Deactivate maccatalyst (as long as it’s not figured out how to compile)

Remove unnecacessary swiftlint disabling
Add dynamic ReceiptOrigin, useful for tests
2019-08-27 17:07:57 +02:00 · 2019-08-27 17:00:02 +02:00 · 2019-08-27 16:59:29 +02:00 · 2019-05-31 15:10:24 +02:00 · 2019-05-31 13:29:13 +02:00 · 2019-05-31 13:28:24 +02:00
30 changed files with 436 additions and 379 deletions
@@ -1,18 +1,18 @@
 language: objective-c
-osx_image: xcode9.2
+osx_image: xcode10.2

 env:
  global:
-  - LC_CTYPE=en_US.UTF-8
-  - LANG=en_US.UTF-8
-  - PROJECT=AppReceiptValidator/AppReceiptValidator.xcodeproj
-
-matrix:
-    - DESTINATION="OS=11.2,name=iPhone X"          SCHEME="AppReceiptValidator Demo iOS"
+    - LC_CTYPE=en_US.UTF-8
+    - LANG=en_US.UTF-8
+    - PROJECT=AppReceiptValidator/AppReceiptValidator.xcodeproj
+  matrix:
+    - DESTINATION="OS=12.2,name=iPhone X"          SCHEME="AppReceiptValidator Demo iOS"
    - DESTINATION="arch=x86_64"                    SCHEME="AppReceiptValidator Demo macOS"

 script:
  - set -o pipefail
  - xcodebuild -version
  - xcodebuild -showsdks
+  - echo "PROJECT $PROJECT, SCHEME $SCHEME, DESTINATION $DESTINATION"
  - xcodebuild -project "$PROJECT" -scheme "$SCHEME" -destination "$DESTINATION" -configuration Debug ONLY_ACTIVE_ARCH=NO ENABLE_TESTABILITY=YES test | xcpretty;
@@ -1,7 +0,0 @@
-sources:
-  - AppReceiptValidator
-  - Sourcery/Protocols
-templates:
-  - Sourcery/Templates  
-output:
-  Sourcery/Generated
@@ -4,7 +4,7 @@ disabled_rules:
  - nesting
  - todo
 excluded: 
-  - Sourcery/Generated
+  - excluded_dir_example
 file_length: 
  warning: 500
 large_tuple: 
@@ -13,7 +13,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        return true
    }
 }
@@ -9,9 +9,8 @@
 import AppReceiptValidator
 import UIKit

-
-// MARK: - ViewController
-
+/// Displays two textfields. One to paste a receipt into as base64 string, the other displaying the parsed receipt.
+/// A device identifier for validation is not supported, have a look at the mac demo instead.
 class ViewController: UIViewController, UITextViewDelegate {

    @IBOutlet private var inputTextView: UITextView!
@@ -24,8 +23,8 @@ class ViewController: UIViewController, UITextViewDelegate {
        self.inputTextView.delegate = self
        self.inputTextView.text = ""
        self.outputTextView.text = "Parsed Receipt will be shown here"
-        NotificationCenter.default.addObserver(self, selector: #selector(triggerAutoPaste), name: .UIApplicationWillEnterForeground, object: nil)
-        NotificationCenter.default.addObserver(self, selector: #selector(triggerAutoPaste), name: .UIPasteboardChanged, object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(triggerAutoPaste), name: UIApplication.willEnterForegroundNotification, object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(triggerAutoPaste), name: UIPasteboard.changedNotification, object: nil)
    }

