X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fdes%2Fcbc_enc.c;h=7ee359928c3db54b8ccb0159a16cb16503497ce7;hb=19a86b03010c111d4e05ce252247e30f0e940dad;hp=c9c881b12a43f7c3fb728f43a3045f2c8ea1ad36;hpb=c77f47abfa217b808b631fb1e489a442d0c26bbc;p=oweals%2Fopenssl.git diff --git a/crypto/des/cbc_enc.c b/crypto/des/cbc_enc.c index c9c881b12a..7ee359928c 100644 --- a/crypto/des/cbc_enc.c +++ b/crypto/des/cbc_enc.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * 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 * the following conditions are aheared to. The following conditions * 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@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * 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 + * 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@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,91 +49,13 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ -#include "des_locl.h" - -/* Note that this is inconsistent with other DES functions in that it doesn't - update ivec */ -void des_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, - des_key_schedule schedule, des_cblock *ivec, int enc) - { - register DES_LONG tin0,tin1; - register DES_LONG tout0,tout1,xor0,xor1; - register long l=length; - DES_LONG tin[2]; - unsigned char *iv; - - iv = &(*ivec)[0]; - - if (enc) - { - 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); - } -#if 0 - iv = &(*ivec)[0]; - l2c(tout0,iv); - l2c(tout1,iv); -#endif - } - 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; */ - } -#if 0 - iv = &(*ivec)[0]; - l2c(xor0,iv); - l2c(xor1,iv); -#endif - } - 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 */