public function create()
{
$algo = 'twofish';
$mode = 'cbc';
$iv = mcrypt_create_iv(mcrypt_get_iv_size($algo, $mode));
$hash = 'sha256';
$password = $this->password;
$message = $this->message;
$key = hash($hash, $password, false);
$td = mcrypt_module_open($algo, '', $mode, '');
mcrypt_generic_init($td, $password, $iv);
$encmsg = mcrypt_generic($td, $message);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
$spastie = new Spastie();
$spastie->key = $key;
$spastie->msg = base64_encode($encmsg);
$spastie->iv = bin2hex($iv);
return $spastie->save();
}
public function fetch()
{
$algo = 'twofish';
$mode = 'cbc';
$hash = 'sha256';
$password = $this->password;
$key = hash($hash, $password, false);
$spastie = Spastie::find()->where(['key' => $key])->one();
if ($spastie) {
$td = mcrypt_module_open($algo, '', $mode, '');
$iv = hex2bin($spastie->iv);
mcrypt_generic_init($td, $password, $iv);
$contents = mdecrypt_generic($td, base64_decode($spastie->msg));
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
return [true, $contents];
} else {
return [false, ''];
}
}