avr-crypto-lib/entropium.h

44 lines
1.4 KiB
C

/* entropium.h */
/*
This file is part of the Crypto-avr-lib/microcrypt-lib.
Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* File: entropium.h
* Author: Daniel Otte
* Date: 23.07.2006
* License: GPL
* Description: This file contains the declarations for the pseudo-random-number generator.
**/
#ifndef ENTROPIUM_H_
#define ENTROPIUM_H_
#include <stdint.h>
/*
* length in bits
*/
#define ENTROPIUM_RANDOMBLOCK_SIZE 32 /* bytes */
void entropium_addEntropy(unsigned length_b, const void* data);
void entropium_getRandomBlock(void* b);
/* this does some simple buffering */
uint8_t entropium_getRandomByte(void);
void entropium_fillBlockRandom(void* block, unsigned length_B);
#endif /*PRNG_H_*/