libsodium/test/box7.c
2013-01-20 15:41:17 -08:00

37 lines
1018 B
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;
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);
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("bad decryption\n");
break;
}
} else {
printf("ciphertext fails verification\n");
}
}
return 0;
}