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Diffstat (limited to 'src/lib/libcrypto/des/str2key.c')
-rw-r--r-- | src/lib/libcrypto/des/str2key.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/src/lib/libcrypto/des/str2key.c b/src/lib/libcrypto/des/str2key.c deleted file mode 100644 index cc5bc91b4d..0000000000 --- a/src/lib/libcrypto/des/str2key.c +++ /dev/null | |||
@@ -1,168 +0,0 @@ | |||
1 | /* $OpenBSD: str2key.c,v 1.14 2024/03/29 01:47:29 joshua Exp $ */ | ||
2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * This package is an SSL implementation written | ||
6 | * by Eric Young (eay@cryptsoft.com). | ||
7 | * The implementation was written so as to conform with Netscapes SSL. | ||
8 | * | ||
9 | * This library is free for commercial and non-commercial use as long as | ||
10 | * the following conditions are aheared to. The following conditions | ||
11 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
13 | * included with this distribution is covered by the same copyright terms | ||
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
15 | * | ||
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
17 | * the code are not to be removed. | ||
18 | * If this package is used in a product, Eric Young should be given attribution | ||
19 | * as the author of the parts of the library used. | ||
20 | * This can be in the form of a textual message at program startup or | ||
21 | * in documentation (online or textual) provided with the package. | ||
22 | * | ||
23 | * Redistribution and use in source and binary forms, with or without | ||
24 | * modification, are permitted provided that the following conditions | ||
25 | * are met: | ||
26 | * 1. Redistributions of source code must retain the copyright | ||
27 | * notice, this list of conditions and the following disclaimer. | ||
28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
29 | * notice, this list of conditions and the following disclaimer in the | ||
30 | * documentation and/or other materials provided with the distribution. | ||
31 | * 3. All advertising materials mentioning features or use of this software | ||
32 | * must display the following acknowledgement: | ||
33 | * "This product includes cryptographic software written by | ||
34 | * Eric Young (eay@cryptsoft.com)" | ||
35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
36 | * being used are not cryptographic related :-). | ||
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
38 | * the apps directory (application code) you must include an acknowledgement: | ||
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
40 | * | ||
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
51 | * SUCH DAMAGE. | ||
52 | * | ||
53 | * The licence and distribution terms for any publically available version or | ||
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
55 | * copied and put under another distribution licence | ||
56 | * [including the GNU Public Licence.] | ||
57 | */ | ||
58 | |||
59 | #include <openssl/crypto.h> | ||
60 | #include "des_local.h" | ||
61 | |||
62 | void | ||
63 | DES_string_to_key(const char *str, DES_cblock *key) | ||
64 | { | ||
65 | DES_key_schedule ks; | ||
66 | int i, length; | ||
67 | unsigned char j; | ||
68 | |||
69 | memset(key, 0, 8); | ||
