mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-11-16 06:43:29 +08:00
f4d0ffd1b9
ADD: a prng.c to collect some different PRNG's i've ran into ADD: some changes the tea implementation ADD: a enhanced version - SwapEndian64ex
24 lines
No EOL
763 B
C
24 lines
No EOL
763 B
C
//-----------------------------------------------------------------------------
|
|
//-----------------------------------------------------------------------------
|
|
// 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 */ |