#define TEST_NAME "onetimeauth7"

#include "cmptest.h"

static unsigned char key[32];

static unsigned char c[1000];

static unsigned char a[16];

int

main(void)

{

    int clen;

    for (clen = 0; clen < 1000; ++clen) {

        crypto_onetimeauth_keygen(key);

        randombytes_buf(c, clen);

        crypto_onetimeauth(a, c, clen, key);

        if (crypto_onetimeauth_verify(a, c, clen, key) != 0) {

            printf("fail %d\n", clen);

            return 100;

        }

        if (clen > 0) {

            c[rand() % clen] += 1 + (rand() % 255);

            if (crypto_onetimeauth_verify(a, c, clen, key) == 0) {

                printf("forgery %d\n", clen);

                return 100;

            }

            a[rand() % sizeof a] += 1 + (rand() % 255);

            if (crypto_onetimeauth_verify(a, c, clen, key) == 0) {

                printf("forgery %d\n", clen);

                return 100;

            }

        }

    }

    return 0;

}