serval-dna/nacl/nacl-20110221/tests/box8.c
Daniel O'Connor bf9710fd5a Unpacked nacl-20110221 after processing by nacl-prepare-sources.
This only affects build_android, if nacl-gcc-prep is run then build/`uname -s` will be created.
2012-02-27 12:40:14 +10:30

42 lines
1.1 KiB
C

#include <stdio.h>
#include "crypto_box.h"
#include "randombytes.h"
unsigned char alicesk[crypto_box_SECRETKEYBYTES];
unsigned char alicepk[crypto_box_PUBLICKEYBYTES];
unsigned char bobsk[crypto_box_SECRETKEYBYTES];
unsigned char bobpk[crypto_box_PUBLICKEYBYTES];
unsigned char n[crypto_box_NONCEBYTES];
unsigned char m[10000];
unsigned char c[10000];
unsigned char m2[10000];
main()
{
int mlen;
int i;
int caught;
for (mlen = 0;mlen < 1000 && mlen + crypto_box_ZEROBYTES < sizeof m;++mlen) {
crypto_box_keypair(alicepk,alicesk);
crypto_box_keypair(bobpk,bobsk);
randombytes(n,crypto_box_NONCEBYTES);
randombytes(m + crypto_box_ZEROBYTES,mlen);
crypto_box(c,m,mlen + crypto_box_ZEROBYTES,n,bobpk,alicesk);
caught = 0;
while (caught < 10) {
c[random() % (mlen + crypto_box_ZEROBYTES)] = random();
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 {
++caught;
}
}
}
return 0;
}