server/lib/public/security/stringutils.php

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<?php
/**
* Copyright (c) 2014 Lukas Reschke <lukas@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OCP\Security;
class StringUtils {
/**
* Compares whether two strings are equal. To prevent guessing of the string
* length this is done by comparing two hashes against each other and afterwards
* a comparison of the real string to prevent against the unlikely chance of
* collisions.
* @param string $expected The expected value
* @param string $input The input to compare against
* @return bool True if the two strings are equal, otherwise false.
*/
public static function equals($expected, $input) {
return \OC\Security\StringUtils::equals($expected, $input);
}
}