mirror of https://github.com/openssl/openssl.git
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/*
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* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* CAST low level APIs are deprecated for public use, but still ok for
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* internal use.
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*/
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#include "internal/deprecated.h"
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/* Dispatch functions for cast cipher modes ecb, cbc, ofb, cfb */
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#include <openssl/proverr.h>
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#include "cipher_cast.h"
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#include "prov/implementations.h"
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#include "prov/providercommon.h"
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#define CAST5_FLAGS PROV_CIPHER_FLAG_VARIABLE_LENGTH
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static OSSL_FUNC_cipher_freectx_fn cast5_freectx;
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static OSSL_FUNC_cipher_dupctx_fn cast5_dupctx;
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static void cast5_freectx(void *vctx)
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{
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PROV_CAST_CTX *ctx = (PROV_CAST_CTX *)vctx;
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ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
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OPENSSL_clear_free(ctx, sizeof(*ctx));
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}
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static void *cast5_dupctx(void *ctx)
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{
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PROV_CAST_CTX *in = (PROV_CAST_CTX *)ctx;
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PROV_CAST_CTX *ret;
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if (!ossl_prov_is_running())
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return NULL;
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ret = OPENSSL_malloc(sizeof(*ret));
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if (ret == NULL) {
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ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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*ret = *in;
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return ret;
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}
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/* ossl_cast5128ecb_functions */
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IMPLEMENT_var_keylen_cipher(cast5, CAST, ecb, ECB, CAST5_FLAGS, 128, 64, 0, block)
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/* ossl_cast5128cbc_functions */
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IMPLEMENT_var_keylen_cipher(cast5, CAST, cbc, CBC, CAST5_FLAGS, 128, 64, 64, block)
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/* ossl_cast5128ofb64_functions */
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IMPLEMENT_var_keylen_cipher(cast5, CAST, ofb64, OFB, CAST5_FLAGS, 128, 8, 64, stream)
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/* ossl_cast5128cfb64_functions */
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IMPLEMENT_var_keylen_cipher(cast5, CAST, cfb64, CFB, CAST5_FLAGS, 128, 8, 64, stream)
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