1 /*
2 * Copyright 2007-2020 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 /*
11 * SEED low level APIs are deprecated for public use, but still ok for
12 * internal use.
13 */
14 #include "internal/deprecated.h"
15
16 #include <openssl/opensslconf.h>
17 #include <openssl/evp.h>
18 #include <openssl/err.h>
19 #include <string.h>
20 #include <assert.h>
21 #include <openssl/seed.h>
22 #include "crypto/evp.h"
23 #include "evp_local.h"
24
25 static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
26 const unsigned char *iv, int enc);
27
28 typedef struct {
29 SEED_KEY_SCHEDULE ks;
30 } EVP_SEED_KEY;
31
32 IMPLEMENT_BLOCK_CIPHER(seed, ks, SEED, EVP_SEED_KEY, NID_seed,
33 16, 16, 16, 128, EVP_CIPH_FLAG_DEFAULT_ASN1,
34 seed_init_key, 0, 0, 0, 0)
35
seed_init_key(EVP_CIPHER_CTX * ctx,const unsigned char * key,const unsigned char * iv,int enc)36 static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
37 const unsigned char *iv, int enc)
38 {
39 SEED_set_key(key, &EVP_C_DATA(EVP_SEED_KEY, ctx)->ks);
40 return 1;
41 }
42
