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author | cvs2svn <admin@example.com> | 2012-07-13 17:49:55 +0000 |
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committer | cvs2svn <admin@example.com> | 2012-07-13 17:49:55 +0000 |
commit | 6fdb436ab2cd5b35066babb3a03be7ad0daf1ae2 (patch) | |
tree | a760cf389e7ea59961bb306a1f50bf5443205176 /src/lib/libcrypto/modes/cbc128.c | |
parent | 9204e59073bcf27e1487ec4ac46e981902ddd904 (diff) | |
download | openbsd-OPENBSD_5_2_BASE.tar.gz openbsd-OPENBSD_5_2_BASE.tar.bz2 openbsd-OPENBSD_5_2_BASE.zip |
This commit was manufactured by cvs2git to create tag 'OPENBSD_5_2_BASE'.OPENBSD_5_2_BASE
Diffstat (limited to 'src/lib/libcrypto/modes/cbc128.c')
-rw-r--r-- | src/lib/libcrypto/modes/cbc128.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/lib/libcrypto/modes/cbc128.c b/src/lib/libcrypto/modes/cbc128.c deleted file mode 100644 index 8f8bd563b9..0000000000 --- a/src/lib/libcrypto/modes/cbc128.c +++ /dev/null | |||
@@ -1,206 +0,0 @@ | |||
1 | /* ==================================================================== | ||
2 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. | ||
3 | * | ||
4 | * Redistribution and use in source and binary forms, with or without | ||
5 | * modification, are permitted provided that the following conditions | ||
6 | * are met: | ||
7 | * | ||
8 | * 1. Redistributions of source code must retain the above copyright | ||
9 | * notice, this list of conditions and the following disclaimer. | ||
10 | * | ||
11 | * 2. Redistributions in binary form must reproduce the above copyright | ||
12 | * notice, this list of conditions and the following disclaimer in | ||
13 | * the documentation and/or other materials provided with the | ||
14 | * distribution. | ||
15 | * | ||
16 | * 3. All advertising materials mentioning features or use of this | ||
17 | * software must display the following acknowledgment: | ||
18 | * "This product includes software developed by the OpenSSL Project | ||
19 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
20 | * | ||
21 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
22 | * endorse or promote products derived from this software without | ||
23 | * prior written permission. For written permission, please contact | ||
24 | * openssl-core@openssl.org. | ||
25 | * | ||
26 | * 5. Products derived from this software may not be called "OpenSSL" | ||
27 | * nor may "OpenSSL" appear in their names without prior written | ||
28 | * permission of the OpenSSL Project. | ||
29 | * | ||
30 | * 6. Redistributions of any form whatsoever must retain the following | ||
31 | * acknowledgment: | ||
32 | * "This product includes software developed by the OpenSSL Project | ||
33 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
34 | * | ||
35 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
36 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
37 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
38 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
41 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
42 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
43 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
44 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
45 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
46 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
47 | * ==================================================================== | ||
48 | * | ||
49 | */ | ||
50 | |||
51 | #include "modes.h" | ||
52 | #include <string.h> | ||
53 | |||
54 | #ifndef MODES_DEBUG | ||
55 | # ifndef NDEBUG | ||
56 | # define NDEBUG | ||
57 | # endif | ||
58 | #endif | ||
59 | #include <assert.h> | ||
60 | |||
61 | #define STRICT_ALIGNMENT 1 | ||
62 | #if defined(__i386) || defined(__i386__) || \ | ||
63 | defined(__x86_64) || defined(__x86_64__) || \ | ||
