sha224.h

00001 /**
00002  * @file sha224.h
00003  * @brief SHA-224 (Secure Hash Algorithm 224)
00004  *
00005  * @section License
00006  *
00007  * Copyright (C) 2010-2017 Oryx Embedded SARL. All rights reserved.
00008  *
00009  * This file is part of CycloneCrypto Open.
00010  *
00011  * This program is free software; you can redistribute it and/or
00012  * modify it under the terms of the GNU General Public License
00013  * as published by the Free Software Foundation; either version 2
00014  * of the License, or (at your option) any later version.
00015  *
00016  * This program is distributed in the hope that it will be useful,
00017  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  * GNU General Public License for more details.
00020  *
00021  * You should have received a copy of the GNU General Public License
00022  * along with this program; if not, write to the Free Software Foundation,
00023  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00024  *
00025  * @author Oryx Embedded SARL (www.oryx-embedded.com)
00026  * @version 1.7.6
00027  **/
00028 
00029 #ifndef _SHA224_H
00030 #define _SHA224_H
00031 
00032 //Dependencies
00033 #include "crypto.h"
00034 #include "sha256.h"
00035 
00036 //SHA-224 block size
00037 #define SHA224_BLOCK_SIZE 64
00038 //SHA-224 digest size
00039 #define SHA224_DIGEST_SIZE 28
00040 //Common interface for hash algorithms
00041 #define SHA224_HASH_ALGO (&sha224HashAlgo)
00042 
00043 
00044 /**
00045  * @brief SHA-224 algorithm context
00046  **/
00047 
00048 typedef Sha256Context Sha224Context;
00049 
00050 
00051 //SHA-224 related constants
00052 extern const HashAlgo sha224HashAlgo;
00053 
00054 //SHA-224 related functions
00055 error_t sha224Compute(const void *data, size_t length, uint8_t *digest);
00056 void sha224Init(Sha224Context *context);
00057 void sha224Update(Sha224Context *context, const void *data, size_t length);
00058 void sha224Final(Sha224Context *context, uint8_t *digest);
00059 
00060 #endif
00061