Viewing file:  secretbox_easy2.c (2.54 KB) -rw-r--r--
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#define TEST_NAME "secretbox_easy2"
#include "cmptest.h"
int
main(void)
{
unsigned char *m;
unsigned char *m2;
unsigned char *c;
unsigned char *nonce;
unsigned char *k;
unsigned char *mac;
size_t mlen;
size_t i;
mlen = (size_t) randombytes_uniform((uint32_t) 10000) + 1U;
m = (unsigned char *) sodium_malloc(mlen);
m2 = (unsigned char *) sodium_malloc(mlen);
c = (unsigned char *) sodium_malloc(crypto_secretbox_MACBYTES + mlen);
nonce = (unsigned char *) sodium_malloc(crypto_secretbox_NONCEBYTES);
k = (unsigned char *) sodium_malloc(crypto_secretbox_KEYBYTES);
mac = (unsigned char *) sodium_malloc(crypto_secretbox_MACBYTES);
crypto_secretbox_keygen(k);
randombytes_buf(m, mlen);
randombytes_buf(nonce, crypto_secretbox_NONCEBYTES);
crypto_secretbox_easy(c, m, (unsigned long long) mlen, nonce, k);
if (crypto_secretbox_open_easy(
m2, c, (unsigned long long) mlen + crypto_secretbox_MACBYTES, nonce,
k) != 0) {
printf("crypto_secretbox_open_easy() failed\n");
}
printf("%d\n", memcmp(m, m2, mlen));
for (i = 0; i < mlen + crypto_secretbox_MACBYTES - 1; i++) {
if (crypto_secretbox_open_easy(m2, c, (unsigned long long) i, nonce,
k) == 0) {
printf("short open() should have failed\n");
return 1;
}
}
crypto_secretbox_detached(c, mac, m, (unsigned long long) mlen, nonce, k);
if (crypto_secretbox_open_detached(NULL, c, mac, (unsigned long long) mlen,
nonce, k) != 0) {
printf("crypto_secretbox_open_detached() with a NULL message pointer failed\n");
}
if (crypto_secretbox_open_detached(m2, c, mac, (unsigned long long) mlen,
nonce, k) != 0) {
printf("crypto_secretbox_open_detached() failed\n");
}
printf("%d\n", memcmp(m, m2, mlen));
memcpy(c, m, mlen);
crypto_secretbox_easy(c, c, (unsigned long long) mlen, nonce, k);
printf("%d\n", memcmp(m, c, mlen) == 0);
printf("%d\n", memcmp(m, c + crypto_secretbox_MACBYTES, mlen) == 0);
if (crypto_secretbox_open_easy(
c, c, (unsigned long long) mlen + crypto_secretbox_MACBYTES, nonce,
k) != 0) {
printf("crypto_secretbox_open_easy() failed\n");
}
printf("%d\n", memcmp(m, c, mlen));
sodium_free(m);
sodium_free(m2);
sodium_free(c);
sodium_free(nonce);
sodium_free(k);
sodium_free(mac);
return 0;
}
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