64 | defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64) || \ | ||
65 | defined(__s390__) || defined(__s390x__) | ||
66 | # undef STRICT_ALIGNMENT | ||
67 | # define STRICT_ALIGNMENT 0 | ||
68 | #endif | ||
69 | |||
70 | void 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 | assert(in && out && key && ivec); | ||
78 | |||
79 | #if !defined(OPENSSL_SMALL_FOOTPRINT) | ||
80 | if (STRICT_ALIGNMENT && | ||
81 | ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) { | ||
82 | while (len>=16) { | ||
83 | for(n=0; n<16; ++n) | ||
84 | out[n] = in[n] ^ iv[n]; | ||
85 | (*block)(out, out, key); | ||
86 | iv = out; | ||
87 | len -= 16; | ||
88 | in += 16; | ||
89 | out += 16; | ||
90 | } | ||
91 | } else { | ||
92 | while (len>=16) { | ||
93 | for(n=0; n<16; n+=sizeof(size_t)) | ||
94 | *(size_t*)(out+n) = | ||
95 | *(size_t*)(in+n) ^ *(size_t*)(iv+n); | ||
96 | (*block)(out, out, key); | ||
97 | iv = out; | ||
98 | len -= 16; | ||
99 | in += 16; | ||
100 | out += 16; | ||
101 | } | ||
102 | } | ||
103 | #endif | ||
104 | while (len) { | ||
105 | for(n=0; n<16 && n<len; ++n) | ||
106 | out[n] = in[n] ^ iv[n]; | ||
107 | for(; n<16; ++n) | ||
108 | out[n] = iv[n]; | ||
109 | (*block)(out, out, key); | ||
110 | iv = out; | ||
111 | if (len<=16) break; | ||
112 | len -= 16; | ||
113 | in += 16; | ||
114 | out += 16; | ||
115 | } | ||
116 | memcpy(ivec,iv,16); | ||
117 | } | ||
118 | |||
119 | void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out, | ||
120 | size_t len, const void *key, | ||
121 | unsigned char ivec[16], block128_f block) | ||
122 | { | ||
123 | size_t n; | ||
124 | union { size_t align; unsigned char c[16]; } tmp; | ||
125 | |||
126 | assert(in && out && key && ivec); | ||
127 | |||
128 | #if !defined(OPENSSL_SMALL_FOOTPRINT) | ||
129 | if (in != out) { | ||
130 | const unsigned char *iv = ivec; | ||
131 | |||
132 | if (STRICT_ALIGNMENT && | ||
133 | ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) { | ||
134 | while (len>=16) { | ||
135 | (*block)(in, out, key); | ||
136 | for(n=0; n<16; ++n) | ||
137 | out[n] ^= iv[n]; | ||
138 | iv = in; | ||
139 | len -= 16; | ||
140 | in += 16; | ||
141 | out += 16; | ||
142 | } | ||
143 | } | ||
144 | else { | ||
145 | while (len>=16) { | ||
146 | (*block)(in, out, key); | ||
147 | for(n=0; n<16; n+=sizeof(size_t)) | ||
148 | *(size_t *)(out+n) ^= *(size_t *)(iv+n); | ||
149 | iv = in; | ||
150 | len -= 16; | ||
151 | in += 16; | ||
152 | out += 16; | ||
153 | } | ||
154 | } | ||
155 | memcpy(ivec,iv,16); | ||
156 | } else { | ||
157 | if (STRICT_ALIGNMENT && | ||
158 | ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) { | ||
159 | unsigned char c; | ||
160 | while (len>=16) { | ||
161 | (*block)(in, tmp.c, key); | ||
162 | for(n=0; n<16; ++n) { | ||
163 | c = in[n]; | ||
164 | out[n] = tmp.c[n] ^ ivec[n]; | ||
165 | ivec[n] = c; | ||
166 | } | ||
167 | len -= 16; | ||
168 | in += 16; | ||
169 | out += 16; | ||
170 | } | ||
171 | } | ||
172 | else { | ||
173 | size_t c; | ||
174 | while (len>=16) { | ||
175 | (*block)(in, tmp.c, key); | ||
176 | for(n=0; n<16; n+=sizeof(size_t)) { | ||
177 | c = *(size_t *)(in+n); | ||
178 | *(size_t *)(out+n) = | ||
179 | *(size_t *)(tmp.c+n) ^ *(size_t *)(ivec+n); | ||
180 | *(size_t *)(ivec+n) = c; | ||
181 | } | ||
182 | len -= 16; | ||
183 | in += 16; | ||
184 | out += 16; | ||
185 | } | ||
186 | } | ||
187 | } | ||
188 | #endif | ||
189 | while (len) { | ||
190 | unsigned char c; | ||
191 | (*block)(in, tmp.c, key); | ||
192 | for(n=0; n<16 && n<len; ++n) { | ||
193 | c = in[n]; | ||
194 | out[n] = tmp.c[n] ^ ivec[n]; | ||
195 | ivec[n] = c; | ||
196 | } | ||
197 | if (len<=16) { | ||
198 | for (; n<16; ++n) | ||
199 | ivec[n] = in[n]; | ||
200 | break; | ||
201 | } | ||
202 | len -= 16; | ||
203 | in += 16; | ||
204 | out += 16; | ||
205 | } | ||
206 | } | ||