/*
	scp crap_pool.c vm:
	ssh vm cc -o crap_pool crap_pool.c
	head -c 37k /dev/urandom | ssh vm sudo ./crap_pool
*/

#include <stdlib.h>
#include <fcntl.h>
#include <linux/random.h>

#define BUFSIZE 16384
#define ENTROPY 4096

int main (int argc, char *argv[]) {
	int i;
	struct rand_pool_info *rand = malloc(sizeof(struct rand_pool_info) + BUFSIZE);
	rand->buf_size = BUFSIZE;
	rand->entropy_count = ENTROPY;
	for (i=0;i<BUFSIZE;i++) (rand->buf)[i]=getchar();
	int fd = open("/dev/random", O_WRONLY);
	ioctl(fd, RNDADDENTROPY, rand);
	close(fd);
	return 0;
}