e_seed.c

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/* crypto/evp/e_seed.c -*- mode:C; c-file-style: "eay" -*- */
/* ====================================================================
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 * This product includes cryptographic software written by Eric Young
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 * Hudson ([email protected]).
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 */

#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_SEED
#include <openssl/evp.h>
#include <openssl/err.h>
#include <string.h>
#include <assert.h>
#include <openssl/seed.h>
#include "evp_locl.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,
                       0, 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, ctx->cipher_data);
    return 1;
    }

#endif