diff options
Diffstat (limited to 'src/lib/libcrypto/modes/cbc128.c')
-rw-r--r-- | src/lib/libcrypto/modes/cbc128.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/src/lib/libcrypto/modes/cbc128.c b/src/lib/libcrypto/modes/cbc128.c deleted file mode 100644 index fe45103b0c..0000000000 --- a/src/lib/libcrypto/modes/cbc128.c +++ /dev/null | |||
@@ -1,202 +0,0 @@ | |||
1 | /* $OpenBSD: cbc128.c,v 1.4 2015/02/10 09:46:30 miod 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_lcl.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 CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out, | ||
70 | size_t len, const void *key, | ||
71 | unsigned char ivec[16], block128_f block) | ||
72 | { | ||
73 | size_t n; | ||
74 | const unsigned char *iv = ivec; | ||
75 | |||
76 | #if !defined(OPENSSL_SMALL_FOOTPRINT) | ||
77 | if (STRICT_ALIGNMENT && | ||
78 | ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) { | ||
79 | while (len>=16) { | ||
80 | for(n=0; n<16; ++n) | ||
81 | out[n] = in[n] ^ iv[n]; | ||
82 | (*block)(out, out, key); | ||
83 | iv = out; | ||
84 | len -= 16; | ||
85 | in += 16; | ||
86 | out += 16; | ||
87 | } | ||
88 | } else { | ||
89 | while (len>=16) { | ||
90 | for(n=0; n<16; n+=sizeof(size_t)) | ||
91 | *(size_t*)(out+n) = | ||
92 | *(size_t*)(in+n) ^ *(size_t*)(iv+n); | ||
93 | (*block)(out, out, key); | ||
94 | iv = out; | ||
95 | len -= 16; | ||
96 | in += 16; | ||
97 | out += 16; | ||
98 | } | ||
99 | } | ||
100 | #endif | ||
101 | while (len) { | ||
102 | for(n=0; n<16 && n<len; ++n) | ||
103 | out[n] = in[n] ^ iv[n]; | ||
104 | for(; n<16; ++n) | ||
105 | out[n] = iv[n]; | ||
106 | (*block)(out, out, key); | ||
107 | iv = out; | ||
108 | if (len<=16) break; | ||
109 | len -= 16; | ||
110 | in += 16; | ||
111 | out += 16; | ||
112 | } | ||
113 | memcpy(ivec,iv,16); | ||
114 | } | ||
115 | |||
116 | void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out, | ||
117 | size_t len, const void *key, | ||
118 | unsigned char ivec[16], block128_f block) | ||
119 | { | ||
120 | size_t n; | ||
121 | union { size_t t[16/sizeof(size_t)]; unsigned char c[16]; } tmp; | ||
122 | |||
123 | #if !defined(OPENSSL_SMALL_FOOTPRINT) | ||
124 | if (in != out) { | ||
125 | const unsigned char *iv = ivec; | ||
126 | |||
127 | if (STRICT_ALIGNMENT && | ||
128 | ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) { | ||
129 | while (len>=16) { | ||
130 | (*block)(in, out, key); | ||
131 | for(n=0; n<16; ++n) | ||
132 | out[n] ^= iv[n]; | ||
133 | iv = in; | ||
134 | len -= 16; | ||
135 | in += 16; | ||
136 | out += 16; | ||
137 | } | ||
138 | } else if (16%sizeof(size_t) == 0) { /* always true */ | ||
139 | while (len>=16) { | ||
140 | size_t *out_t=(size_t *)out, *iv_t=(size_t *)iv; | ||
141 | |||
142 | (*block)(in, out, key); | ||
143 | for(n=0; n<16/sizeof(size_t); n++) | ||
144 | out_t[n] ^= iv_t[n]; | ||
145 | iv = in; | ||
146 | len -= 16; | ||
147 | in += 16; | ||
148 | out += 16; | ||
149 | } | ||
150 | } | ||
151 | memcpy(ivec,iv,16); | ||
152 | } else { | ||
153 | if (STRICT_ALIGNMENT && | ||
154 | ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) { | ||
155 | unsigned char c; | ||
156 | while (len>=16) { | ||
157 | (*block)(in, tmp.c, key); | ||
158 | for(n=0; n<16; ++n) { | ||
159 | c = in[n]; | ||
160 | out[n] = tmp.c[n] ^ ivec[n]; | ||
161 | ivec[n] = c; | ||
162 | } | ||
163 | len -= 16; | ||
164 | in += 16; | ||
165 | out += 16; | ||
166 | } | ||
167 | } else if (16%sizeof(size_t) == 0) { /* always true */ | ||
168 | while (len>=16) { | ||
169 | size_t c, *out_t=(size_t *)out, *ivec_t=(size_t *)ivec; | ||
170 | const size_t *in_t=(const size_t *)in; | ||
171 | |||
172 | (*block)(in, tmp.c, key); | ||
173 | for(n=0; n<16/sizeof(size_t); n++) { | ||
174 | c = in_t[n]; | ||
175 | out_t[n] = tmp.t[n] ^ ivec_t[n]; | ||
176 | ivec_t[n] = c; | ||
177 | } | ||
178 | len -= 16; | ||
179 | in += 16; | ||
180 | out += 16; | ||
181 | } | ||
182 | } | ||
183 | } | ||
184 | #endif | ||
185 | while (len) { | ||
186 | unsigned char c; | ||
187 | (*block)(in, tmp.c, key); | ||
188 | for(n=0; n<16 && n<len; ++n) { | ||
189 | c = in[n]; | ||
190 | out[n] = tmp.c[n] ^ ivec[n]; | ||
191 | ivec[n] = c; | ||
192 | } | ||
193 | if (len<=16) { | ||
194 | for (; n<16; ++n) | ||
195 | ivec[n] = in[n]; | ||
196 | break; | ||
197 | } | ||
198 | len -= 16; | ||
199 | in += 16; | ||
200 | out += 16; | ||
201 | } | ||
202 | } | ||