Following the license change, modify the boilerplates in crypto/evp/
[openssl.git] / crypto / evp / e_seed.c
1 /*
2  * Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9
10 #include <openssl/opensslconf.h>
11 #ifdef OPENSSL_NO_SEED
12 NON_EMPTY_TRANSLATION_UNIT
13 #else
14 # include <openssl/evp.h>
15 # include <openssl/err.h>
16 # include <string.h>
17 # include <assert.h>
18 # include <openssl/seed.h>
19 # include "internal/evp_int.h"
20
21 static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
22                          const unsigned char *iv, int enc);
23
24 typedef struct {
25     SEED_KEY_SCHEDULE ks;
26 } EVP_SEED_KEY;
27
28 IMPLEMENT_BLOCK_CIPHER(seed, ks, SEED, EVP_SEED_KEY, NID_seed,
29                        16, 16, 16, 128, EVP_CIPH_FLAG_DEFAULT_ASN1,
30                        seed_init_key, 0, 0, 0, 0)
31
32 static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
33                          const unsigned char *iv, int enc)
34 {
35     SEED_set_key(key, &EVP_C_DATA(EVP_SEED_KEY,ctx)->ks);
36     return 1;
37 }
38
39 #endif