/**
* Create a new encryption keypair
* @return array publicKey, privatekey
*/
public static function createKeypair()
{
$return = false;
$res = Helper::getOpenSSLPkey();
if ($res === false) {
\OCP\Util::writeLog('Encryption library', 'couldn\'t generate users key-pair for ' . \OCP\User::getUser(), \OCP\Util::ERROR);
while ($msg = openssl_error_string()) {
\OCP\Util::writeLog('Encryption library', 'openssl_pkey_new() fails: ' . $msg, \OCP\Util::ERROR);
}
} elseif (openssl_pkey_export($res, $privateKey, null, Helper::getOpenSSLConfig())) {
// Get public key
$keyDetails = openssl_pkey_get_details($res);
$publicKey = $keyDetails['key'];
$return = array('publicKey' => $publicKey, 'privateKey' => $privateKey);
} else {
\OCP\Util::writeLog('Encryption library', 'couldn\'t export users private key, please check your servers openSSL configuration.' . \OCP\User::getUser(), \OCP\Util::ERROR);
while ($errMsg = openssl_error_string()) {
\OCP\Util::writeLog('Encryption library', $errMsg, \OCP\Util::ERROR);
}
}
return $return;
}