Viewing file:  box8.c (1.7 KB) -rw-r--r--
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#define TEST_NAME "box8"
#include "cmptest.h"
static unsigned char alicesk[crypto_box_SECRETKEYBYTES];
static unsigned char alicepk[crypto_box_PUBLICKEYBYTES];
static unsigned char bobsk[crypto_box_SECRETKEYBYTES];
static unsigned char bobpk[crypto_box_PUBLICKEYBYTES];
static unsigned char n[crypto_box_NONCEBYTES];
int
main(void)
{
unsigned char *m;
unsigned char *c;
unsigned char *m2;
size_t mlen;
size_t mlen_max = 1000;
size_t i;
int faults;
int ret;
m = (unsigned char *) sodium_malloc(mlen_max);
c = (unsigned char *) sodium_malloc(mlen_max);
m2 = (unsigned char *) sodium_malloc(mlen_max);
crypto_box_keypair(alicepk, alicesk);
crypto_box_keypair(bobpk, bobsk);
for (mlen = 0; mlen + crypto_box_ZEROBYTES <= mlen_max; mlen++) {
randombytes_buf(n, crypto_box_NONCEBYTES);
randombytes_buf(m + crypto_box_ZEROBYTES, mlen);
ret = crypto_box(c, m, mlen + crypto_box_ZEROBYTES, n, bobpk, alicesk);
assert(ret == 0);
#ifdef BROWSER_TESTS
faults = 1;
#else
faults = 5;
#endif
while (faults > 0) {
c[rand() % (mlen + crypto_box_ZEROBYTES)] = rand();
if (crypto_box_open(m2, c, mlen + crypto_box_ZEROBYTES, n, alicepk,
bobsk) == 0) {
for (i = 0; i < mlen + crypto_box_ZEROBYTES; ++i) {
if (m2[i] != m[i]) {
printf("forgery\n");
return 100;
}
}
} else {
faults--;
}
}
}
sodium_free(m);
sodium_free(c);
sodium_free(m2);
return 0;
}
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