diff options
Diffstat (limited to 'src/lib/libcrypto/aes/aes_cbc.c')
-rw-r--r-- | src/lib/libcrypto/aes/aes_cbc.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/src/lib/libcrypto/aes/aes_cbc.c b/src/lib/libcrypto/aes/aes_cbc.c deleted file mode 100644 index 86b27b10d6..0000000000 --- a/src/lib/libcrypto/aes/aes_cbc.c +++ /dev/null | |||
@@ -1,111 +0,0 @@ | |||
1 | /* crypto/aes/aes_cbc.c -*- mode:C; c-file-style: "eay" -*- */ | ||
2 | /* ==================================================================== | ||
3 | * Copyright (c) 1998-2002 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 | #ifndef AES_DEBUG | ||
53 | # ifndef NDEBUG | ||
54 | # define NDEBUG | ||
55 | # endif | ||
56 | #endif | ||
57 | #include <assert.h> | ||
58 | |||
59 | #include <openssl/aes.h> | ||
60 | #include "aes_locl.h" | ||
61 | |||
62 | void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, | ||
63 | const unsigned long length, const AES_KEY *key, | ||
64 | unsigned char *ivec, const int enc) { | ||
65 | |||
66 | unsigned long n; | ||
67 | unsigned long len = length; | ||
68 | unsigned char tmp[AES_BLOCK_SIZE]; | ||
69 | |||
70 | assert(in && out && key && ivec); | ||
71 | assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc)); | ||
72 | |||
73 | if (AES_ENCRYPT == enc) { | ||
74 | while (len >= AES_BLOCK_SIZE) { | ||
75 | for(n=0; n < AES_BLOCK_SIZE; ++n) | ||
76 | tmp[n] = in[n] ^ ivec[n]; | ||
77 | AES_encrypt(tmp, out, key); | ||
78 | memcpy(ivec, out, AES_BLOCK_SIZE); | ||
79 | len -= AES_BLOCK_SIZE; | ||
80 | in += AES_BLOCK_SIZE; | ||
81 | out += AES_BLOCK_SIZE; | ||
82 | } | ||
83 | if (len) { | ||
84 | for(n=0; n < len; ++n) | ||
85 | tmp[n] = in[n] ^ ivec[n]; | ||
86 | for(n=len; n < AES_BLOCK_SIZE; ++n) | ||
87 | tmp[n] = ivec[n]; | ||
88 | AES_encrypt(tmp, tmp, key); | ||
89 | memcpy(out, tmp, AES_BLOCK_SIZE); | ||
90 | memcpy(ivec, tmp, AES_BLOCK_SIZE); | ||
91 | } | ||
92 | } else { | ||
93 | while (len >= AES_BLOCK_SIZE) { | ||
94 | memcpy(tmp, in, AES_BLOCK_SIZE); | ||
95 | AES_decrypt(in, out, key); | ||
96 | for(n=0; n < AES_BLOCK_SIZE; ++n) | ||
97 | out[n] ^= ivec[n]; | ||
98 | memcpy(ivec, tmp, AES_BLOCK_SIZE); | ||
99 | len -= AES_BLOCK_SIZE; | ||
100 | in += AES_BLOCK_SIZE; | ||
101 | out += AES_BLOCK_SIZE; | ||
102 | } | ||
103 | if (len) { | ||
104 | memcpy(tmp, in, AES_BLOCK_SIZE); | ||
105 | AES_decrypt(tmp, tmp, key); | ||
106 | for(n=0; n < len; ++n) | ||
107 | out[n] ^= ivec[n]; | ||
108 | memcpy(ivec, tmp, AES_BLOCK_SIZE); | ||
109 | } | ||
110 | } | ||
111 | } | ||