PHP Salt::box Examples

Example #1

File: box.php Project: rugk/Salt

<?php

include "../autoload.php";
// alice generate key pair
$alice = Salt::box_keypair();
$alice_privatekey = $alice[0];
$alice_publickey = $alice[1];
// bob generate key pair
$bob = Salt::box_keypair();
$bob_privatekey = $bob[0];
$bob_publickey = $bob[1];
$msg = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
// alice generate 24 byte nonce
$nonce = Salt::randombytes(24);
// alice encrypt the message using her private key, bob publickey and a nonce
$chipertext = Salt::box($msg, $alice_privatekey, $bob_publickey, $nonce);
// bob decrypt the chipertext from alice using his private key, alice public key and
// a nonce received from alice
$the_message = Salt::box_open($chipertext, $bob_privatekey, $alice_publickey, $nonce);
if (!$the_message) {
    echo 'This is a bug';
} else {
    // bob read the message
    echo $the_message->toString();
}
echo "\n";