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Diffstat (limited to 'src/lib/libcrypto/evp/e_aes.c')
-rw-r--r-- | src/lib/libcrypto/evp/e_aes.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/lib/libcrypto/evp/e_aes.c b/src/lib/libcrypto/evp/e_aes.c new file mode 100644 index 0000000000..9d03a9602f --- /dev/null +++ b/src/lib/libcrypto/evp/e_aes.c | |||
@@ -0,0 +1,99 @@ | |||
1 | /* ==================================================================== | ||
2 | * Copyright (c) 2001 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 | #ifndef OPENSSL_NO_AES | ||
52 | #include <openssl/evp.h> | ||
53 | #include <openssl/err.h> | ||
54 | #include <string.h> | ||
55 | #include <assert.h> | ||
56 | #include <openssl/aes.h> | ||
57 | #include "evp_locl.h" | ||
58 | |||
59 | static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, | ||
60 | const unsigned char *iv, int enc); | ||
61 | |||
62 | typedef struct | ||
63 | { | ||
64 | AES_KEY ks; | ||
65 | } EVP_AES_KEY; | ||
66 | |||
67 | #define data(ctx) EVP_C_DATA(EVP_AES_KEY,ctx) | ||
68 | |||
69 | IMPLEMENT_BLOCK_CIPHER(aes_128, ks, AES, EVP_AES_KEY, | ||
70 | NID_aes_128, 16, 16, 16, 128, | ||
71 | 0, aes_init_key, NULL, | ||
72 | EVP_CIPHER_set_asn1_iv, | ||
73 | EVP_CIPHER_get_asn1_iv, | ||
74 | NULL) | ||
75 | IMPLEMENT_BLOCK_CIPHER(aes_192, ks, AES, EVP_AES_KEY, | ||
76 | NID_aes_192, 16, 24, 16, 128, | ||
77 | 0, aes_init_key, NULL, | ||
78 | EVP_CIPHER_set_asn1_iv, | ||
79 | EVP_CIPHER_get_asn1_iv, | ||
80 | NULL) | ||
81 | IMPLEMENT_BLOCK_CIPHER(aes_256, ks, AES, EVP_AES_KEY, | ||
82 | NID_aes_256, 16, 32, 16, 128, | ||
83 | 0, aes_init_key, NULL, | ||
84 | EVP_CIPHER_set_asn1_iv, | ||
85 | EVP_CIPHER_get_asn1_iv, | ||
86 | NULL) | ||
87 | |||
88 | static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, | ||
89 | const unsigned char *iv, int enc) { | ||
90 | |||
91 | if (enc) | ||
92 | AES_set_encrypt_key(key, ctx->key_len * 8, ctx->cipher_data); | ||
93 | else | ||
94 | AES_set_decrypt_key(key, ctx->key_len * 8, ctx->cipher_data); | ||
95 | |||
96 | return 1; | ||
97 | } | ||
98 | |||
99 | #endif | ||