40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "crypto_secretbox.h"
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#include "randombytes.h"
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#include "windows/windows-quirks.h"
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unsigned char k[crypto_secretbox_KEYBYTES];
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unsigned char n[crypto_secretbox_NONCEBYTES];
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unsigned char m[10000];
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unsigned char c[10000];
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unsigned char m2[10000];
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int main(void)
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{
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int mlen;
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int i;
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int caught;
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for (mlen = 0;mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m;++mlen) {
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randombytes(k,crypto_secretbox_KEYBYTES);
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randombytes(n,crypto_secretbox_NONCEBYTES);
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randombytes(m + crypto_secretbox_ZEROBYTES,mlen);
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crypto_secretbox(c,m,mlen + crypto_secretbox_ZEROBYTES,n,k);
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caught = 0;
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while (caught < 10) {
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c[random() % (mlen + crypto_secretbox_ZEROBYTES)] = random();
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if (crypto_secretbox_open(m2,c,mlen + crypto_secretbox_ZEROBYTES,n,k) == 0) {
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for (i = 0;i < mlen + crypto_secretbox_ZEROBYTES;++i)
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if (m2[i] != m[i]) {
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printf("forgery\n");
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return 100;
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}
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} else {
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++caught;
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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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