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31384753 | 1 | /* crypto/evp/e_seed.c */ |
96afc1cf BM |
2 | /* ==================================================================== |
3 | * Copyright (c) 2007 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 | |
0f113f3e | 10 | * notice, this list of conditions and the following disclaimer. |
96afc1cf BM |
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 | * This product includes cryptographic software written by Eric Young | |
51 | * (eay@cryptsoft.com). This product includes software written by Tim | |
52 | * Hudson (tjh@cryptsoft.com). | |
53 | * | |
54 | */ | |
55 | ||
56 | #include <openssl/opensslconf.h> | |
57 | #ifndef OPENSSL_NO_SEED | |
0f113f3e MC |
58 | # include <openssl/evp.h> |
59 | # include <openssl/err.h> | |
60 | # include <string.h> | |
61 | # include <assert.h> | |
62 | # include <openssl/seed.h> | |
6435f0f6 | 63 | # include "internal/evp_int.h" |
96afc1cf | 64 | |
0f113f3e MC |
65 | static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, |
66 | const unsigned char *iv, int enc); | |
96afc1cf | 67 | |
0f113f3e MC |
68 | typedef struct { |
69 | SEED_KEY_SCHEDULE ks; | |
70 | } EVP_SEED_KEY; | |
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71 | |
72 | IMPLEMENT_BLOCK_CIPHER(seed, ks, SEED, EVP_SEED_KEY, NID_seed, | |
0f113f3e | 73 | 16, 16, 16, 128, 0, seed_init_key, 0, 0, 0, 0) |
96afc1cf BM |
74 | |
75 | static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, | |
76 | const unsigned char *iv, int enc) | |
0f113f3e | 77 | { |
6435f0f6 | 78 | SEED_set_key(key, &EVP_C_DATA(EVP_SEED_KEY,ctx)->ks); |
0f113f3e MC |
79 | return 1; |
80 | } | |
96afc1cf BM |
81 | |
82 | #endif |