75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/**
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* \file md_internal.h
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*
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* \brief Message digest wrappers.
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*
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* \warning This in an internal header. Do not include directly.
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*
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* \author Adriaan de Jong <dejong@fox-it.com>
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*/
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/*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* Copyright (C) 2018, Intel Corporation, All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#ifndef MBEDTLS_MD_WRAP_H
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#define MBEDTLS_MD_WRAP_H
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#include "md.h"
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/**
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* Message digest information.
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* Allows message digest functions to be called in a generic way.
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*/
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struct mbedtls_md_info_t
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{
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/** Digest identifier */
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mbedtls_md_type_t type;
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/** Name of the message digest */
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const char * name;
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/** Output length of the digest function in bytes */
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int32_t size;
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/** Block length of the digest function in bytes */
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size_t block_size;
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/** Digest initialisation function */
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int32_t (*starts_func)( void *ctx );
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/** Digest update function */
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int32_t (*update_func)( void *ctx, const uint8_t *input, size_t ilen );
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/** Digest finalisation function */
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int32_t (*finish_func)( void *ctx, uint8_t *output );
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/** Generic digest function */
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int32_t (*digest_func)( const uint8_t *input, size_t ilen,
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uint8_t *output );
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/** Clone state from a context */
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void (*clone_func)( void *dst, const void *src );
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/** Internal use only */
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int32_t (*process_func)( void *ctx, const uint8_t *input );
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};
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extern const mbedtls_md_info_t mbedtls_sha256_info;
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#endif /* MBEDTLS_MD_WRAP_H */
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