2 * Copyright 2019-2020 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
11 * CAST low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
16 /* Dispatch functions for cast cipher modes ecb, cbc, ofb, cfb */
18 #include "cipher_cast.h"
19 #include "prov/implementations.h"
20 #include "prov/providercommonerr.h"
22 #define CAST5_FLAGS (EVP_CIPH_VARIABLE_LENGTH)
24 static OSSL_FUNC_cipher_freectx_fn cast5_freectx;
25 static OSSL_FUNC_cipher_dupctx_fn cast5_dupctx;
27 static void cast5_freectx(void *vctx)
29 PROV_CAST_CTX *ctx = (PROV_CAST_CTX *)vctx;
31 cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
32 OPENSSL_clear_free(ctx, sizeof(*ctx));
35 static void *cast5_dupctx(void *ctx)
37 PROV_CAST_CTX *in = (PROV_CAST_CTX *)ctx;
38 PROV_CAST_CTX *ret = OPENSSL_malloc(sizeof(*ret));
41 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
49 /* cast5128ecb_functions */
50 IMPLEMENT_var_keylen_cipher(cast5, CAST, ecb, ECB, CAST5_FLAGS, 128, 64, 0, block)
51 /* cast5128cbc_functions */
52 IMPLEMENT_var_keylen_cipher(cast5, CAST, cbc, CBC, CAST5_FLAGS, 128, 64, 64, block)
53 /* cast5128ofb64_functions */
54 IMPLEMENT_var_keylen_cipher(cast5, CAST, ofb64, OFB, CAST5_FLAGS, 128, 8, 64, stream)
55 /* cast5128cfb64_functions */
56 IMPLEMENT_var_keylen_cipher(cast5, CAST, cfb64, CFB, CAST5_FLAGS, 128, 8, 64, stream)