/** * Returns whether this response is valid. * * @param SignatureComposer $composer * @return bool */ public function isValid(SignatureComposer $composer) { // Constant Time String Comparison @see http://php.net/hash_equals if (!function_exists('hash_equals')) { // Polyfill for PHP < 5.6 return Security::hashEquals($composer->compose($this->parameters), $this->signature); } else { return hash_equals($composer->compose($this->parameters), $this->signature); } }
/** * Returns whether this response is valid. * * @param SignatureComposer $composer * @return bool */ public function isValid(SignatureComposer $composer) { return $this->signature === $composer->compose($this->parameters); }