Salt/example/box.php at master · devi/Salt · GitHub

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<?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";

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