diff options
Diffstat (limited to 'main/openssl/crypto/des/cfb_enc.c')
| m--------- | main/openssl | 0 | ||||
| -rw-r--r-- | main/openssl/crypto/des/cfb_enc.c | 195 |
2 files changed, 0 insertions, 195 deletions
diff --git a/main/openssl b/main/openssl new file mode 160000 +Subproject 4d377a9ce111930d8a8f06dc0e94a892a7f6c51 diff --git a/main/openssl/crypto/des/cfb_enc.c b/main/openssl/crypto/des/cfb_enc.c deleted file mode 100644 index 720f29a2..00000000 --- a/main/openssl/crypto/des/cfb_enc.c +++ /dev/null @@ -1,195 +0,0 @@ -/* crypto/des/cfb_enc.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * 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: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 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@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@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 - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * 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 "e_os.h" -#include "des_locl.h" -#include <assert.h> - -/* The input and output are loaded in multiples of 8 bits. - * What this means is that if you hame numbits=12 and length=2 - * the first 12 bits will be retrieved from the first byte and half - * the second. The second 12 bits will come from the 3rd and half the 4th - * byte. - */ -/* Until Aug 1 2003 this function did not correctly implement CFB-r, so it - * will not be compatible with any encryption prior to that date. Ben. */ -void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits, - long length, DES_key_schedule *schedule, DES_cblock *ivec, - int enc) - { - register DES_LONG d0,d1,v0,v1; - register unsigned long l=length; - register int num=numbits/8,n=(numbits+7)/8,i,rem=numbits%8; - DES_LONG ti[2]; - unsigned char *iv; -#ifndef L_ENDIAN - unsigned char ovec[16]; -#else - unsigned int sh[4]; - unsigned char *ovec=(unsigned char *)sh; - - /* I kind of count that compiler optimizes away this assertioni,*/ - assert (sizeof(sh[0])==4); /* as this holds true for all, */ - /* but 16-bit platforms... */ - -#endif - - if (numbits<=0 || numbits > 64) return; - iv = &(*ivec)[0]; - c2l(iv,v0); - c2l(iv,v1); - if (enc) - { - while (l >= (unsigned long)n) - { - l-=n; - ti[0]=v0; - ti[1]=v1; - DES_encrypt1((DES_LONG *)ti,schedule,DES_ENCRYPT); - c2ln(in,d0,d1,n); - in+=n; - d0^=ti[0]; - d1^=ti[1]; - l2cn(d0,d1,out,n); - out+=n; - /* 30-08-94 - eay - changed because l>>32 and - * l<<32 are bad under gcc :-( */ - if (numbits == 32) - { v0=v1; v1=d0; } - else if (numbits == 64) - { v0=d0; v1=d1; } - else - { -#ifndef L_ENDIAN - iv=&ovec[0]; - l2c(v0,iv); - l2c(v1,iv); - l2c(d0,iv); - l2c(d1,iv); -#else - sh[0]=v0, sh[1]=v1, sh[2]=d0, sh[3]=d1; -#endif - if (rem==0) - memmove(ovec,ovec+num,8); - else - for(i=0 ; i < 8 ; ++i) - ovec[i]=ovec[i+num]<<rem | - ovec[i+num+1]>>(8-rem); -#ifdef L_ENDIAN - v0=sh[0], v1=sh[1]; -#else - iv=&ovec[0]; - c2l(iv,v0); - c2l(iv,v1); -#endif - } - } - } - else - { - while (l >= (unsigned long)n) - { - l-=n; - ti[0]=v0; - ti[1]=v1; - DES_encrypt1((DES_LONG *)ti,schedule,DES_ENCRYPT); - c2ln(in,d0,d1,n); - in+=n; - /* 30-08-94 - eay - changed because l>>32 and - * l<<32 are bad under gcc :-( */ - if (numbits == 32) - { v0=v1; v1=d0; } - else if (numbits == 64) - { v0=d0; v1=d1; } - else - { -#ifndef L_ENDIAN - iv=&ovec[0]; - l2c(v0,iv); - l2c(v1,iv); - l2c(d0,iv); - l2c(d1,iv); -#else - sh[0]=v0, sh[1]=v1, sh[2]=d0, sh[3]=d1; -#endif - if (rem==0) - memmove(ovec,ovec+num,8); - else - for(i=0 ; i < 8 ; ++i) - ovec[i]=ovec[i+num]<<rem | - ovec[i+num+1]>>(8-rem); -#ifdef L_ENDIAN - v0=sh[0], v1=sh[1]; -#else - iv=&ovec[0]; - c2l(iv,v0); - c2l(iv,v1); -#endif - } - d0^=ti[0]; - d1^=ti[1]; - l2cn(d0,d1,out,n); - out+=n; - } - } - iv = &(*ivec)[0]; - l2c(v0,iv); - l2c(v1,iv); - v0=v1=d0=d1=ti[0]=ti[1]=0; - } - |