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--TEST--
Check for libsodium box
--SKIPIF--
<?php if (!extension_loaded("sodium")) print "skip"; ?>
--FILE--
<?php
$keypair = sodium_crypto_box_keypair();
var_dump(strlen($keypair) === SODIUM_CRYPTO_BOX_KEYPAIRBYTES);
$sk = sodium_crypto_box_secretkey($keypair);
var_dump(strlen($sk) === SODIUM_CRYPTO_BOX_SECRETKEYBYTES);
$pk = sodium_crypto_box_publickey($keypair);
var_dump(strlen($pk) === SODIUM_CRYPTO_BOX_PUBLICKEYBYTES);
var_dump($pk !== $sk);
$pk2 = sodium_crypto_box_publickey_from_secretkey($sk);
var_dump($pk === $pk2);
$pk2 = sodium_crypto_scalarmult_base($sk);
var_dump($pk === $pk2);
$keypair2 = sodium_crypto_box_keypair_from_secretkey_and_publickey($sk, $pk);
var_dump($keypair === $keypair2);
$seed_x = str_repeat('x', SODIUM_CRYPTO_BOX_SEEDBYTES);
$seed_y = str_repeat('y', SODIUM_CRYPTO_BOX_SEEDBYTES);
$alice_box_kp = sodium_crypto_box_seed_keypair($seed_x);
$bob_box_kp = sodium_crypto_box_seed_keypair($seed_y);
$message_nonce = random_bytes(SODIUM_CRYPTO_BOX_NONCEBYTES);
$alice_box_secretkey = sodium_crypto_box_secretkey($alice_box_kp);
$bob_box_publickey = sodium_crypto_box_publickey($bob_box_kp);
$alice_to_bob_kp = sodium_crypto_box_keypair_from_secretkey_and_publickey(
$alice_box_secretkey,
$bob_box_publickey
);
$msg = "Here is another message, to be signed using Alice's secret key, and " .
"to be encrypted using Bob's public key. The keys will always be the same " .
"since they are derived from a fixed seeds";
$ciphertext = sodium_crypto_box(
$msg,
$message_nonce,
$alice_to_bob_kp
);
try {
$ciphertext = sodium_crypto_box(
$msg,
$message_nonce,
substr($alice_to_bob_kp, 1)
);
} catch (SodiumException $ex) {
echo $ex->getMessage(), PHP_EOL;
}
sodium_memzero($alice_box_kp);
sodium_memzero($bob_box_kp);
$alice_box_kp = sodium_crypto_box_seed_keypair($seed_x);
$bob_box_kp = sodium_crypto_box_seed_keypair($seed_y);
$alice_box_publickey = sodium_crypto_box_publickey($alice_box_kp);
$bob_box_secretkey = sodium_crypto_box_secretkey($bob_box_kp);
$bob_to_alice_kp = sodium_crypto_box_keypair_from_secretkey_and_publickey(
$bob_box_secretkey,
$alice_box_publickey
);
$plaintext = sodium_crypto_box_open(
$ciphertext,
$message_nonce,
$bob_to_alice_kp
);
var_dump($msg === $plaintext);
$alice_kp = sodium_crypto_box_keypair();
$alice_secretkey = sodium_crypto_box_secretkey($alice_kp);
$alice_publickey = sodium_crypto_box_publickey($alice_kp);
$bob_kp = sodium_crypto_box_keypair();
$bob_secretkey = sodium_crypto_box_secretkey($bob_kp);
$bob_publickey = sodium_crypto_box_publickey($bob_kp);
$alice_to_bob_kp = sodium_crypto_box_keypair_from_secretkey_and_publickey
($alice_secretkey, $bob_publickey);
$bob_to_alice_kp = sodium_crypto_box_keypair_from_secretkey_and_publickey
($bob_secretkey, $alice_publickey);
$alice_to_bob_message_nonce = random_bytes(SODIUM_CRYPTO_BOX_NONCEBYTES);
$alice_to_bob_ciphertext = sodium_crypto_box('Hi, this is Alice',
$alice_to_bob_message_nonce,
$alice_to_bob_kp);
$alice_message_decrypted_by_bob = sodium_crypto_box_open($alice_to_bob_ciphertext,
$alice_to_bob_message_nonce,
$bob_to_alice_kp);
$bob_to_alice_message_nonce = random_bytes(SODIUM_CRYPTO_BOX_NONCEBYTES);
$bob_to_alice_ciphertext = sodium_crypto_box('Hi Alice! This is Bob',
$bob_to_alice_message_nonce,
$bob_to_alice_kp);
$bob_message_decrypted_by_alice = sodium_crypto_box_open($bob_to_alice_ciphertext,
$bob_to_alice_message_nonce,
$alice_to_bob_kp);
var_dump($alice_message_decrypted_by_bob);
var_dump($bob_message_decrypted_by_alice);
if (SODIUM_LIBRARY_MAJOR_VERSION > 7 ||
(SODIUM_LIBRARY_MAJOR_VERSION == 7 &&
SODIUM_LIBRARY_MINOR_VERSION >= 5)) {
$anonymous_message_to_alice = sodium_crypto_box_seal('Anonymous message',
$alice_publickey);
$decrypted_message = sodium_crypto_box_seal_open($anonymous_message_to_alice,
$alice_kp);
} else {
$decrypted_message = 'Anonymous message';
}
var_dump($decrypted_message);
$msg = sodium_hex2bin(
'7375f4094f1151640bd853cb13dbc1a0ee9e13b0287a89d34fa2f6732be9de13f88457553d'.
'768347116522d6d32c9cb353ef07aa7c83bd129b2bb5db35b28334c935b24f2639405a0604'
);
$kp = sodium_hex2bin(
'36a6c2b96a650d80bf7e025e0f58f3d636339575defb370801a54213bd54582d'.
'5aecbcf7866e7a4d58a6c1317e2b955f54ecbe2fcbbf7d262c10636ed524480c'
);
var_dump(sodium_crypto_box_seal_open($msg, $kp));
?>
--EXPECT--
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
sodium_crypto_box(): Argument #3 ($key_pair) must be SODIUM_CRYPTO_BOX_KEYPAIRBYTES bytes long
bool(true)
string(17) "Hi, this is Alice"
string(21) "Hi Alice! This is Bob"
string(17) "Anonymous message"
string(26) "This is for your eyes only"
|
