int
macaroon_secretbox(const unsigned char* enc_key,
const unsigned char* enc_nonce,
const unsigned char* plaintext, size_t plaintext_sz,
unsigned char* ciphertext)
{
return crypto_secretbox_xsalsa20poly1305(ciphertext, plaintext, plaintext_sz, enc_nonce, enc_key);
}
SODIUM_EXPORT int
crypto_secretbox_xsalsa20poly1305_ref(unsigned char *c,
const unsigned char *m,
unsigned long long mlen,
const unsigned char *n,
const unsigned char *k)
{
return crypto_secretbox_xsalsa20poly1305(c, m, mlen, n, k);
}
int
crypto_box_curve25519xsalsa20poly1305_afternm(unsigned char *c,
const unsigned char *m,
unsigned long long mlen,
const unsigned char *n,
const unsigned char *k)
{
return crypto_secretbox_xsalsa20poly1305(c, m, mlen, n, k);
}
main()
{
int i;
crypto_secretbox_xsalsa20poly1305(
c,m,163,nonce,firstkey
);
for (i = 16;i < 163;++i) {
printf(",0x%02x",(unsigned int) c[i]);
if (i % 8 == 7) printf("\n");
}
printf("\n");
return 0;
}
/*
* wrapper around crypto_secretbox.
* operates on buf "in place".
* box will be used to hold the additional auth tag data.
*/
static void
symencryptmsg(uint8_t *buf, unsigned long long msglen, uint8_t *box, uint8_t *symkey)
{
uint8_t *cmsg, *msg;
randombytes(box, SYMNONCEBYTES);
msg = xmalloc(msglen + SYMZEROBYTES);
memset(msg, 0, SYMZEROBYTES);
memcpy(msg + SYMZEROBYTES, buf, msglen);
cmsg = xmalloc(msglen + SYMZEROBYTES);
crypto_secretbox_xsalsa20poly1305(cmsg, msg, msglen + SYMZEROBYTES,
box, symkey);
xfree(msg, msglen + SYMZEROBYTES);
memcpy(box + SYMNONCEBYTES, cmsg + SYMBOXZEROBYTES, SYMBOXBYTES);
memcpy(buf, cmsg + SYMZEROBYTES, msglen);
xfree(cmsg, msglen + SYMZEROBYTES);
}
