Viewing file:  secretbox8.c (1.2 KB) -rw-r--r--
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#define TEST_NAME "secretbox8"
#include "cmptest.h"
static unsigned char k[crypto_secretbox_KEYBYTES];
static unsigned char n[crypto_secretbox_NONCEBYTES];
static unsigned char m[10000];
static unsigned char c[10000];
static unsigned char m2[10000];
int
main(void)
{
size_t mlen;
size_t i;
int caught;
for (mlen = 0; mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m;
++mlen) {
crypto_secretbox_keygen(k);
randombytes_buf(n, crypto_secretbox_NONCEBYTES);
randombytes_buf(m + crypto_secretbox_ZEROBYTES, mlen);
crypto_secretbox(c, m, mlen + crypto_secretbox_ZEROBYTES, n, k);
caught = 0;
while (caught < 10) {
c[rand() % (mlen + crypto_secretbox_ZEROBYTES)] = rand();
if (crypto_secretbox_open(m2, c, mlen + crypto_secretbox_ZEROBYTES,
n, k) == 0) {
for (i = 0; i < mlen + crypto_secretbox_ZEROBYTES; ++i) {
if (m2[i] != m[i]) {
printf("forgery\n");
return 100;
}
}
} else {
++caught;
}
}
}
return 0;
}
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