75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
/*
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* @(#)des_crypt.h 1.1 92/07/30 (C) 1986 SMI
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*
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* des_crypt.h, des library routine interface
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* Copyright (C) 1986, Sun Microsystems, Inc.
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*/
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#define DES_MAXDATA 8192 /* max bytes encrypted in one call */
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#define DES_DIRMASK (1 << 0)
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#define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */
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#define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */
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#define DES_DEVMASK (1 << 1)
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#define DES_HW (0*DES_DEVMASK) /* Use hardware device */
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#define DES_SW (1*DES_DEVMASK) /* Use software device */
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#define DESERR_NONE 0 /* succeeded */
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#define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */
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#define DESERR_HWERROR 2 /* failed, hardware/driver error */
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#define DESERR_BADPARAM 3 /* failed, bad parameter to call */
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#define DES_FAILED(err) \
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((err) > DESERR_NOHWDEVICE)
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/*
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* cbc_crypt()
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* ecb_crypt()
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*
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* Encrypt (or decrypt) len bytes of a buffer buf.
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* The length must be a multiple of eight.
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* The key should have odd parity in the low bit of each byte.
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* ivec is the input vector, and is updated to the new one (cbc only).
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* The mode is created by oring together the appropriate parameters.
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* DESERR_NOHWDEVICE is returned if DES_HW was specified but
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* there was no hardware to do it on (the data will still be
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* encrypted though, in software).
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*/
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/*
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* Cipher Block Chaining mode
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*/
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cbc_crypt(/* key, buf, len, mode, ivec */); /*
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char *key;
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char *buf;
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unsigned len;
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unsigned mode;
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char *ivec;
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*/
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/*
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* Electronic Code Book mode
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*/
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ecb_crypt(/* key, buf, len, mode */); /*
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char *key;
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char *buf;
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unsigned len;
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unsigned mode;
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*/
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#ifndef KERNEL
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/*
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* Set des parity for a key.
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* DES parity is odd and in the low bit of each byte
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*/
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void
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des_setparity(/* key */); /*
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char *key;
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*/
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#endif
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