70 | length = strlen(str); | ||
71 | #ifdef OLD_STR_TO_KEY | ||
72 | for (i = 0; i < length; i++) | ||
73 | (*key)[i % 8] ^= (str[i] << 1); | ||
74 | #else /* MIT COMPATIBLE */ | ||
75 | for (i = 0; i < length; i++) { | ||
76 | j = str[i]; | ||
77 | if ((i % 16) < 8) | ||
78 | (*key)[i % 8] ^= (j << 1); | ||
79 | else { | ||
80 | /* Reverse the bit order 05/05/92 eay */ | ||
81 | j = ((j << 4) & 0xf0)|((j >> 4) & 0x0f); | ||
82 | j = ((j << 2) & 0xcc)|((j >> 2) & 0x33); | ||
83 | j = ((j << 1) & 0xaa)|((j >> 1) & 0x55); | ||
84 | (*key)[7 - (i % 8)] ^= j; | ||
85 | } | ||
86 | } | ||
87 | #endif | ||
88 | DES_set_odd_parity(key); | ||
89 | #ifdef EXPERIMENTAL_STR_TO_STRONG_KEY | ||
90 | if (DES_is_weak_key(key)) | ||
91 | (*key)[7] ^= 0xF0; | ||
92 | DES_set_key(key, &ks); | ||
93 | #else | ||
94 | DES_set_key_unchecked(key, &ks); | ||
95 | #endif | ||
96 | DES_cbc_cksum((const unsigned char *)str, key, length, &ks, key); | ||
97 | explicit_bzero(&ks, sizeof(ks)); | ||
98 | DES_set_odd_parity(key); | ||
99 | } | ||
100 | LCRYPTO_ALIAS(DES_string_to_key); | ||
101 | |||
102 | void | ||
103 | DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2) | ||
104 | { | ||
105 | DES_key_schedule ks; | ||
106 | int i, length; | ||
107 | unsigned char j; | ||
108 | |||
109 | memset(key1, 0, 8); | ||
110 | memset(key2, 0, 8); | ||
111 | length = strlen(str); | ||
112 | #ifdef OLD_STR_TO_KEY | ||
113 | if (length <= 8) { | ||
114 | for (i = 0; i < length; i++) { | ||
115 | (*key2)[i] = (*key1)[i] = (str[i] << 1); | ||
116 | } | ||
117 | } else { | ||
118 | for (i = 0; i < length; i++) { | ||
119 | if ((i/8) & 1) | ||
120 | (*key2)[i % 8] ^= (str[i] << 1); | ||
121 | else | ||
122 | (*key1)[i % 8] ^= (str[i] << 1); | ||
123 | } | ||
124 | } | ||
125 | #else /* MIT COMPATIBLE */ | ||
126 | for (i = 0; i < length; i++) { | ||
127 | j = str[i]; | ||
128 | if ((i % 32) < 16) { | ||
129 | if ((i % 16) < 8) | ||
130 | (*key1)[i % 8] ^= (j << 1); | ||
131 | else | ||
132 | (*key2)[i % 8] ^= (j << 1); | ||
133 | } else { | ||
134 | j = ((j << 4) & 0xf0)|((j >> 4) & 0x0f); | ||
135 | j = ((j << 2) & 0xcc)|((j >> 2) & 0x33); | ||
136 | j = ((j << 1) & 0xaa)|((j >> 1) & 0x55); | ||
137 | if ((i % 16) < 8) | ||
138 | (*key1)[7 - (i % 8)] ^= j; | ||
139 | else | ||
140 | (*key2)[7 - (i % 8)] ^= j; | ||
141 | } | ||
142 | } | ||
143 | if (length <= 8) | ||
144 | memcpy(key2, key1, 8); | ||
145 | #endif | ||
146 | DES_set_odd_parity(key1); | ||
147 | DES_set_odd_parity(key2); | ||
148 | #ifdef EXPERIMENTAL_STR_TO_STRONG_KEY | ||
149 | if (DES_is_weak_key(key1)) | ||
150 | (*key1)[7] ^= 0xF0; | ||
151 | DES_set_key(key1, &ks); | ||
152 | #else | ||
153 | DES_set_key_unchecked(key1, &ks); | ||
154 | #endif | ||
155 | DES_cbc_cksum((const unsigned char *)str, key1, length, &ks, key1); | ||
156 | #ifdef EXPERIMENTAL_STR_TO_STRONG_KEY | ||
157 | if (DES_is_weak_key(key2)) | ||
158 | (*key2)[7] ^= 0xF0; | ||
159 | DES_set_key(key2, &ks); | ||
160 | #else | ||
161 | DES_set_key_unchecked(key2, &ks); | ||
162 | #endif | ||
163 | DES_cbc_cksum((const unsigned char *)str, key2, length, &ks, key2); | ||
164 | explicit_bzero(&ks, sizeof(ks)); | ||
165 | DES_set_odd_parity(key1); | ||
166 | DES_set_odd_parity(key2); | ||
167 | } | ||
168 | LCRYPTO_ALIAS(DES_string_to_2keys); | ||