Branch data Line data Source code
1 : : /* crypto/evp/e_seed.c -*- mode:C; c-file-style: "eay" -*- */
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
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 : : * 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
58 : : #include <openssl/evp.h>
59 : : #include <openssl/err.h>
60 : : #include <string.h>
61 : : #include <assert.h>
62 : : #include <openssl/seed.h>
63 : : #include "evp_locl.h"
64 : :
65 : : static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc);
66 : :
67 : : typedef struct
68 : : {
69 : : SEED_KEY_SCHEDULE ks;
70 : : } EVP_SEED_KEY;
71 : :
72 [ - + ][ + - ]: 4993 : IMPLEMENT_BLOCK_CIPHER(seed, ks, SEED, EVP_SEED_KEY, NID_seed,
[ + - ][ + + ]
[ + - ][ + - ]
[ + + ][ - + ]
[ + - ]
73 : : 16, 16, 16, 128,
74 : : 0, seed_init_key, 0, 0, 0, 0)
75 : :
76 : 72 : static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
77 : : const unsigned char *iv, int enc)
78 : : {
79 : 72 : SEED_set_key(key, ctx->cipher_data);
80 : 72 : return 1;
81 : : }
82 : :
83 : : #endif
|
