38 lines
926 B
C
38 lines
926 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include "crypto_onetimeauth_poly1305.h"
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#include "randombytes.h"
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#include "windows/windows-quirks.h"
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unsigned char key[32];
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unsigned char c[10000];
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unsigned char a[16];
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int main(void)
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{
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int clen;
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int i;
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for (clen = 0;clen < 10000;++clen) {
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randombytes(key,sizeof key);
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randombytes(c,clen);
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crypto_onetimeauth_poly1305(a,c,clen,key);
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if (crypto_onetimeauth_poly1305_verify(a,c,clen,key) != 0) {
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printf("fail %d\n",clen);
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return 100;
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}
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if (clen > 0) {
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c[random() % clen] += 1 + (random() % 255);
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if (crypto_onetimeauth_poly1305_verify(a,c,clen,key) == 0) {
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printf("forgery %d\n",clen);
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return 100;
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}
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a[random() % sizeof a] += 1 + (random() % 255);
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if (crypto_onetimeauth_poly1305_verify(a,c,clen,key) == 0) {
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printf("forgery %d\n",clen);
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return 100;
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}
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}
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}
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return 0;
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}
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