libsodium/test/default/box_easy2.c
2014-12-18 00:12:50 +01:00

73 lines
2.5 KiB
C

#define TEST_NAME "box_easy2"
#include "cmptest.h"
unsigned char m[10000];
unsigned char m2[10000];
unsigned char c[crypto_box_MACBYTES + 10000];
int main(void)
{
unsigned char *alicepk;
unsigned char *alicesk;
unsigned char *bobpk;
unsigned char *bobsk;
unsigned char *mac;
unsigned char *nonce;
size_t mlen;
size_t i;
alicepk = (unsigned char *) sodium_malloc(crypto_box_PUBLICKEYBYTES);
alicesk = (unsigned char *) sodium_malloc(crypto_box_SECRETKEYBYTES);
bobpk = (unsigned char *) sodium_malloc(crypto_box_PUBLICKEYBYTES);
bobsk = (unsigned char *) sodium_malloc(crypto_box_SECRETKEYBYTES);
mac = (unsigned char *) sodium_malloc(crypto_box_MACBYTES);
nonce = (unsigned char *) sodium_malloc(crypto_box_NONCEBYTES);
crypto_box_keypair(alicepk, alicesk);
crypto_box_keypair(bobpk, bobsk);
mlen = (size_t) 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,
(unsigned long long) 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, (unsigned long long) i,
nonce, alicepk, bobsk) == 0) {
printf("short open() should have failed");
return 1;
}
}
memcpy(c, m, mlen);
crypto_box_easy(c, c, (unsigned long long) mlen, nonce, bobpk, alicesk);
printf("%d\n", memcmp(m, c, mlen) == 0);
printf("%d\n", memcmp(m, c + crypto_box_MACBYTES, mlen) == 0);
if (crypto_box_open_easy(c, c,
(unsigned long long) mlen + crypto_box_MACBYTES,
nonce, alicepk, bobsk) != 0) {
printf("crypto_box_open_easy() failed\n");
}
crypto_box_detached(c, mac, m, (unsigned long long) mlen,
nonce, bobsk, alicepk);
crypto_box_open_detached(m2, c, mac, (unsigned long long) mlen,
nonce, alicepk, bobsk);
printf("%d\n", memcmp(m, m2, mlen));
sodium_free(alicepk);
sodium_free(alicesk);
sodium_free(bobpk);
sodium_free(bobsk);
sodium_free(mac);
sodium_free(nonce);
printf("OK\n");
return 0;
}