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Diffstat (limited to 'tinySAK/src/tsk_sha1.h')
| -rw-r--r-- | tinySAK/src/tsk_sha1.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/tinySAK/src/tsk_sha1.h b/tinySAK/src/tsk_sha1.h new file mode 100644 index 0000000..6d78a94 --- /dev/null +++ b/tinySAK/src/tsk_sha1.h @@ -0,0 +1,122 @@ +/* +* Copyright (C) 2009-2010 Mamadou Diop. +* +* Contact: Mamadou Diop <diopmamadou(at)doubango.org> +* +* This file is part of Open Source Doubango Framework. +* +* DOUBANGO is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* DOUBANGO is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with DOUBANGO. +* +*/ + +/**@file tsk_sha1.h + * @brief US Secure Hash Algorithm 1 (RFC 3174) + * + * @author Mamadou Diop <diopmamadou(at)doubango.org> + * + * @date Created: Sat Nov 8 16:54:58 2009 mdiop + */ +#ifndef _TINYSAK_SHA1_H_ +#define _TINYSAK_SHA1_H_ + +#include "tinysak_config.h" + +TSK_BEGIN_DECLS + +/**@ingroup tsk_sha1_group +* SHA-1 error codes. +*/ +typedef enum tsk_sha1_errcode_e +{ + shaSuccess = 0, /**< Success */ + shaNull, /**< Null pointer parameter */ + shaInputTooLong, /**< input data too long */ + shaStateError /**< called Input after Result */ +} +tsk_sha1_errcode_t; + +/**@ingroup tsk_sha1_group +*@def TSK_SHA1_DIGEST_SIZE +*/ +/**@ingroup tsk_sha1_group +*@def TSK_SHA1_BLOCK_SIZE +*/ +/**@ingroup tsk_sha1_group +*@def TSK_SHA1_STRING_SIZE +*/ +/**@ingroup tsk_sha1_group +*@def tsk_sha1string_t +* Hexadecimal SHA-1 digest string. +*/ +/**@ingroup tsk_sha1_group +*@def tsk_sha1digest_t +* SHA-1 digest bytes. +*/ + +#define TSK_SHA1_DIGEST_SIZE 20 +#define TSK_SHA1_BLOCK_SIZE 64 + +#define TSK_SHA1_STRING_SIZE (TSK_SHA1_DIGEST_SIZE*2) +typedef char tsk_sha1string_t[TSK_SHA1_STRING_SIZE+1]; +typedef char tsk_sha1digest_t[TSK_SHA1_DIGEST_SIZE]; /**< SHA-1 digest bytes. */ + +/**@ingroup tsk_sha1_group +* Computes SHA-1 digest. +* @param input The input data. +* @param input_size The size of the input data. +* @param digest @ref tsk_sha1digest_t object conaining the sha1 digest result. +* @sa @ref tsk_sha1compute. +*/ +#define TSK_SHA1_DIGEST_CALC(input, input_size, digest) \ + { \ + tsk_sha1context_t ctx; \ + tsk_sha1reset(&ctx); \ + tsk_sha1input(&ctx, (input), (input_size)); \ + tsk_sha1result(&ctx, (digest)); \ + } + +/**@ingroup tsk_sha1_group + * This structure will hold context information for the SHA-1 + * hashing SSESSION + */ +typedef struct tsk_sha1context_s +{ + uint32_t Intermediate_Hash[TSK_SHA1_DIGEST_SIZE/4]; /* Message Digest */ + + uint32_t Length_Low; /**< Message length in bits */ + uint32_t Length_High; /**< Message length in bits */ + + + int_least16_t Message_Block_Index;/**< Index into message block array */ + uint8_t Message_Block[64]; /**< 512-bit message blocks */ + + int32_t Computed; /**< Is the digest computed? */ + int32_t Corrupted; /**< Is the message digest corrupted? */ +} +tsk_sha1context_t; + +/* + * Function Prototypes + */ + +TINYSAK_API tsk_sha1_errcode_t tsk_sha1reset(tsk_sha1context_t *); +TINYSAK_API tsk_sha1_errcode_t tsk_sha1input(tsk_sha1context_t *, const uint8_t *, unsigned length); +TINYSAK_API tsk_sha1_errcode_t tsk_sha1result(tsk_sha1context_t *, tsk_sha1digest_t Message_Digest); +TINYSAK_API void tsk_sha1final(uint8_t *Message_Digest, tsk_sha1context_t *context); +TINYSAK_API tsk_sha1_errcode_t tsk_sha1compute(const char* input, tsk_size_t size, tsk_sha1string_t *result); + +TSK_END_DECLS + +#endif /* _TINYSAK_SHA1_H_ */ + |
