114     private static function keccak64($in_raw, $capacity, $outputlength, $suffix, $raw_output)  argument
164         return $raw_output ? $r : bin2hex($r);
254     private static function keccak32($in_raw, $capacity, $outputlength, $suffix, $raw_output)  argument
308         return $raw_output ? $r: bin2hex($r);
339     private static function keccak($in_raw, $capacity, $outputlength, $suffix, $raw_output)  argument
344             return self::keccak64($in_raw, $capacity, $outputlength, $suffix, $raw_output);
347         return self::keccak32($in_raw, $capacity, $outputlength, $suffix, $raw_output);
350     public static function hash($in, $mdlen, $raw_output = false)  argument
356         return self::keccak($in, $mdlen, $mdlen, 0x06, $raw_output);
359     public static function shake($in, $security_level, $outlen, $raw_output = false)  argument
365         return self::keccak($in, $security_level, $outlen, 0x1f, $raw_output);