openssl/crypto/evp/e_seed.c

40 lines
1.1 KiB
C

/*
* Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/opensslconf.h>
#ifdef OPENSSL_NO_SEED
NON_EMPTY_TRANSLATION_UNIT
#else
# include <openssl/evp.h>
# include <openssl/err.h>
# include <string.h>
# include <assert.h>
# include <openssl/seed.h>
# include "crypto/evp.h"
static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc);
typedef struct {
SEED_KEY_SCHEDULE ks;
} EVP_SEED_KEY;
IMPLEMENT_BLOCK_CIPHER(seed, ks, SEED, EVP_SEED_KEY, NID_seed,
16, 16, 16, 128, EVP_CIPH_FLAG_DEFAULT_ASN1,
seed_init_key, 0, 0, 0, 0)
static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
SEED_set_key(key, &EVP_C_DATA(EVP_SEED_KEY,ctx)->ks);
return 1;
}
#endif