    override func viewDidAppear(_ animated: Bool) {
@@ -1,10 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict>
-    <key>com.apple.security.app-sandbox</key>
-    <true/>
-    <key>com.apple.security.files.user-selected.read-only</key>
-    <true/>
-</dict>
+<dict/>
 </plist>
@@ -1,9 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="13771" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" initialViewController="B8D-0N-5wS">
+<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="14460.31" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" initialViewController="B8D-0N-5wS">
    <dependencies>
        <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="13771"/>
-        <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14460.31"/>
        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <scenes>
@@ -686,7 +685,7 @@
        <scene sceneID="R2V-B0-nI4">
            <objects>
                <windowController id="B8D-0N-5wS" sceneMemberID="viewController">
-                    <window key="window" title="AppReceiptValidator Receipt Parser" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" oneShot="NO" releasedWhenClosed="NO" showsToolbarButton="NO" visibleAtLaunch="NO" animationBehavior="default" id="IQv-IB-iLA">
+                    <window key="window" title="AppReceiptValidator Receipt Parser" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" visibleAtLaunch="NO" animationBehavior="default" id="IQv-IB-iLA">
                        <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
                        <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
                        <rect key="contentRect" x="196" y="240" width="480" height="270"/>
@@ -712,78 +711,93 @@
                        <autoresizingMask key="autoresizingMask"/>
                        <subviews>
                            <scrollView horizontalLineScroll="10" horizontalPageScroll="10" verticalLineScroll="10" verticalPageScroll="10" hasHorizontalScroller="NO" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="ynK-dw-fFc">
-                                <rect key="frame" x="0.0" y="0.0" width="316" height="270"/>
-                                <clipView key="contentView" id="yEL-yO-YvB">
-                                    <rect key="frame" x="1" y="1" width="314" height="268"/>
+                                <rect key="frame" x="0.0" y="22" width="316" height="248"/>
+                                <clipView key="contentView" drawsBackground="NO" id="yEL-yO-YvB">
+                                    <rect key="frame" x="1" y="1" width="314" height="246"/>
                                    <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                    <subviews>
                                        <textView toolTip="Paste Base64 here" importsGraphics="NO" richText="NO" verticallyResizable="YES" usesFontPanel="YES" findStyle="panel" allowsCharacterPickerTouchBarItem="NO" allowsUndo="YES" usesRuler="YES" allowsNonContiguousLayout="YES" textCompletion="NO" id="0xW-mT-lME" customClass="DropAcceptingTextView" customModule="AppReceiptValidator_Demo_macOS" customModuleProvider="target">
-                                            <rect key="frame" x="0.0" y="0.0" width="314" height="268"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="314" height="246"/>
                                            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                                            <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
-                                            <size key="minSize" width="314" height="268"/>
+                                            <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
+                                            <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                            <size key="minSize" width="314" height="246"/>
                                            <size key="maxSize" width="629" height="10000000"/>
-                                            <color key="insertionPointColor" white="0.0" alpha="1" colorSpace="calibratedWhite"/>
+                                            <color key="insertionPointColor" name="textColor" catalog="System" colorSpace="catalog"/>
                                        </textView>
                                    </subviews>
-                                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                                </clipView>
-                                <scroller key="horizontalScroller" hidden="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="YES" id="TaD-v9-pOg">
+                                <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="YES" id="TaD-v9-pOg">
                                    <rect key="frame" x="-100" y="-100" width="87" height="18"/>
                                    <autoresizingMask key="autoresizingMask"/>
                                </scroller>
-                                <scroller key="verticalScroller" verticalHuggingPriority="750" doubleValue="1" horizontal="NO" id="hkR-e4-WtN">
-                                    <rect key="frame" x="299" y="1" width="16" height="268"/>
+                                <scroller key="verticalScroller" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="NO" id="hkR-e4-WtN">
+                                    <rect key="frame" x="299" y="1" width="16" height="246"/>
                                    <autoresizingMask key="autoresizingMask"/>
                                </scroller>
                            </scrollView>
                            <scrollView toolTip="Parsed Receipt will be shown here" horizontalLineScroll="10" horizontalPageScroll="10" verticalLineScroll="10" verticalPageScroll="10" hasHorizontalScroller="NO" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="6mt-ay-mAL">
                                <rect key="frame" x="316" y="0.0" width="315" height="270"/>
-                                <clipView key="contentView" id="YwZ-F9-Cvh">
+                                <clipView key="contentView" drawsBackground="NO" id="YwZ-F9-Cvh">
                                    <rect key="frame" x="1" y="1" width="313" height="268"/>
                                    <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                    <subviews>
                                        <textView importsGraphics="NO" richText="NO" verticallyResizable="YES" usesFontPanel="YES" findStyle="panel" allowsCharacterPickerTouchBarItem="NO" allowsUndo="YES" usesRuler="YES" allowsNonContiguousLayout="YES" textCompletion="NO" id="GHT-gS-G1g" customClass="TextView" customModule="AppReceiptValidator_Demo_macOS" customModuleProvider="target">
                                            <rect key="frame" x="0.0" y="0.0" width="313" height="268"/>
                                            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                                            <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                            <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
+                                            <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
                                            <size key="minSize" width="313" height="268"/>
                                            <size key="maxSize" width="463" height="10000000"/>
-                                            <color key="insertionPointColor" white="0.0" alpha="1" colorSpace="calibratedWhite"/>
+                                            <color key="insertionPointColor" name="textColor" catalog="System" colorSpace="catalog"/>
                                        </textView>
                                    </subviews>
-                                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                                </clipView>
-                                <scroller key="horizontalScroller" hidden="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="YES" id="xmd-vm-w1P">
+                                <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="YES" id="xmd-vm-w1P">
                                    <rect key="frame" x="-100" y="-100" width="87" height="18"/>
                                    <autoresizingMask key="autoresizingMask"/>
                                </scroller>
-                                <scroller key="verticalScroller" verticalHuggingPriority="750" doubleValue="1" horizontal="NO" id="uk9-Sg-RUp">
+                                <scroller key="verticalScroller" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="NO" id="uk9-Sg-RUp">
                                    <rect key="frame" x="298" y="1" width="16" height="268"/>
                                    <autoresizingMask key="autoresizingMask"/>
                                </scroller>
                            </scrollView>
+                            <textField verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="yvX-By-nNw">
+                                <rect key="frame" x="0.0" y="0.0" width="316" height="22"/>
+                                <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" borderStyle="bezel" placeholderString="Optional DeviceIdentifier for Validation (MAC Address, UUID, Base64)" drawsBackground="YES" id="Z2r-sB-vIS">
+                                    <font key="font" usesAppearanceFont="YES"/>
+                                    <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                                <connections>
+                                    <action selector="identifierDidChange:" target="XfG-lQ-9wD" id="ccM-mH-NPQ"/>
+                                </connections>
+                            </textField>
                        </subviews>
                        <constraints>
+                            <constraint firstItem="6mt-ay-mAL" firstAttribute="leading" secondItem="yvX-By-nNw" secondAttribute="trailing" id="231-cE-39Q"/>
                            <constraint firstItem="6mt-ay-mAL" firstAttribute="top" secondItem="m2S-Jp-Qdl" secondAttribute="top" id="CdY-lv-wee"/>
                            <constraint firstItem="ynK-dw-fFc" firstAttribute="leading" secondItem="m2S-Jp-Qdl" secondAttribute="leading" id="Cvz-FD-lzg"/>
+                            <constraint firstItem="yvX-By-nNw" firstAttribute="top" secondItem="ynK-dw-fFc" secondAttribute="bottom" id="KSy-yc-TCD"/>
+                            <constraint firstItem="ynK-dw-fFc" firstAttribute="top" secondItem="m2S-Jp-Qdl" secondAttribute="top" id="Rno-M6-Pjq"/>
                            <constraint firstItem="6mt-ay-mAL" firstAttribute="width" secondItem="m2S-Jp-Qdl" secondAttribute="width" multiplier="1:2" id="SWu-Yn-pVc"/>
+                            <constraint firstAttribute="bottom" secondItem="yvX-By-nNw" secondAttribute="bottom" id="WOQ-2e-jWj"/>
                            <constraint firstAttribute="trailing" secondItem="6mt-ay-mAL" secondAttribute="trailing" id="Yun-Rd-wsm"/>
-                            <constraint firstItem="ynK-dw-fFc" firstAttribute="top" secondItem="m2S-Jp-Qdl" secondAttribute="top" id="gIn-Ps-HEe"/>
                            <constraint firstAttribute="bottom" secondItem="6mt-ay-mAL" secondAttribute="bottom" id="lKc-RV-ybx"/>
-                            <constraint firstAttribute="bottom" secondItem="ynK-dw-fFc" secondAttribute="bottom" id="qAW-TV-hHz"/>
+                            <constraint firstItem="yvX-By-nNw" firstAttribute="leading" secondItem="m2S-Jp-Qdl" secondAttribute="leading" id="s2r-QB-ZQb"/>
                            <constraint firstItem="ynK-dw-fFc" firstAttribute="width" secondItem="m2S-Jp-Qdl" secondAttribute="width" multiplier="1:2" id="wsI-iB-DvJ"/>
                        </constraints>
                    </view>
                    <connections>
                        <outlet property="dropReceivingView" destination="0xW-mT-lME" id="cuR-H1-BKN"/>
+                        <outlet property="identifierTextField" destination="yvX-By-nNw" id="pW5-lJ-8Cy"/>
                        <outlet property="inputTextView" destination="0xW-mT-lME" id="8Y7-yb-63r"/>
                        <outlet property="outputTextView" destination="GHT-gS-G1g" id="cVN-4m-knJ"/>
                    </connections>
                </viewController>
                <customObject id="rPt-NT-nkU" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
            </objects>
-            <point key="canvasLocation" x="76" y="726"/>
+            <point key="canvasLocation" x="75.5" y="726"/>
        </scene>
    </scenes>
 </document>
@@ -32,7 +32,7 @@ final class DropAcceptingTextView: NSTextView {
    }

