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#include <stdio.h>
#include <stdlib.h>
#include "windows/windows-quirks.h"
#define TEST_NAME "auth5"
#include "cmptest.h"
unsigned char key[32];
unsigned char c[10000];
unsigned char a[32];
int main(void)
{
int clen;
for (clen = 0;clen < 10000;++clen) {
randombytes(key,sizeof key);
randombytes(c,clen);
crypto_auth_hmacsha512256(a,c,clen,key);
if (crypto_auth_hmacsha512256_verify(a,c,clen,key) != 0) {
printf("fail %d\n",clen);
return 100;
}
if (clen > 0) {
c[rand() % clen] += 1 + (rand() % 255);
if (crypto_auth_hmacsha512256_verify(a,c,clen,key) == 0) {
printf("forgery %d\n",clen);
return 100;
}
a[rand() % sizeof a] += 1 + (rand() % 255);
if (crypto_auth_hmacsha512256_verify(a,c,clen,key) == 0) {
printf("forgery %d\n",clen);
return 100;
}
}
}
return 0;
}
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