#ifndef NUMGEN_H
#define NUMGEN_H

#include <stdlib.h>
#include <time.h>
#include <stdint.h>
#include <string.h>

unsigned char random_byte(void);
uint16_t random_two_byte(void);
uint32_t random_four_byte(void);
uint64_t random_eight_byte(void);

// Draws from the OS entropy pool instead of the srand()-seeded generator, which repeats across
// processes started within the same second. Use this wherever a value must be unique between nodes
// (e.g. the node identity). Never returns 0.
uint64_t random_secure_eight_byte(void);

#endif