mirror of https://github.com/openssl/openssl.git
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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* Copyright 2019-2020 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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/* Dispatch functions for Seed cipher modes ecb, cbc, ofb, cfb */
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/*
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* SEED 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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#include "cipher_seed.h"
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#include "prov/implementations.h"
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#include "prov/providercommon.h"
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static OSSL_FUNC_cipher_freectx_fn seed_freectx;
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static OSSL_FUNC_cipher_dupctx_fn seed_dupctx;
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static void seed_freectx(void *vctx)
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{
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PROV_SEED_CTX *ctx = (PROV_SEED_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 *seed_dupctx(void *ctx)
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{
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PROV_SEED_CTX *in = (PROV_SEED_CTX *)ctx;
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PROV_SEED_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_seed128ecb_functions */
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IMPLEMENT_generic_cipher(seed, SEED, ecb, ECB, 0, 128, 128, 0, block)
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/* ossl_seed128cbc_functions */
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IMPLEMENT_generic_cipher(seed, SEED, cbc, CBC, 0, 128, 128, 128, block)
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/* ossl_seed128ofb128_functions */
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IMPLEMENT_generic_cipher(seed, SEED, ofb128, OFB, 0, 128, 8, 128, stream)
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/* ossl_seed128cfb128_functions */
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IMPLEMENT_generic_cipher(seed, SEED, cfb128, CFB, 0, 128, 8, 128, stream)
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