this file hardware independent!
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* Copyright (c) 1986 by Sun Microsystems, Inc.
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*/
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#ifndef _sys_des_h
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#define _sys_des_h
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#define DES_MAXLEN 65536 /* maximum # of bytes to encrypt */
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#define DES_QUICKLEN 16 /* maximum # of bytes to encrypt quickly */
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enum desdir { ENCRYPT, DECRYPT };
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enum desmode { CBC, ECB };
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/*
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* parameters to ioctl call
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*/
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struct desparams {
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u_char des_key[8]; /* key (with low bit parity) */
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enum desdir des_dir; /* direction */
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enum desmode des_mode; /* mode */
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u_char des_ivec[8]; /* input vector */
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unsigned des_len; /* number of bytes to crypt */
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union {
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u_char UDES_data[DES_QUICKLEN];
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u_char *UDES_buf;
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} UDES;
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# define des_data UDES.UDES_data /* direct data here if quick */
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# define des_buf UDES.UDES_buf /* otherwise, pointer to data */
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};
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/*
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* Encrypt an arbitrary sized buffer
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*/
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#define DESIOCBLOCK _IOWR(d, 6, struct desparams)
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/*
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* Encrypt of small amount of data, quickly
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*/
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#define DESIOCQUICK _IOWR(d, 7, struct desparams)
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#endif /*!_sys_des_h*/
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