    override func performDragOperation(_ sender: NSDraggingInfo) -> Bool {
-        if let fileURL = sender.fileURLs.first  {
+        if let fileURL = sender.fileURLs.first {
            self.handleDroppedFile?(fileURL)
            return true
        }
@@ -43,7 +43,7 @@ final class DropAcceptingTextView: NSTextView {
 fileprivate extension NSDraggingInfo {

    var fileURLs: [URL] {
-        let asStrings = self.draggingPasteboard().propertyList(forType: makeFileNameType()) as? [String] ?? []
+        let asStrings = self.draggingPasteboard.propertyList(forType: makeFileNameType()) as? [String] ?? []
        return asStrings.map { URL(fileURLWithPath: $0) }
    }
 }
@@ -9,12 +9,13 @@
 import AppReceiptValidator
 import Cocoa

+/// Displays two textfields. One to paste a receipt into as base64 string, the other displaying the parsed receipt.
+/// A device identifier can be added in a third field, which is then used to validate the receipt.
+class ViewController: NSViewController, NSTextViewDelegate, NSTextFieldDelegate {

-// MARK: - ViewController
-
-class ViewController: NSViewController, NSTextViewDelegate {
-
+    private var textFieldObserver: Any?
    @IBOutlet private var inputTextView: NSTextView!
+    @IBOutlet private var identifierTextField: NSTextField!
    @IBOutlet private var outputTextView: NSTextView!
    @IBOutlet private var dropReceivingView: DropAcceptingTextView!

