// // Copyright (c) 2018 Open Whisper Systems. All rights reserved. // import Foundation extension Data { public var hexadecimalString: String { return (self as NSData).hexadecimalString() } public static func data(fromHex hexString: String) -> Data? { guard let data = NSData(fromHexString : hexString) else { return nil } return data as Data } public func ows_constantTimeIsEqual(to other: Data) -> Bool { return (self as NSData).ows_constantTimeIsEqual(to: other) } }