libsodium/test/default/onetimeauth7.c

38 lines
952 B
C

#include "quirks.h"
#define TEST_NAME "onetimeauth7"
#include "cmptest.h"
unsigned char key[32];
unsigned char c[10000];
unsigned char a[16];
int main(void)
{
int clen;
for (clen = 0; clen < 10000; ++clen) {
randombytes_buf(key, sizeof 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;
}