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#include <stdio.h>
#include <string.h>
#define TEST_NAME "box_easy2"
#include "cmptest.h"
unsigned char m[10000];
unsigned char m2[10000];
unsigned char c[crypto_box_MACBYTES + 10000];
unsigned char nonce[crypto_box_NONCEBYTES];
unsigned char alicepk[crypto_box_PUBLICKEYBYTES];
unsigned char alicesk[crypto_box_SECRETKEYBYTES];
unsigned char bobpk[crypto_box_PUBLICKEYBYTES];
unsigned char bobsk[crypto_box_SECRETKEYBYTES];
unsigned char mac[crypto_box_MACBYTES];
int main(void)
{
unsigned long long mlen;
unsigned long long i;
crypto_box_keypair(alicepk, alicesk);
crypto_box_keypair(bobpk, bobsk);
mlen = (unsigned long long) randombytes_uniform((uint32_t) sizeof m);
randombytes_buf(m, mlen);
randombytes_buf(nonce, sizeof nonce);
crypto_box_easy(c, m, mlen, nonce, bobpk, alicesk);
if (crypto_box_open_easy(m2, c, mlen + crypto_box_MACBYTES,
nonce, alicepk, bobsk) != 0) {
printf("open() failed");
return 1;
}
printf("%d\n", memcmp(m, m2, mlen));
for (i = 0; i < mlen + crypto_box_MACBYTES - 1; i++) {
if (crypto_box_open_easy(m2, c, i, nonce, alicepk, bobsk) == 0) {
printf("short open() should have failed");
return 1;
}
}
crypto_box_detached(c, mac, m, mlen, nonce, bobsk, alicepk);
crypto_box_open_detached(m2, c, mac, mlen, nonce, alicepk, bobsk);
printf("%d\n", memcmp(m, m2, mlen));
return 0;
}
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