@@ -28,12 +29,24 @@ class ViewController: NSViewController, NSTextViewDelegate {
        self.dropReceivingView.handleDroppedFile = { [unowned self] url in
            self.update(url: url)
        }
+        self.textFieldObserver = NotificationCenter.default.addObserver(forName: NSTextField.textDidChangeNotification, object: self.identifierTextField, queue: .main) { [weak self] _ in
+            guard let self = self else { return }
+
+            self.identifierDidChange(self.identifierTextField)
+        }
    }

    // MARK: - NSTextViewDelegate

    func textDidChange(_ notification: Notification) {
-        let string = inputTextView.string
+        let string = self.inputTextView.string
+        self.update(base64String: string)
+    }
+
+    // MARK: - Identifier Textfield
+
+    @IBAction func identifierDidChange(_ sender: NSTextField) {
+        let string = self.inputTextView.string
        self.update(base64String: string)
    }

@@ -57,7 +70,8 @@ private extension ViewController {
        }
        do {
            let result = try AppReceiptValidator().parseUnofficialReceipt(origin: .data(data))
-            self.render(string: "\(result.receipt)\n\(result.unofficialReceipt)")
+            let validationResult = self.validateReceiptIfNecessary(data: data, macAddress: self.identifierTextField.stringValue) ?? "<Receipt not Validated, No Identifier provided, Supported: UUID, base64, MAC-Address>"
+            self.render(string: "\(validationResult)\n\n✅ Receipt Parsed\n\(result.receipt)\n\(result.unofficialReceipt)")
        } catch {
            self.render(string: "\(error)")
        }
@@ -79,6 +93,26 @@ private extension ViewController {
        }
    }

+    func validateReceiptIfNecessary(data: Data, macAddress: String?) -> String? {
+        guard let macAddress = macAddress, macAddress.isEmpty == false else { return nil }
+
+        let sanitized = macAddress.trimmingCharacters(in: .whitespacesAndNewlines)
+        let deviceIdentifier = AppReceiptValidator.Parameters.DeviceIdentifier(macAddress: sanitized) ??
+            (UUID(uuidString: sanitized).flatMap { AppReceiptValidator.Parameters.DeviceIdentifier(uuid: $0) }) ??
+            AppReceiptValidator.Parameters.DeviceIdentifier(base64Encoded: sanitized)
+        guard let identifier = deviceIdentifier else { return "<Receipt not Validated\nIdentifier not parseable>" }
+
+        let parameters = AppReceiptValidator.Parameters(receiptOrigin: .data(data), shouldValidateSignaturePresence: true, signatureValidation: .shouldValidate(rootCertificateOrigin: .cerFileBundledWithAppReceiptValidator), shouldValidateHash: true, deviceIdentifier: identifier, propertyValidations: [])
+        let result = AppReceiptValidator().validateReceipt(parameters: parameters)
+
+        switch result {
+        case .success:
+            return "✅ Receipt Validated\nSignature and Hash Check successful"
+        case .error(let error, _, _):
+            return "❌ Receipt Invalid\n\(error)"
+        }
+    }
+
    func render(string: String) {
        self.outputTextView.string = string
    }
@@ -22,7 +22,6 @@ class AppReceiptValidationInAppPurchaseTests: XCTestCase {
        } catch {
            XCTFail("Unexpectedly failed parsing a receipt \(error)")
        }
-
    }

