42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* header for the des routines that we will use */
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typedef unsigned char byte, DesData[ 8], IdeaData[16];
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#if 0
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typedef unsigned long word, DesKeys[32];
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#else
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#define DesKeys des_key_schedule
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#endif
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#define DES_DECRYPT 0
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#define DES_ENCRYPT 1
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#if 0
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extern void des_fixup_key_parity(); /* (DesData *key) */
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extern int des_key_sched(); /* (DesData *key, DesKeys *m) */
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extern int des_ecb_encrypt(); /* (DesData *src, *dst, DesKeys *m, int mode) */
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extern int des_cbc_encrypt(); /* (char *src, *dst, int length,
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DesKeys *m, DesData *init, int mode) */
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#endif
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/* public key routines */
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/* functions:
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genkeys(char *public, char *secret)
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common_key(char *secret, char *public, desData *deskey)
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where
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char public[HEXKEYBYTES + 1];
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char secret[HEXKEYBYTES + 1];
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*/
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#define HEXMODULUS "d4a0ba0250b6fd2ec626e7efd637df76c716e22d0944b88b"
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#define HEXKEYBYTES 48
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#define KEYSIZE 192
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#define KEYBYTES 24
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#define PROOT 3
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extern void genkeys(char *public, char *secret);
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extern void common_key(char *secret, char *public, IdeaData *common,
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DesData *deskey);
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extern void pk_encode(char *in, char *out, DesData *deskey);
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extern void pk_decode(char *in, char *out, DesData *deskey);
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