#ifndef	CPRNG_H
#define	CPRNG_H

#include <sys/types.h>

#define	CPRNG_MAX	0x10000000

struct cprng {
	uint32_t key[8];
	uint32_t nonce[4];
	uint32_t buffer[16];
	unsigned int buffered;
};

extern void	cprng_seed(struct cprng *, uint8_t[32]);
extern void	cprng_buf(struct cprng *, void *, size_t);
extern uint32_t	cprng32(struct cprng *);
extern uint64_t	cprng64(struct cprng *);

#endif	/* CPRNG_H */