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mirror of https://github.com/jedisct1/libsodium.git synced 2024-12-29 22:31:05 -07:00
libsodium/test/secretbox8.c
2013-01-20 15:48:08 -08:00

40 lines
1.0 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include "crypto_secretbox.h"
#include "randombytes.h"
#include "windows/windows-quirks.h"
unsigned char k[crypto_secretbox_KEYBYTES];
unsigned char n[crypto_secretbox_NONCEBYTES];
unsigned char m[10000];
unsigned char c[10000];
unsigned char m2[10000];
int main(void)
{
int mlen;
int i;
int caught;
for (mlen = 0;mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m;++mlen) {
randombytes(k,crypto_secretbox_KEYBYTES);
randombytes(n,crypto_secretbox_NONCEBYTES);
randombytes(m + crypto_secretbox_ZEROBYTES,mlen);
crypto_secretbox(c,m,mlen + crypto_secretbox_ZEROBYTES,n,k);
caught = 0;
while (caught < 10) {
c[random() % (mlen + crypto_secretbox_ZEROBYTES)] = random();
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;
}