// // Data+Extensions.swift // NotificationService // // Created by Djorkaeff Alexandre Vilela Pereira on 9/18/20. // Copyright © 2020 Facebook. All rights reserved. // import Foundation extension Data { static func randomBytes(length: Int) -> Data { let bytes = [UInt32](repeating: 0, count: length).map { _ in arc4random() } let data = Data(bytes: bytes, count: length) return data } static func join(vector: Data, data: Data) -> Data { var v = vector v.append(data) return v } }