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
12NON_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 "crypto/evp.h"
20
21static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
22 const unsigned char *iv, int enc);
23
24typedef struct {
25 SEED_KEY_SCHEDULE ks;
26} EVP_SEED_KEY;
27
28IMPLEMENT_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
32static 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
40