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/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* Dispatch functions for cast cipher modes ecb, cbc, ofb, cfb */
#include "cipher_cast.h"
#include "prov/implementations.h"
#define CAST5_FLAGS (EVP_CIPH_VARIABLE_LENGTH)
static OSSL_OP_cipher_freectx_fn cast5_freectx;
static OSSL_OP_cipher_dupctx_fn cast5_dupctx;
static void cast5_freectx(void *vctx)
{
PROV_CAST_CTX *ctx = (PROV_CAST_CTX *)vctx;
OPENSSL_clear_free(ctx, sizeof(*ctx));
}
static void *cast5_dupctx(void *ctx)
{
PROV_CAST_CTX *in = (PROV_CAST_CTX *)ctx;
PROV_CAST_CTX *ret = OPENSSL_malloc(sizeof(*ret));
if (ret == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
return NULL;
}
*ret = *in;
return ret;
}
/* cast5128ecb_functions */
IMPLEMENT_generic_cipher(cast5, CAST, ecb, ECB, CAST5_FLAGS, 128, 64, 0, block)
/* cast5128cbc_functions */
IMPLEMENT_generic_cipher(cast5, CAST, cbc, CBC, CAST5_FLAGS, 128, 64, 64, block)
/* cast564ofb64_functions */
IMPLEMENT_generic_cipher(cast5, CAST, ofb64, OFB, CAST5_FLAGS, 64, 8, 64, stream)
/* cast564cfb64_functions */
IMPLEMENT_generic_cipher(cast5, CAST, cfb64, CFB, CAST5_FLAGS, 64, 8, 64, stream)
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