libsodium/test/default/secretbox7.c
2017-02-19 21:20:45 +01:00

36 lines
1.0 KiB
C

#define TEST_NAME "secretbox7"
#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;
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);
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("bad decryption\n");
break;
}
}
} else {
printf("ciphertext fails verification\n");
}
}
return 0;
}