    func testNonMindNodeReceiptParsingWithMultipleInAppPurchases() {
@@ -55,7 +54,7 @@ class AppReceiptValidationInAppPurchaseTests: XCTestCase {
            expirationDate: nil,
            inAppPurchaseReceipts: [
                InAppPurchaseReceipt(
-                    quantity: nil,
+                    quantity: 1,
                    productIdentifier: "consumable",
                    transactionIdentifier: "1000000166865231",
                    originalTransactionIdentifier: "1000000166865231",
@@ -63,10 +62,10 @@ class AppReceiptValidationInAppPurchaseTests: XCTestCase {
                    originalPurchaseDate: Date.demoDate(string: "2015-08-07T20:37:55Z"),
                    subscriptionExpirationDate: nil,
                    cancellationDate: nil,
-                    webOrderLineItemId: nil
+                    webOrderLineItemId: 0
                ),
                InAppPurchaseReceipt(
-                    quantity: nil,
+                    quantity: 1,
                    productIdentifier: "monthly",
                    transactionIdentifier: "1000000166965150",
                    originalTransactionIdentifier: "1000000166965150",
@@ -74,10 +73,10 @@ class AppReceiptValidationInAppPurchaseTests: XCTestCase {
                    originalPurchaseDate: Date.demoDate(string: "2015-08-10T06:49:33Z"),
                    subscriptionExpirationDate: Date.demoDate(string: "2015-08-10T06:54:32Z"),
                    cancellationDate: nil,
-                    webOrderLineItemId: nil
+                    webOrderLineItemId: 1000000030274153
                ),
-                InAppPurchaseReceipt( // restores
-                    quantity: nil,
+                InAppPurchaseReceipt(
+                    quantity: 1,
                    productIdentifier: "monthly",
                    transactionIdentifier: "1000000166965327",
                    originalTransactionIdentifier: "1000000166965150",
@@ -85,10 +84,10 @@ class AppReceiptValidationInAppPurchaseTests: XCTestCase {
                    originalPurchaseDate: Date.demoDate(string: "2015-08-10T06:53:18Z"),
                    subscriptionExpirationDate: Date.demoDate(string: "2015-08-10T06:59:32Z"),
                    cancellationDate: nil,
-                    webOrderLineItemId: nil
+                    webOrderLineItemId: 1000000030274154
                ),
                InAppPurchaseReceipt(
-                    quantity: nil,
+                    quantity: 1,
                    productIdentifier: "monthly",
                    transactionIdentifier: "1000000166965895",
                    originalTransactionIdentifier: "1000000166965150",
@@ -96,10 +95,10 @@ class AppReceiptValidationInAppPurchaseTests: XCTestCase {
                    originalPurchaseDate: Date.demoDate(string: "2015-08-10T06:57:34Z"),
                    subscriptionExpirationDate: Date.demoDate(string: "2015-08-10T07:04:32Z"),
                    cancellationDate: nil,
-                    webOrderLineItemId: nil
+                    webOrderLineItemId: 1000000030274165
                ),
                InAppPurchaseReceipt(
-                    quantity: nil,
+                    quantity: 1,
                    productIdentifier: "monthly",
                    transactionIdentifier: "1000000166967152",
                    originalTransactionIdentifier: "1000000166965150",
@@ -107,10 +106,10 @@ class AppReceiptValidationInAppPurchaseTests: XCTestCase {
                    originalPurchaseDate: Date.demoDate(string: "2015-08-10T07:02:33Z"),
                    subscriptionExpirationDate: Date.demoDate(string: "2015-08-10T07:09:32Z"),
                    cancellationDate: nil,
-                    webOrderLineItemId: nil
+                    webOrderLineItemId: 1000000030274192
                ),
                InAppPurchaseReceipt(
-                    quantity: nil,
+                    quantity: 1,
                    productIdentifier: "monthly",
                    transactionIdentifier: "1000000166967484",
                    originalTransactionIdentifier: "1000000166965150",
@@ -118,10 +117,10 @@ class AppReceiptValidationInAppPurchaseTests: XCTestCase {
                    originalPurchaseDate: Date.demoDate(string: "2015-08-10T07:08:30Z"),
                    subscriptionExpirationDate: Date.demoDate(string: "2015-08-10T07:14:32Z"),
                    cancellationDate: nil,
-                    webOrderLineItemId: nil
+                    webOrderLineItemId: 1000000030274219
                ),
                InAppPurchaseReceipt(
-                    quantity: nil,
+                    quantity: 1,
                    productIdentifier: "monthly",
                    transactionIdentifier: "1000000166967782",
                    originalTransactionIdentifier: "1000000166965150",
@@ -129,8 +128,9 @@ class AppReceiptValidationInAppPurchaseTests: XCTestCase {
                    originalPurchaseDate: Date.demoDate(string: "2015-08-10T07:12:34Z"),
                    subscriptionExpirationDate: Date.demoDate(string: "2015-08-10T07:19:32Z"),
                    cancellationDate: nil,
-                    webOrderLineItemId: nil
+                    webOrderLineItemId: 1000000030274249
                )
-            ])
+            ]
+        )
    }
 }
@@ -39,7 +39,7 @@ class AppReceiptValidationTests: XCTestCase {
            _ = try receiptValidator.parseReceipt(origin: .data(data))
            XCTFail("Unexpectedly succeeded in parsing a non-receipt")
        } catch {
-            guard let e = error as? AppReceiptValidator.Error, e == AppReceiptValidator.Error.emptyReceiptContents else {
+            guard error as? AppReceiptValidator.Error == AppReceiptValidator.Error.emptyReceiptContents else {
                XCTFail("Unexpected error, expeced .emptyReceiptContents, got \(error)")
                return
            }
@@ -0,0 +1,56 @@
+//
+//  DeviceIdentifierTests.swift
+//  AppReceiptValidator
+//
+//  Created by Hannes Oud on 22.11.18.
+//  Copyright © 2018 IdeasOnCanvas GmbH. All rights reserved.
+//
+
+@testable import AppReceiptValidator
+import Foundation
+import XCTest
+
+final class DeviceIdentifierTests: XCTestCase {
+
+    func testBase64Initializer() {
+        let deviceIdentifier = AppReceiptValidator.Parameters.DeviceIdentifier(base64Encoded: "bEAItZRe")
+        XCTAssertNotNil(deviceIdentifier)
+    }
+
+    func testMacAddressInitializer() {
+        XCTAssertNotNil(AppReceiptValidator.Parameters.DeviceIdentifier(macAddress: "00:0d:3f:cd:02:5f"))
+    }
+
+    func testMacAddressInitializerOtherSeparator() {
+        XCTAssertNotNil(AppReceiptValidator.Parameters.DeviceIdentifier(macAddress: "00-0d-3f-cd-02-5f", separator: "-"))
+    }
+
+    func testUUIDInitializer() {
+        XCTAssertNotNil(AppReceiptValidator.Parameters.DeviceIdentifier(uuid: UUID()))
+    }
+
+    func testCurrent() {
+        let deviceIdentifierData = AppReceiptValidator.Parameters.DeviceIdentifier.currentDevice.getData()
+        XCTAssertNotNil(deviceIdentifierData)
+    }
+
+    #if os(macOS)
+    func testMacAddressRetrieval() {
+        guard let (data, string) = AppReceiptValidator.Parameters.DeviceIdentifier.getPrimaryNetworkMACAddress() else {
+            XCTFail("Failed to get device mac address")
+            return
+        }
+        guard let deviceIdentifierData = AppReceiptValidator.Parameters.DeviceIdentifier.currentDevice.getData() else {
+            XCTFail("Failed to get device mac address")
+            return
+        }
+        XCTAssertEqual(data, deviceIdentifierData)
+        guard let deviceIdentifierFromString = AppReceiptValidator.Parameters.DeviceIdentifier(macAddress: string) else {
+            XCTFail("Failed to get device identifier from mac address string")
+            return
+        }
+        XCTAssertEqual(deviceIdentifierFromString.getData(), deviceIdentifierData)
+    }
+    #endif
+
+}
@@ -47,8 +47,8 @@ extension KnownOrUnknown: RawRepresentable {

