crypto_sha256.h

00001 /*
00002 MiniTLS - A super trimmed down TLS/SSL Library for embedded devices
00003 Author: Donatien Garnier
00004 Copyright (C) 2013-2014 AppNearMe Ltd
00005 
00006 This program is free software; you can redistribute it and/or
00007 modify it under the terms of the GNU General Public License
00008 as published by the Free Software Foundation; either version 2
00009 of the License, or (at your option) any later version.
00010 
00011 This program is distributed in the hope that it will be useful,
00012 but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 GNU General Public License for more details.
00015 
00016 You should have received a copy of the GNU General Public License
00017 along with this program; if not, write to the Free Software
00018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00019 *//**
00020  * \file crypto_sha256.h
00021  * \copyright Copyright (c) AppNearMe Ltd 2013
00022  * \author Donatien Garnier
00023  */
00024 
00025 #ifndef CRYPTO_SHA256_H_
00026 #define CRYPTO_SHA256_H_
00027 
00028 #ifdef __cplusplus
00029 extern "C" {
00030 #endif
00031 
00032 #include "core/fwk.h"
00033 
00034 #define SHA256_SIZE 32 //256 bits
00035 #define SHA256_BLOCK_SIZE 64
00036 
00037 typedef struct __crypto_sha256
00038 {
00039   uint64_t length;
00040   uint32_t state[8], curlen;
00041   uint8_t buf[64];
00042 } crypto_sha256_t;
00043 
00044 void crypto_sha256_init(crypto_sha256_t* hash);
00045 void crypto_sha256_update(crypto_sha256_t* hash, const uint8_t* data, size_t size);
00046 void crypto_sha256_end(crypto_sha256_t* hash, uint8_t* out);
00047 
00048 void crypto_sha256_copy(crypto_sha256_t* hashTo, crypto_sha256_t* hashFrom);
00049 
00050 
00051 #ifdef __cplusplus
00052 }
00053 #endif
00054 
00055 #endif /* CRYPTO_SHA256_H_ */