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Commit	Line	Data
	1	/**
	2	* \file md_internal.h
	3	*
	4	* \brief Message digest wrappers.
	5	*
	6	* \warning This in an internal header. Do not include directly.
	7	*
	8	* \author Adriaan de Jong <dejong@fox-it.com>
	9	*/
	10	/*
	11	* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
	12	* SPDX-License-Identifier: GPL-2.0
	13	*
	14	* This program is free software; you can redistribute it and/or modify
	15	* it under the terms of the GNU General Public License as published by
	16	* the Free Software Foundation; either version 2 of the License, or
	17	* (at your option) any later version.
	18	*
	19	* This program is distributed in the hope that it will be useful,
	20	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	21	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	22	* GNU General Public License for more details.
	23	*
	24	* You should have received a copy of the GNU General Public License along
	25	* with this program; if not, write to the Free Software Foundation, Inc.,
	26	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	27	*
	28	* This file is part of mbed TLS (https://tls.mbed.org)
	29	*/
	30	#ifndef MBEDTLS_MD_WRAP_H
	31	#define MBEDTLS_MD_WRAP_H
	32
	33	#if !defined(MBEDTLS_CONFIG_FILE)
	34	#include "config.h"
	35	#else
	36	#include MBEDTLS_CONFIG_FILE
	37	#endif
	38
	39	#include "md.h"
	40
	41	#ifdef __cplusplus
	42	extern "C" {
	43	#endif
	44
	45	/**
	46	* Message digest information.
	47	* Allows message digest functions to be called in a generic way.
	48	*/
	49	struct mbedtls_md_info_t
	50	{
	51	/** Digest identifier */
	52	mbedtls_md_type_t type;
	53
	54	/** Name of the message digest */
	55	const char * name;
	56
	57	/** Output length of the digest function in bytes */
	58	int size;
	59
	60	/** Block length of the digest function in bytes */
	61	int block_size;
	62
	63	/** Digest initialisation function */
	64	int (starts_func)( void ctx );
	65
	66	/** Digest update function */
	67	int (update_func)( void ctx, const unsigned char *input, size_t ilen );
	68
	69	/** Digest finalisation function */
	70	int (finish_func)( void ctx, unsigned char *output );
	71
	72	/** Generic digest function */
	73	int (digest_func)( const unsigned char input, size_t ilen,
	74	unsigned char *output );
	75
	76	/** Allocate a new context */
	77	void * (*ctx_alloc_func)( void );
	78
	79	/** Free the given context */
	80	void (ctx_free_func)( void ctx );
	81
	82	/** Clone state from a context */
	83	void (clone_func)( void dst, const void *src );
	84
	85	/** Internal use only */
	86	int (process_func)( void ctx, const unsigned char *input );
	87	};
	88
	89	#if defined(MBEDTLS_MD2_C)
	90	extern const mbedtls_md_info_t mbedtls_md2_info;
	91	#endif
	92	#if defined(MBEDTLS_MD4_C)
	93	extern const mbedtls_md_info_t mbedtls_md4_info;
	94	#endif
	95	#if defined(MBEDTLS_MD5_C)
	96	extern const mbedtls_md_info_t mbedtls_md5_info;
	97	#endif
	98	#if defined(MBEDTLS_RIPEMD160_C)
	99	extern const mbedtls_md_info_t mbedtls_ripemd160_info;
	100	#endif
	101	#if defined(MBEDTLS_SHA1_C)
	102	extern const mbedtls_md_info_t mbedtls_sha1_info;
	103	#endif
	104	#if defined(MBEDTLS_SHA256_C)
	105	extern const mbedtls_md_info_t mbedtls_sha224_info;
	106	extern const mbedtls_md_info_t mbedtls_sha256_info;
	107	#endif
	108	#if defined(MBEDTLS_SHA512_C)
	109	extern const mbedtls_md_info_t mbedtls_sha384_info;
	110	extern const mbedtls_md_info_t mbedtls_sha512_info;
	111	#endif
	112
	113	#ifdef __cplusplus
	114	}
	115	#endif
	116
	117	#endif /* MBEDTLS_MD_WRAP_H */