 extension KnownOrUnknown: Hashable {

-    public var hashValue: Int {
-        return self.rawValue.hashValue
+    public func hash(into hasher: inout Hasher) {
+        hasher.combine(self.rawValue.hashValue)
    }

    public static func == (lhs: KnownOrUnknown<Known>, rhs: KnownOrUnknown<Known>) -> Bool {
@@ -7,13 +7,11 @@
 	objects = {

 /* Begin PBXBuildFile section */
+		D114544621A6BDE6001BEC61 /* DeviceIdentifierTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D114544521A6BDE6001BEC61 /* DeviceIdentifierTests.swift */; };
+		D114544721A6BDE6001BEC61 /* DeviceIdentifierTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D114544521A6BDE6001BEC61 /* DeviceIdentifierTests.swift */; };
 		D1239FFF1F6A7B5000D0421E /* AppleIncRootCertificate.cer in Resources */ = {isa = PBXBuildFile; fileRef = D19095C41F601DEA0095729B /* AppleIncRootCertificate.cer */; };
 		D123A0001F6A7CCF00D0421E /* AppleIncRootCertificate.cer in Resources */ = {isa = PBXBuildFile; fileRef = D19095C41F601DEA0095729B /* AppleIncRootCertificate.cer */; };
 		D13E5B7D20331B9B001880F0 /* DropAcceptingTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D13E5B7C20331B9B001880F0 /* DropAcceptingTextView.swift */; };
-		D14FA7261F61350F00545540 /* AutoEquatable.swift in Sources */ = {isa = PBXBuildFile; fileRef = D14FA71F1F6134CF00545540 /* AutoEquatable.swift */; };
-		D14FA7271F61351000545540 /* AutoEquatable.swift in Sources */ = {isa = PBXBuildFile; fileRef = D14FA71F1F6134CF00545540 /* AutoEquatable.swift */; };
-		D14FA7291F61351400545540 /* AutoEquatable.generated.swift in Sources */ = {isa = PBXBuildFile; fileRef = D14FA71E1F6134CF00545540 /* AutoEquatable.generated.swift */; };
-		D14FA72A1F61351500545540 /* AutoEquatable.generated.swift in Sources */ = {isa = PBXBuildFile; fileRef = D14FA71E1F6134CF00545540 /* AutoEquatable.generated.swift */; };
 		D14FA7321F61476700545540 /* mac_mindnode_rebought_receipt in Resources */ = {isa = PBXBuildFile; fileRef = D14FA7311F61472400545540 /* mac_mindnode_rebought_receipt */; };
 		D14FA7331F61476800545540 /* mac_mindnode_rebought_receipt in Resources */ = {isa = PBXBuildFile; fileRef = D14FA7311F61472400545540 /* mac_mindnode_rebought_receipt */; };
 		D14FA7381F6181C700545540 /* OpenSSLWrappers.swift in Sources */ = {isa = PBXBuildFile; fileRef = D14FA7371F6181C700545540 /* OpenSSLWrappers.swift */; };
@@ -279,10 +277,8 @@
 /* End PBXCopyFilesBuildPhase section */

 /* Begin PBXFileReference section */
+		D114544521A6BDE6001BEC61 /* DeviceIdentifierTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeviceIdentifierTests.swift; sourceTree = "<group>"; };
 		D13E5B7C20331B9B001880F0 /* DropAcceptingTextView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DropAcceptingTextView.swift; sourceTree = "<group>"; };
-		D14FA71E1F6134CF00545540 /* AutoEquatable.generated.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AutoEquatable.generated.swift; sourceTree = "<group>"; };
-		D14FA71F1F6134CF00545540 /* AutoEquatable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AutoEquatable.swift; sourceTree = "<group>"; };
-		D14FA7221F6134CF00545540 /* AutoEquatable.stencil */ = {isa = PBXFileReference; lastKnownFileType = text; path = AutoEquatable.stencil; sourceTree = "<group>"; };
 		D14FA72E1F6143C400545540 /* Date+Convenience.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Date+Convenience.swift"; sourceTree = "<group>"; };
 		D14FA7311F61472400545540 /* mac_mindnode_rebought_receipt */ = {isa = PBXFileReference; lastKnownFileType = file; path = mac_mindnode_rebought_receipt; sourceTree = "<group>"; };
 		D14FA7371F6181C700545540 /* OpenSSLWrappers.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OpenSSLWrappers.swift; sourceTree = "<group>"; };
@@ -542,40 +538,6 @@
 /* End PBXFrameworksBuildPhase section */

