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/*
* Copyright 2019-2020 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
*/
/*
* CAST low level APIs are deprecated for public use, but still ok for
* internal use.
*/
#include "internal/deprecated.h"
/* Dispatch functions for cast cipher modes ecb, cbc, ofb, cfb */
#include <openssl/proverr.h>
#include "cipher_cast.h"
#include "prov/implementations.h"
#include "prov/providercommon.h"
#define CAST5_FLAGS PROV_CIPHER_FLAG_VARIABLE_LENGTH
static OSSL_FUNC_cipher_freectx_fn cast5_freectx;
static OSSL_FUNC_cipher_dupctx_fn cast5_dupctx;
static void cast5_freectx(void *vctx)
{
PROV_CAST_CTX *ctx = (PROV_CAST_CTX *)vctx;
ossl_cipher_generic_reset_ctx((PROV_CIPHER_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;
if (!ossl_prov_is_running())
return NULL;
ret = OPENSSL_malloc(sizeof(*ret));
if (ret == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
return NULL;
}
*ret = *in;
return ret;
}
/* ossl_cast5128ecb_functions */
IMPLEMENT_var_keylen_cipher(cast5, CAST, ecb, ECB, CAST5_FLAGS, 128, 64, 0, block)
/* ossl_cast5128cbc_functions */
IMPLEMENT_var_keylen_cipher(cast5, CAST, cbc, CBC, CAST5_FLAGS, 128, 64, 64, block)
/* ossl_cast5128ofb64_functions */
IMPLEMENT_var_keylen_cipher(cast5, CAST, ofb64, OFB, CAST5_FLAGS, 128, 8, 64, stream)
/* ossl_cast5128cfb64_functions */
IMPLEMENT_var_keylen_cipher(cast5, CAST, cfb64, CFB, CAST5_FLAGS, 128, 8, 64, stream)
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