123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)yahoo.fr>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tsk_sha1.h
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* @brief US Secure Hash Algorithm 1 (RFC 3174)
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*
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* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
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*
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* @date Created: Sat Nov 8 16:54:58 2009 mdiop
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*/
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#ifndef _TINYSAK_SHA1_H_
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#define _TINYSAK_SHA1_H_
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#include "tinySAK_config.h"
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TSK_BEGIN_DECLS
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/**@ingroup tsk_sha1_group
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* SHA-1 error codes.
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*/
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typedef enum tsk_sha1_errcode_e
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{
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shaSuccess = 0, /**< Success */
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shaNull, /**< Null pointer parameter */
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shaInputTooLong, /**< input data too long */
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shaStateError /**< called Input after Result */
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}
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tsk_sha1_errcode_t;
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/**@ingroup tsk_sha1_group
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*@def TSK_SHA1_DIGEST_SIZE
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*/
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/**@ingroup tsk_sha1_group
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*@def TSK_SHA1_BLOCK_SIZE
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*/
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/**@ingroup tsk_sha1_group
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*@def TSK_SHA1_STRING_SIZE
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*/
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/**@ingroup tsk_sha1_group
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*@def tsk_sha1string_t
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* Hexadecimal SHA-1 digest string.
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*/
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/**@ingroup tsk_sha1_group
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*@def tsk_sha1digest_t
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* SHA-1 digest bytes.
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*/
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#define TSK_SHA1_DIGEST_SIZE 20
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#define TSK_SHA1_BLOCK_SIZE 64
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#define TSK_SHA1_STRING_SIZE (TSK_SHA1_DIGEST_SIZE*2)
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typedef char tsk_sha1string_t[TSK_SHA1_STRING_SIZE+1];
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typedef char tsk_sha1digest_t[TSK_SHA1_DIGEST_SIZE]; /**< SHA-1 digest bytes. */
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/**@ingroup tsk_sha1_group
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* Computes SHA-1 digest.
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* @param input The input data.
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* @param input_size The size of the input data.
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* @param digest @ref tsk_sha1digest_t object conaining the sha1 digest result.
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* @sa @ref tsk_sha1compute.
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*/
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#define TSK_SHA1_DIGEST_CALC(input, input_size, digest) \
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{ \
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tsk_sha1context_t ctx; \
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tsk_sha1reset(&ctx); \
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tsk_sha1input(&ctx, (input), (input_size)); \
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tsk_sha1result(&ctx, (digest)); \
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}
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/**@ingroup tsk_sha1_group
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* This structure will hold context information for the SHA-1
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* hashing SSESSION
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*/
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typedef struct tsk_sha1context_s
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{
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uint32_t Intermediate_Hash[TSK_SHA1_DIGEST_SIZE/4]; /* Message Digest */
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uint32_t Length_Low; /**< Message length in bits */
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uint32_t Length_High; /**< Message length in bits */
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int_least16_t Message_Block_Index;/**< Index into message block array */
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uint8_t Message_Block[64]; /**< 512-bit message blocks */
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int32_t Computed; /**< Is the digest computed? */
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int32_t Corrupted; /**< Is the message digest corrupted? */
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}
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tsk_sha1context_t;
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/*
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* Function Prototypes
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*/
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TINYSAK_API tsk_sha1_errcode_t tsk_sha1reset(tsk_sha1context_t *);
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TINYSAK_API tsk_sha1_errcode_t tsk_sha1input(tsk_sha1context_t *, const uint8_t *, unsigned length);
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TINYSAK_API tsk_sha1_errcode_t tsk_sha1result(tsk_sha1context_t *, tsk_sha1digest_t Message_Digest);
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TINYSAK_API void tsk_sha1final(uint8_t *Message_Digest, tsk_sha1context_t *context);
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TINYSAK_API tsk_sha1_errcode_t tsk_sha1compute(const char* input, size_t size, tsk_sha1string_t *result);
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TSK_END_DECLS
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#endif /* _TINYSAK_SHA1_H_ */
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