 /* Begin PBXGroup section */
-		D14FA71B1F6134CF00545540 /* Sourcery */ = {
-			isa = PBXGroup;
-			children = (
-				D14FA7231F6134EC00545540 /* Protocols */,
-				D14FA71D1F6134CF00545540 /* Generated */,
-				D14FA7201F6134CF00545540 /* Templates */,
-			);
-			path = Sourcery;
-			sourceTree = "<group>";
-		};
-		D14FA71D1F6134CF00545540 /* Generated */ = {
-			isa = PBXGroup;
-			children = (
-				D14FA71E1F6134CF00545540 /* AutoEquatable.generated.swift */,
-			);
-			path = Generated;
-			sourceTree = "<group>";
-		};
-		D14FA7201F6134CF00545540 /* Templates */ = {
-			isa = PBXGroup;
-			children = (
-				D14FA7221F6134CF00545540 /* AutoEquatable.stencil */,
-			);
-			path = Templates;
-			sourceTree = "<group>";
-		};
-		D14FA7231F6134EC00545540 /* Protocols */ = {
-			isa = PBXGroup;
-			children = (
-				D14FA71F1F6134CF00545540 /* AutoEquatable.swift */,
-			);
-			path = Protocols;
-			sourceTree = "<group>";
-		};
 		D14FA7341F614A9C00545540 /* OpenSSL */ = {
 			isa = PBXGroup;
 			children = (
@@ -644,6 +606,7 @@
 				D1D6F5411F5D8A3800E86FE1 /* AppReceiptValidationTests.swift */,
 				D1AA845A1F6ABB31007F2558 /* AppReceiptPropertyValidationTests.swift */,
 				D150A0ED1F669A880026ED04 /* AppReceiptValidationInAppPurchaseTests.swift */,
+				D114544521A6BDE6001BEC61 /* DeviceIdentifierTests.swift */,
 				D1D6F5481F5D9B1100E86FE1 /* Tools */,
 				D1D6F5431F5D8DBC00E86FE1 /* Test Assets */,
 			);
@@ -851,7 +814,6 @@
 		D1D6F4921F5D67E600E86FE1 = {
 			isa = PBXGroup;
 			children = (
-				D14FA71B1F6134CF00545540 /* Sourcery */,
 				D1D6F4FC1F5D696800E86FE1 /* AppReceiptValidator */,
 				D1D6F4E51F5D691400E86FE1 /* AppReceiptValidator Demo iOS */,
 				D19095821F6000A40095729B /* AppReceiptValidator Demo macOS */,
@@ -1135,6 +1097,7 @@
 				D190957D1F6000A40095729B /* Sources */,
 				D190957E1F6000A40095729B /* Frameworks */,
 				D190957F1F6000A40095729B /* Resources */,
+				D1DEE48D20EBAEE800F95036 /* Swiftlint */,
 			);
 			buildRules = (
 			);
@@ -1190,7 +1153,6 @@
 				D1D6F4B11F5D684C00E86FE1 /* Frameworks */,
 				D1D6F4B21F5D684C00E86FE1 /* Headers */,
 				D1D6F4B31F5D684C00E86FE1 /* Resources */,
-				D1D6F52D1F5D872200E86FE1 /* Swiftlint */,
 			);
 			buildRules = (
 			);
@@ -1209,7 +1171,6 @@
 				D1D6F4BE1F5D687400E86FE1 /* Frameworks */,
 				D1D6F4BF1F5D687400E86FE1 /* Headers */,
 				D1D6F4C01F5D687400E86FE1 /* Resources */,
-				D1D6F52E1F5D872B00E86FE1 /* Swiftlint */,
 			);
 			buildRules = (
 			);
@@ -1228,6 +1189,7 @@
 				D1D6F4E11F5D691400E86FE1 /* Frameworks */,
 				D1D6F4E21F5D691400E86FE1 /* Resources */,
 				D1D6F5071F5D696800E86FE1 /* Embed Frameworks */,
+				D1DEE48C20EBAEC800F95036 /* Swiftlint */,
 			);
 			buildRules = (
 			);
@@ -1246,36 +1208,42 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0900;
-				LastUpgradeCheck = 0900;
+				LastUpgradeCheck = 0930;
 				ORGANIZATIONNAME = "IdeasOnCanvas GmbH";
 				TargetAttributes = {
 					D19095801F6000A40095729B = {
 						CreatedOnToolsVersion = 9.0;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
+						SystemCapabilities = {
+							com.apple.Sandbox = {
+								enabled = 0;
+							};
+						};
 					};
 					D19095911F6000A40095729B = {
 						CreatedOnToolsVersion = 9.0;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
-						TestTargetID = D19095801F6000A40095729B;
 					};
 					D19095A81F6001800095729B = {
 						CreatedOnToolsVersion = 9.0;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
-						TestTargetID = D1D6F4E31F5D691400E86FE1;
 					};
 					D1D6F4B41F5D684C00E86FE1 = {
 						CreatedOnToolsVersion = 9.0;
-						LastSwiftMigration = 0900;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
 					D1D6F4C11F5D687400E86FE1 = {
 						CreatedOnToolsVersion = 9.0;
-						LastSwiftMigration = 0900;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
 					D1D6F4E31F5D691400E86FE1 = {
 						CreatedOnToolsVersion = 9.0;
-						LastSwiftMigration = 0900;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
 				};
@@ -1376,33 +1344,43 @@
 /* End PBXResourcesBuildPhase section */

