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 cast cipher modes ecb, cbc, ofb, cfb */
11
12#include "cipher_cast.h"
13#include "prov/implementations.h"
14#include "prov/providercommonerr.h"
15
16#define CAST5_FLAGS (EVP_CIPH_VARIABLE_LENGTH)
17
18static OSSL_OP_cipher_freectx_fn cast5_freectx;
19static OSSL_OP_cipher_dupctx_fn cast5_dupctx;
20
21static void cast5_freectx(void *vctx)
22{
23 PROV_CAST_CTX *ctx = (PROV_CAST_CTX *)vctx;
24
25 OPENSSL_clear_free(ctx, sizeof(*ctx));
26}
27
28static void *cast5_dupctx(void *ctx)
29{
30 PROV_CAST_CTX *in = (PROV_CAST_CTX *)ctx;
31 PROV_CAST_CTX *ret = OPENSSL_malloc(sizeof(*ret));
32
33 if (ret == NULL) {
34 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
35 return NULL;
36 }
37 *ret = *in;
38
39 return ret;
40}
41
42/* cast5128ecb_functions */
43IMPLEMENT_var_keylen_cipher(cast5, CAST, ecb, ECB, CAST5_FLAGS, 128, 64, 0, block)
44/* cast5128cbc_functions */
45IMPLEMENT_var_keylen_cipher(cast5, CAST, cbc, CBC, CAST5_FLAGS, 128, 64, 64, block)
46/* cast564ofb64_functions */
47IMPLEMENT_var_keylen_cipher(cast5, CAST, ofb64, OFB, CAST5_FLAGS, 64, 8, 64, stream)
48/* cast564cfb64_functions */
49IMPLEMENT_var_keylen_cipher(cast5, CAST, cfb64, CFB, CAST5_FLAGS, 64, 8, 64, stream)
50