--- /dev/null
+//
+// Data+OAuthSwift.swift
+// OAuthSwift
+//
+// Created by Dongri Jin on 1/28/15.
+// Copyright (c) 2015 Dongri Jin. All rights reserved.
+//
+
+import Foundation
+
+extension Data {
+
+ internal init(data: Data) {
+ self.init()
+ self.append(data)
+ }
+
+ internal mutating func append(_ bytes: [UInt8]) {
+ self.append(bytes, count: bytes.count)
+ }
+ internal mutating func append(_ byte: UInt8) {
+ append([byte])
+ }
+ internal mutating func append(_ byte: UInt16) {
+ append(UInt8(byte >> 0 & 0xFF))
+ append(UInt8(byte >> 8 & 0xFF))
+ }
+ internal mutating func append(_ byte: UInt32) {
+ append(UInt16(byte >> 0 & 0xFFFF))
+ append(UInt16(byte >> 16 & 0xFFFF))
+ }
+ internal mutating func append(_ byte: UInt64) {
+ append(UInt32(byte >> 0 & 0xFFFFFFFF))
+ append(UInt32(byte >> 32 & 0xFFFFFFFF))
+ }
+
+ var bytes: [UInt8] {
+ return Array(self)
+ /* let count = self.count / MemoryLayout<UInt8>.size
+ var bytesArray = [UInt8](repeating: 0, count: count)
+ self.copyBytes(to:&bytesArray, count: count * MemoryLayout<UInt8>.size)
+ return bytesArray*/
+ }
+
+}