#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sha1.h>
const unsigned char data[] = "1234567890abcdefghijklmnopqrstuvwxyz";
int
main(int argc, char **argv)
{
SHA1_CTX ctx;
char ret[20];
SHA1Init(&ctx);
SHA1Data(data, sizeof data - 1, ret);
printf("%s\n", ret);
}