diff options
Diffstat (limited to 'crypto/libdes/set_key.c')
| -rw-r--r-- | crypto/libdes/set_key.c | 52 |
1 files changed, 21 insertions, 31 deletions
diff --git a/crypto/libdes/set_key.c b/crypto/libdes/set_key.c index 6714256..52553a4 100644 --- a/crypto/libdes/set_key.c +++ b/crypto/libdes/set_key.c @@ -1,9 +1,9 @@ /* crypto/des/set_key.c */ -/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au) +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written - * by Eric Young (eay@mincom.oz.au). + * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as @@ -11,7 +11,7 @@ * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@mincom.oz.au). + * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. @@ -31,12 +31,12 @@ * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by - * Eric Young (eay@mincom.oz.au)" + * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@mincom.oz.au)" + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE @@ -67,16 +67,10 @@ #include "podd.h" #include "sk.h" -#ifndef NOPROTO -static int check_parity(des_cblock (*key)); -#else -static int check_parity(); -#endif +static int check_parity(const_des_cblock *key); +OPENSSL_GLOBAL int des_check_key=0; -int des_check_key=0; - -void des_set_odd_parity(key) -des_cblock (*key); +void des_set_odd_parity(des_cblock *key) { int i; @@ -84,8 +78,7 @@ des_cblock (*key); (*key)[i]=odd_parity[(*key)[i]]; } -static int check_parity(key) -des_cblock (*key); +static int check_parity(const_des_cblock *key) { int i; @@ -111,8 +104,8 @@ static des_cblock weak_keys[NUM_WEAK_KEY]={ /* weak keys */ {0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01}, {0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE}, - {0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F}, - {0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0}, + {0x1F,0x1F,0x1F,0x1F,0x0E,0x0E,0x0E,0x0E}, + {0xE0,0xE0,0xE0,0xE0,0xF1,0xF1,0xF1,0xF1}, /* semi-weak keys */ {0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE}, {0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01}, @@ -127,8 +120,7 @@ static des_cblock weak_keys[NUM_WEAK_KEY]={ {0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1,0xFE}, {0xFE,0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1}}; -int des_is_weak_key(key) -des_cblock (*key); +int des_is_weak_key(const_des_cblock *key) { int i; @@ -136,8 +128,10 @@ des_cblock (*key); /* Added == 0 to comparision, I obviously don't run * this section very often :-(, thanks to * engineering@MorningStar.Com for the fix - * eay 93/06/29 */ - if (memcmp(weak_keys[i],key,sizeof(key)) == 0) return(1); + * eay 93/06/29 + * Another problem, I was comparing only the first 4 + * bytes, 97/03/18 */ + if (memcmp(weak_keys[i],key,sizeof(des_cblock)) == 0) return(1); return(0); } @@ -155,13 +149,11 @@ des_cblock (*key); * return -1 if key parity error, * return -2 if illegal weak key. */ -int des_set_key(key, schedule) -des_cblock (*key); -des_key_schedule schedule; +int des_set_key(const_des_cblock *key, des_key_schedule schedule) { static int shifts2[16]={0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0}; register DES_LONG c,d,t,s,t2; - register unsigned char *in; + register const unsigned char *in; register DES_LONG *k; register int i; @@ -174,8 +166,8 @@ des_key_schedule schedule; return(-2); } - k=(DES_LONG *)schedule; - in=(unsigned char *)key; + k = &schedule->ks.deslong[0]; + in = &(*key)[0]; c2l(in,c); c2l(in,d); @@ -236,9 +228,7 @@ des_key_schedule schedule; return(0); } -int des_key_sched(key, schedule) -des_cblock (*key); -des_key_schedule schedule; +int des_key_sched(const_des_cblock *key, des_key_schedule schedule) { return(des_set_key(key,schedule)); } |
