blake2.h

00001 /* blake2.h
00002  *
00003  * Copyright (C) 2006-2013 wolfSSL Inc.
00004  *
00005  * This file is part of CyaSSL.
00006  *
00007  * CyaSSL is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * CyaSSL is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
00020  */
00021 
00022 
00023 #ifdef HAVE_BLAKE2
00024 
00025 #ifndef CTAOCRYPT_BLAKE2_H
00026 #define CTAOCRYPT_BLAKE2_H
00027 
00028 #include <cyassl/ctaocrypt/blake2-int.h>
00029 
00030 #ifdef __cplusplus
00031     extern "C" {
00032 #endif
00033 
00034 /* in bytes, variable digest size up to 512 bits (64 bytes) */
00035 enum {
00036     BLAKE2B_ID  = 7,   /* hash type unique */
00037     BLAKE2B_256 = 32   /* 256 bit type, SSL default */
00038 };
00039 
00040 
00041 /* BLAKE2b digest */
00042 typedef struct Blake2b {
00043     blake2b_state S[1];         /* our state */
00044     word32        digestSz;     /* digest size used on init */
00045 } Blake2b;
00046 
00047 
00048 CYASSL_API int InitBlake2b(Blake2b*, word32);
00049 CYASSL_API int Blake2bUpdate(Blake2b*, const byte*, word32);
00050 CYASSL_API int Blake2bFinal(Blake2b*, byte*, word32);
00051 
00052 
00053 
00054 #ifdef __cplusplus
00055     } 
00056 #endif
00057 
00058 #endif  /* CTAOCRYPT_BLAKE2_H */
00059 #endif  /* HAVE_BLAKE2 */
00060