protected function doRun()
{
$cryptTool = CryptTool::getInstance();
$keyPair = $cryptTool->generateKeyPair();
$privateKeyHex = $cryptTool->bin2hex($keyPair->privateKey);
$publicKeyHex = $cryptTool->bin2hex($keyPair->publicKey);
file_put_contents($this->getArgument(self::argPrivateKeyFile), Common::convertPrivateKey($privateKeyHex) . "\n");
file_put_contents($this->getArgument(self::argPublicKeyFile), Common::convertPublicKey($publicKeyHex) . "\n");
Common::l('key pair generated');
}
/**
* Unsets/removes a variable.
*
* Important: When using PHPv7, make sure to have at least version 1.0.1 of
* the Libsodium PECL (libsodium-php) installed. Otherwise this falls back to
* the (insecure) PHP method of removing a variable.
*
* @link https://paragonie.com/book/pecl-libsodium/read/03-utilities-helpers.md#memzero
* @param string $var A variable, passed by reference
*/
public function removeVar(&$var)
{
// check if version is compatible
if (version_compare(PHP_VERSION, '7.0', '>=') && version_compare(phpversion('libsodium'), '1.0.1', '<')) {
// if not, fall back to PHP implementation
return parent::removeVar($var);
}
/** @noinspection PhpUndefinedNamespaceInspection @noinspection PhpUndefinedFunctionInspection */
return \Sodium\memzero($var);
}