diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/des/str2key.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/des/str2key.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/Cryptlib/OpenSSL/crypto/des/str2key.c b/Cryptlib/OpenSSL/crypto/des/str2key.c deleted file mode 100644 index 78998a1c..00000000 --- a/Cryptlib/OpenSSL/crypto/des/str2key.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. - * - * Licensed under the OpenSSL license (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy - * in the file LICENSE in the source distribution or at - * https://www.openssl.org/source/license.html - */ - -#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; - - 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++) { - register unsigned char 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); - DES_set_key_unchecked(key, &ks); - 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; - - 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++) { - register unsigned char 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); - DES_set_key_unchecked(key1, &ks); - DES_cbc_cksum((const unsigned char *)str, key1, length, &ks, key1); - DES_set_key_unchecked(key2, &ks); - 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); -} |
