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author | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
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committer | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
commit | eb8dd9dca1228af0cd132f515509051ecfabf6f6 (patch) | |
tree | edb6da6af7e865d488dc1a29309f1e1ec226e603 /src/lib/libcrypto/modes/cbc128.c | |
parent | 247f0352e0ed72a4f476db9dc91f4d982bc83eb2 (diff) | |
download | openbsd-tb_20250414.tar.gz openbsd-tb_20250414.tar.bz2 openbsd-tb_20250414.zip |
This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/lib/libcrypto/modes/cbc128.c')
-rw-r--r-- | src/lib/libcrypto/modes/cbc128.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/src/lib/libcrypto/modes/cbc128.c b/src/lib/libcrypto/modes/cbc128.c deleted file mode 100644 index f8ebf79a87..0000000000 --- a/src/lib/libcrypto/modes/cbc128.c +++ /dev/null | |||
@@ -1,214 +0,0 @@ | |||
1 | /* $OpenBSD: cbc128.c,v 1.8 2023/07/08 14:56:54 beck Exp $ */ | ||
2 | /* ==================================================================== | ||
3 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions | ||
7 | * are met: | ||
8 | * | ||
9 | * 1. Redistributions of source code must retain the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer. | ||
11 | * | ||
12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer in | ||
14 | * the documentation and/or other materials provided with the | ||
15 | * distribution. | ||
16 | * | ||
17 | * 3. All advertising materials mentioning features or use of this | ||
18 | * software must display the following acknowledgment: | ||
19 | * "This product includes software developed by the OpenSSL Project | ||
20 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
21 | * | ||
22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
23 | * endorse or promote products derived from this software without | ||
24 | * prior written permission. For written permission, please contact | ||
25 | * openssl-core@openssl.org. | ||
26 | * | ||
27 | * 5. Products derived from this software may not be called "OpenSSL" | ||
28 | * nor may "OpenSSL" appear in their names without prior written | ||
29 | * permission of the OpenSSL Project. | ||
30 | * | ||
31 | * 6. Redistributions of any form whatsoever must retain the following | ||
32 | * acknowledgment: | ||
33 | * "This product includes software developed by the OpenSSL Project | ||
34 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
35 | * | ||
36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
48 | * ==================================================================== | ||
49 | * | ||
50 | */ | ||
51 | |||
52 | #include <openssl/crypto.h> | ||
53 | #include "modes_local.h" | ||
54 | #include <string.h> | ||
55 | |||
56 | #ifndef MODES_DEBUG | ||
57 | # ifndef NDEBUG | ||
58 | # define NDEBUG | ||
59 | # endif | ||
60 | #endif | ||
61 | |||
62 | #undef STRICT_ALIGNMENT | ||
63 | #ifdef __STRICT_ALIGNMENT | ||
64 | #define STRICT_ALIGNMENT 1 | ||
65 | #else | ||
66 | #define STRICT_ALIGNMENT 0 | ||
67 | #endif | ||
68 | |||
69 | void | ||
70 | CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out, | ||
71 | size_t len, const void *key, | ||
72 | unsigned char ivec[16], block128_f block) | ||
73 | { | ||
74 | size_t n; | ||
75 | const unsigned char *iv = ivec; | ||
76 | |||
77 | #if !defined(OPENSSL_SMALL_FOOTPRINT) | ||
78 | if (STRICT_ALIGNMENT && | ||
79 | ((size_t)in|(size_t)out|(size_t)ivec) % sizeof(size_t) != 0) { | ||
80 | while (len >= 16) { | ||
81 | for (n = 0; n < 16; ++n) | ||
82 | out[n] = in[n] ^ iv[n]; | ||
83 | (*block)(out, out, key); | ||
84 | iv = out; | ||
