diff options
Diffstat (limited to 'main/openssl/crypto/des/str2key.c')
| m--------- | main/openssl | 0 | ||||
| -rw-r--r-- | main/openssl/crypto/des/str2key.c | 174 |
2 files changed, 0 insertions, 174 deletions
diff --git a/main/openssl b/main/openssl new file mode 160000 +Subproject 4d377a9ce111930d8a8f06dc0e94a892a7f6c51 diff --git a/main/openssl/crypto/des/str2key.c b/main/openssl/crypto/des/str2key.c deleted file mode 100644 index 1077f99d..00000000 --- a/main/openssl/crypto/des/str2key.c +++ /dev/null @@ -1,174 +0,0 @@ -/* crypto/des/str2key.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 <openssl/crypto.h> -#include "des_locl.h" - -void DES_string_to_key(const char *str, DES_cblock *key) - { - DES_key_schedule ks; - int i,length; - register unsigned char j; - - memset(key,0,8); - length=strlen(str); -#ifdef OLD_STR_TO_KEY - for (i=0; i<length; i++) - (*key)[i%8]^=(str[i]<<1); -#else /* MIT COMPATIBLE */ - for (i=0; i<length; i++) - { - j=str[i]; - if ((i%16) < 8) - (*key)[i%8]^=(j<<1); - else - { - /* Reverse the bit order 05/05/92 eay */ - j=((j<<4)&0xf0)|((j>>4)&0x0f); - j=((j<<2)&0xcc)|((j>>2)&0x33); - j=((j<<1)&0xaa)|((j>>1)&0x55); - (*key)[7-(i%8)]^=j; - } - } -#endif - DES_set_odd_parity(key); -#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY - if(DES_is_weak_key(key)) - (*key)[7] ^= 0xF0; - DES_set_key(key,&ks); -#else - DES_set_key_unchecked(key,&ks); -#endif - DES_cbc_cksum((const unsigned char*)str,key,length,&ks,key); - OPENSSL_cleanse(&ks,sizeof(ks)); - DES_set_odd_parity(key); - } - -void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2) - { - DES_key_schedule ks; - int i,length; - register unsigned char j; - - memset(key1,0,8); - memset(key2,0,8); - length=strlen(str); -#ifdef OLD_STR_TO_KEY - if (length <= 8) - { - for (i=0; i<length; i++) - { - (*key2)[i]=(*key1)[i]=(str[i]<<1); - } - } - else - { - for (i=0; i<length; i++) - { - if ((i/8)&1) - (*key2)[i%8]^=(str[i]<<1); - else - (*key1)[i%8]^=(str[i]<<1); - } - } -#else /* MIT COMPATIBLE */ - for (i=0; i<length; i++) - { - j=str[i]; - if ((i%32) < 16) - { - if ((i%16) < 8) - (*key1)[i%8]^=(j<<1); - else - (*key2)[i%8]^=(j<<1); - } - else - { - j=((j<<4)&0xf0)|((j>>4)&0x0f); - j=((j<<2)&0xcc)|((j>>2)&0x33); - j=((j<<1)&0xaa)|((j>>1)&0x55); - if ((i%16) < 8) - (*key1)[7-(i%8)]^=j; - else - (*key2)[7-(i%8)]^=j; - } - } - if (length <= 8) memcpy(key2,key1,8); -#endif - DES_set_odd_parity(key1); - DES_set_odd_parity(key2); -#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY - if(DES_is_weak_key(key1)) - (*key1)[7] ^= 0xF0; - DES_set_key(key1,&ks); -#else - DES_set_key_unchecked(key1,&ks); -#endif - DES_cbc_cksum((const unsigned char*)str,key1,length,&ks,key1); -#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY - if(DES_is_weak_key(key2)) - (*key2)[7] ^= 0xF0; - DES_set_key(key2,&ks); -#else - DES_set_key_unchecked(key2,&ks); -#endif - DES_cbc_cksum((const unsigned char*)str,key2,length,&ks,key2); - OPENSSL_cleanse(&ks,sizeof(ks)); - DES_set_odd_parity(key1); - DES_set_odd_parity(key2); - } |