[proxmark3-svn] / common / prng.h

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Burtle Prng - Modified.   42iterations instead of 20.
// ref: http://burtleburtle.net/bob/rand/smallprng.html
//-----------------------------------------------------------------------------

#ifndef __PRNG_H
#define __PRNG_H
#include <stdint.h>
#include <stddef.h>
typedef struct prng_ctx { 
	uint32_t a; 
	uint32_t b; 
	uint32_t c; 
	uint32_t d; 
} prng_ctx;

//uint32_t burtle_get( prng_ctx *x );
uint32_t burtle_get_mod( prng_ctx *x );
void burtle_init_mod(prng_ctx *x, uint32_t seed );
void burtle_init(prng_ctx *x, uint32_t seed );

uint32_t GetSimplePrng( uint32_t seed );
#endif /* __PRNG_H */
Commit	Line	Data
f4d0ffd1	1	//-----------------------------------------------------------------------------
	2	//-----------------------------------------------------------------------------
	3	// Burtle Prng - Modified. 42iterations instead of 20.
	4	// ref: http://burtleburtle.net/bob/rand/smallprng.html
	5	//-----------------------------------------------------------------------------
	6
	7	#ifndef __PRNG_H
	8	#define __PRNG_H
	9	#include <stdint.h>
	10	#include <stddef.h>
	11	typedef struct prng_ctx {
	12	uint32_t a;
	13	uint32_t b;
	14	uint32_t c;
	15	uint32_t d;
	16	} prng_ctx;
	17
	18	//uint32_t burtle_get( prng_ctx *x );
	19	uint32_t burtle_get_mod( prng_ctx *x );
	20	void burtle_init_mod(prng_ctx *x, uint32_t seed );
	21	void burtle_init(prng_ctx *x, uint32_t seed );
	22
	23	uint32_t GetSimplePrng( uint32_t seed );
	24	#endif /* __PRNG_H */