85 | len -= 16; | ||
86 | in += 16; | ||
87 | out += 16; | ||
88 | } | ||
89 | } else { | ||
90 | while (len >= 16) { | ||
91 | for (n = 0; n < 16; n += sizeof(size_t)) | ||
92 | *(size_t *)(out + n) = | ||
93 | *(size_t *)(in + n) ^ *(size_t *)(iv + n); | ||
94 | (*block)(out, out, key); | ||
95 | iv = out; | ||
96 | len -= 16; | ||
97 | in += 16; | ||
98 | out += 16; | ||
99 | } | ||
100 | } | ||
101 | #endif | ||
102 | while (len) { | ||
103 | for (n = 0; n < 16 && n < len; ++n) | ||
104 | out[n] = in[n] ^ iv[n]; | ||
105 | for (; n < 16; ++n) | ||
106 | out[n] = iv[n]; | ||
107 | (*block)(out, out, key); | ||
108 | iv = out; | ||
109 | if (len <= 16) | ||
110 | break; | ||
111 | len -= 16; | ||
112 | in += 16; | ||
113 | out += 16; | ||
114 | } | ||
115 | memmove(ivec, iv, 16); | ||
116 | } | ||
117 | LCRYPTO_ALIAS(CRYPTO_cbc128_encrypt); | ||
118 | |||
119 | void | ||
120 | CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out, | ||
121 | size_t len, const void *key, | ||
122 | unsigned char ivec[16], block128_f block) | ||
123 | { | ||
124 | size_t n; | ||
125 | union { | ||
126 | size_t t[16/sizeof(size_t)]; | ||
127 | unsigned char c[16]; | ||
128 | } tmp; | ||
129 | |||
130 | #if !defined(OPENSSL_SMALL_FOOTPRINT) | ||
131 | if (in != out) { | ||
132 | const unsigned char *iv = ivec; | ||
133 | |||
134 | if (STRICT_ALIGNMENT && | ||
135 | ((size_t)in|(size_t)out|(size_t)ivec) % sizeof(size_t) != | ||
136 | 0) { | ||
137 | while (len >= 16) { | ||
138 | (*block)(in, out, key); | ||
139 | for (n = 0; n < 16; ++n) | ||
140 | out[n] ^= iv[n]; | ||
141 | iv = in; | ||
142 | len -= 16; | ||
143 | in += 16; | ||
144 | out += 16; | ||
145 | } | ||
146 | } else if (16 % sizeof(size_t) == 0) { /* always true */ | ||
147 | while (len >= 16) { | ||
148 | size_t *out_t = (size_t *)out, | ||
149 | *iv_t = (size_t *)iv; | ||
150 | |||
151 | (*block)(in, out, key); | ||
152 | for (n = 0; n < 16/sizeof(size_t); n++) | ||
153 | out_t[n] ^= iv_t[n]; | ||
154 | iv = in; | ||
155 | len -= 16; | ||
156 | in += 16; | ||
157 | out += 16; | ||
158 | } | ||
159 | } | ||
160 | memmove(ivec, iv, 16); | ||
161 | } else { | ||
162 | if (STRICT_ALIGNMENT && | ||
163 | ((size_t)in|(size_t)out|(size_t)ivec) % sizeof(size_t) != | ||
164 | 0) { | ||
165 | unsigned char c; | ||
166 | while (len >= 16) { | ||
167 | (*block)(in, tmp.c, key); | ||
168 | for (n = 0; n < 16; ++n) { | ||
169 | c = in[n]; | ||
170 | out[n] = tmp.c[n] ^ ivec[n]; | ||
171 | ivec[n] = c; | ||
172 | } | ||
173 | len -= 16; | ||
174 | in += 16; | ||
175 | out += 16; | ||
176 | } | ||
177 | } else if (16 % sizeof(size_t) == 0) { /* always true */ | ||
178 | while (len >= 16) { | ||
179 | size_t c, *out_t = (size_t *)out, | ||
180 | *ivec_t = (size_t *)ivec; | ||
181 | const size_t *in_t = (const size_t *)in; | ||
182 | |||
183 | (*block)(in, tmp.c, key); | ||
184 | for (n = 0; n < 16/sizeof(size_t); n++) { | ||
185 | c = in_t[n]; | ||
186 | out_t[n] = tmp.t[n] ^ ivec_t[n]; | ||
187 | ivec_t[n] = c; | ||
188 | } | ||
189 | len -= 16; | ||
190 | in += 16; | ||
191 | out += 16; | ||
192 | } | ||
193 | } | ||
194 | } | ||
195 | #endif | ||
196 | while (len) { | ||
197 | unsigned char c; | ||
198 | (*block)(in, tmp.c, key); | ||
199 | for (n = 0; n < 16 && n < len; ++n) { | ||
200 | c = in[n]; | ||
201 | out[n] = tmp.c[n] ^ ivec[n]; | ||
202 | ivec[n] = c; | ||
203 | } | ||
204 | if (len <= 16) { | ||
205 | for (; n < 16; ++n) | ||
206 | ivec[n] = in[n]; | ||
207 | break; | ||
208 | } | ||
209 | len -= 16; | ||
210 | in += 16; | ||
211 | out += 16; | ||
212 | } | ||
213 | } | ||
214 | LCRYPTO_ALIAS(CRYPTO_cbc128_decrypt); | ||