/**
* @covers Symmetric::authenticate()
* @covers Symmetric::verify()
*/
public function testAuthenticateFail()
{
$key = new AuthenticationKey(new HiddenString(\str_repeat('A', 32), true));
$message = 'test message';
$mac = Symmetric::authenticate($message, $key, true);
// Test invalid message
$this->assertFalse(Symmetric::verify('othermessage', $key, $mac, true));
$r = \Sodium\randombytes_uniform(\mb_strlen($mac, '8bit'));
$_mac = $mac;
$_mac[$r] = \chr(\ord($_mac[$r]) ^ 1 << \Sodium\randombytes_uniform(8));
// Test invalid signature
$this->assertFalse(Symmetric::verify($message, $key, $_mac, true));
}
/**
* @param int $userID
* @return string
*/
public function createRecoveryToken(int $userID) : string
{
$this->db->beginTransaction();
$selector = Base64UrlSafe::encode(\random_bytes(static::RECOVERY_SELECTOR_BYTES));
$token = Base64UrlSafe::encode(\random_bytes(static::RECOVERY_TOKEN_BYTES));
$state = State::instance();
$hashedToken = Symmetric::authenticate($token . $userID, $state->keyring['auth.recovery_key']);
$this->db->insert('airship_user_recovery', ['userid' => $userID, 'selector' => $selector, 'hashedtoken' => $hashedToken, 'created' => (new \DateTime('NOW'))->format(\AIRSHIP_DATE_FORMAT)]);
if (!$this->db->commit()) {
return '';
}
return $selector . $token;
}