2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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
10 /* Dispatch functions for cast cipher modes ecb, cbc, ofb, cfb */
12 #include "cipher_cast.h"
13 #include "internal/provider_algs.h"
15 static OSSL_OP_cipher_freectx_fn cast5_freectx;
16 static OSSL_OP_cipher_dupctx_fn cast5_dupctx;
18 static void cast5_freectx(void *vctx)
20 PROV_CAST_CTX *ctx = (PROV_CAST_CTX *)vctx;
22 OPENSSL_clear_free(ctx, sizeof(*ctx));
25 static void *cast5_dupctx(void *ctx)
27 PROV_CAST_CTX *in = (PROV_CAST_CTX *)ctx;
28 PROV_CAST_CTX *ret = OPENSSL_malloc(sizeof(*ret));
31 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
39 /* cast5128ecb_functions */
40 IMPLEMENT_generic_cipher(cast5, CAST, ecb, ECB, EVP_CIPH_VARIABLE_LENGTH, 128, 64, 0, block)
41 /* cast5128cbc_functions */
42 IMPLEMENT_generic_cipher(cast5, CAST, cbc, CBC, EVP_CIPH_VARIABLE_LENGTH, 128, 64, 64, block)
43 /* cast564ofb64_functions */
44 IMPLEMENT_generic_cipher(cast5, CAST, ofb64, OFB, EVP_CIPH_VARIABLE_LENGTH, 64, 8, 64, stream)
45 /* cast564cfb64_functions */
46 IMPLEMENT_generic_cipher(cast5, CAST, cfb64, CFB, EVP_CIPH_VARIABLE_LENGTH, 64, 8, 64, stream)