diff options
Diffstat (limited to 'crypto/libdes/cbc_enc.c')
-rw-r--r-- | crypto/libdes/cbc_enc.c | 88 |
1 files changed, 7 insertions, 81 deletions
diff --git a/crypto/libdes/cbc_enc.c b/crypto/libdes/cbc_enc.c index e7a90ce98523..677903ae4e32 100644 --- a/crypto/libdes/cbc_enc.c +++ b/crypto/libdes/cbc_enc.c @@ -1,9 +1,9 @@ /* crypto/des/cbc_enc.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 @@ -56,80 +56,6 @@ * [including the GNU Public Licence.] */ -#include "des_locl.h" - -void des_cbc_encrypt(input, output, length, schedule, ivec, encrypt) -des_cblock (*input); -des_cblock (*output); -long length; -des_key_schedule schedule; -des_cblock (*ivec); -int encrypt; - { - register DES_LONG tin0,tin1; - register DES_LONG tout0,tout1,xor0,xor1; - register unsigned char *in,*out; - register long l=length; - DES_LONG tin[2]; - unsigned char *iv; - - in=(unsigned char *)input; - out=(unsigned char *)output; - iv=(unsigned char *)ivec; - - if (encrypt) - { - c2l(iv,tout0); - c2l(iv,tout1); - for (l-=8; l>=0; l-=8) - { - c2l(in,tin0); - c2l(in,tin1); - tin0^=tout0; tin[0]=tin0; - tin1^=tout1; tin[1]=tin1; - des_encrypt((DES_LONG *)tin,schedule,DES_ENCRYPT); - tout0=tin[0]; l2c(tout0,out); - tout1=tin[1]; l2c(tout1,out); - } - if (l != -8) - { - c2ln(in,tin0,tin1,l+8); - tin0^=tout0; tin[0]=tin0; - tin1^=tout1; tin[1]=tin1; - des_encrypt((DES_LONG *)tin,schedule,DES_ENCRYPT); - tout0=tin[0]; l2c(tout0,out); - tout1=tin[1]; l2c(tout1,out); - } - } - else - { - c2l(iv,xor0); - c2l(iv,xor1); - for (l-=8; l>=0; l-=8) - { - c2l(in,tin0); tin[0]=tin0; - c2l(in,tin1); tin[1]=tin1; - des_encrypt((DES_LONG *)tin,schedule,DES_DECRYPT); - tout0=tin[0]^xor0; - tout1=tin[1]^xor1; - l2c(tout0,out); - l2c(tout1,out); - xor0=tin0; - xor1=tin1; - } - if (l != -8) - { - c2l(in,tin0); tin[0]=tin0; - c2l(in,tin1); tin[1]=tin1; - des_encrypt((DES_LONG *)tin,schedule,DES_DECRYPT); - tout0=tin[0]^xor0; - tout1=tin[1]^xor1; - l2cn(tout0,tout1,out,l+8); - /* xor0=tin0; - xor1=tin1; */ - } - } - tin0=tin1=tout0=tout1=xor0=xor1=0; - tin[0]=tin[1]=0; - } +#define CBC_ENC_C__DONT_UPDATE_IV +#include "ncbc_enc.c" /* des_cbc_encrypt */ |