1/*
2 * Copyright 2019 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/* Dispatch functions for Seed cipher modes ecb, cbc, ofb, cfb */
11
12#include "cipher_seed.h"
13#include "prov/implementations.h"
14
15static OSSL_OP_cipher_freectx_fn seed_freectx;
16static OSSL_OP_cipher_dupctx_fn seed_dupctx;
17
18static void seed_freectx(void *vctx)
19{
20 PROV_SEED_CTX *ctx = (PROV_SEED_CTX *)vctx;
21
22 OPENSSL_clear_free(ctx, sizeof(*ctx));
23}
24
25static void *seed_dupctx(void *ctx)
26{
27 PROV_SEED_CTX *in = (PROV_SEED_CTX *)ctx;
28 PROV_SEED_CTX *ret = OPENSSL_malloc(sizeof(*ret));
29
30 if (ret == NULL) {
31 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
32 return NULL;
33 }
34 *ret = *in;
35
36 return ret;
37}
38
39/* seed128ecb_functions */
40IMPLEMENT_generic_cipher(seed, SEED, ecb, ECB, 0, 128, 128, 0, block)
41/* seed128cbc_functions */
42IMPLEMENT_generic_cipher(seed, SEED, cbc, CBC, 0, 128, 128, 128, block)
43/* seed128ofb128_functions */
44IMPLEMENT_generic_cipher(seed, SEED, ofb128, OFB, 0, 128, 8, 128, stream)
45/* seed128cfb128_functions */
46IMPLEMENT_generic_cipher(seed, SEED, cfb128, CFB, 0, 128, 8, 128, stream)
47