 /* Begin PBXShellScriptBuildPhase section */
-		D1D6F52D1F5D872200E86FE1 /* Swiftlint */ = {
+		D1DEE48C20EBAEC800F95036 /* Swiftlint */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
 			);
+			inputFileListPaths = (
+			);
 			inputPaths = (
+				"$(SRCROOT)",
 			);
 			name = Swiftlint;
+			outputFileListPaths = (
+			);
 			outputPaths = (
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "if which swiftlint >/dev/null; then\n    swiftlint\nelse\n    echo \"warning: SwiftLint not installed, download from https://github.com/realm/SwiftLint\"\nfi";
+			shellScript = "if which swiftlint >/dev/null; then\nswiftlint\nelse\necho \"warning: SwiftLint not installed, download from https://github.com/realm/SwiftLint\"\nfi\n";
 		};
-		D1D6F52E1F5D872B00E86FE1 /* Swiftlint */ = {
+		D1DEE48D20EBAEE800F95036 /* Swiftlint */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
 			);
+			inputFileListPaths = (
+			);
 			inputPaths = (
+				"$(SRCROOT)",
 			);
 			name = Swiftlint;
+			outputFileListPaths = (
+			);
 			outputPaths = (
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "if which swiftlint >/dev/null; then\n    swiftlint\nelse\n    echo \"warning: SwiftLint not installed, download from https://github.com/realm/SwiftLint\"\nfi";
+			shellScript = "if which swiftlint >/dev/null; then\nswiftlint\nelse\necho \"warning: SwiftLint not installed, download from https://github.com/realm/SwiftLint\"\nfi\n";
 		};
 /* End PBXShellScriptBuildPhase section */

@@ -1425,6 +1403,7 @@
 				D19095CD1F601E960095729B /* AppReceiptValidationTests.swift in Sources */,
 				D1AA845D1F6ABB59007F2558 /* AppReceiptPropertyValidationTests.swift in Sources */,
 				D150A0EF1F669A880026ED04 /* AppReceiptValidationInAppPurchaseTests.swift in Sources */,
+				D114544721A6BDE6001BEC61 /* DeviceIdentifierTests.swift in Sources */,
 				D150A0F01F67E0990026ED04 /* Date+Convenience.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -1437,6 +1416,7 @@
 				D19095CE1F601E980095729B /* AppReceiptValidationTests.swift in Sources */,
 				D1AA845C1F6ABB59007F2558 /* AppReceiptPropertyValidationTests.swift in Sources */,
 				D150A0EE1F669A880026ED04 /* AppReceiptValidationInAppPurchaseTests.swift in Sources */,
+				D114544621A6BDE6001BEC61 /* DeviceIdentifierTests.swift in Sources */,
 				D150A0F11F67E0990026ED04 /* Date+Convenience.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -1449,8 +1429,6 @@
 				D1D6F53F1F5D89D000E86FE1 /* AppReceiptValidator.swift in Sources */,
 				D1FE34401F604F540029576B /* AppReceiptValidator+Parameters.swift in Sources */,
 				D19095C31F6019FC0095729B /* DeviceIdentifier+installedDeviceIdentifier_iOS.swift in Sources */,
-				D14FA7271F61351000545540 /* AutoEquatable.swift in Sources */,
-				D14FA7291F61351400545540 /* AutoEquatable.generated.swift in Sources */,
 				D1DFC5DA20037B8400C7B99B /* KnownOrUnknown.swift in Sources */,
 				D1FE343D1F604F020029576B /* Receipt.swift in Sources */,
 				D14FA73B1F618B0100545540 /* ASN1Helpers.swift in Sources */,
@@ -1468,11 +1446,9 @@
 				D1FE34411F604F540029576B /* AppReceiptValidator+Parameters.swift in Sources */,
 				D19095C01F60158B0095729B /* DeviceIdentifier+installedDeviceIdentifier_macOS.swift in Sources */,
 				D1FE343E1F604F020029576B /* Receipt.swift in Sources */,
-				D14FA72A1F61351500545540 /* AutoEquatable.generated.swift in Sources */,
 				D1DFC5DB20037B8400C7B99B /* KnownOrUnknown.swift in Sources */,
 				D14FA73C1F618B0100545540 /* ASN1Helpers.swift in Sources */,
 				D14FA7391F6181D000545540 /* OpenSSLWrappers.swift in Sources */,
-				D14FA7261F61350F00545540 /* AutoEquatable.swift in Sources */,
 				D19095BD1F6004D10095729B /* pkcs7_union_accessors.c in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -1543,17 +1519,17 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				CODE_SIGN_ENTITLEMENTS = "AppReceiptValidator Demo macOS/AppReceiptValidator_Demo_macOS.entitlements";
-				CODE_SIGN_IDENTITY = "Mac Developer";
+				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "AppReceiptValidator Demo macOS/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.ideasoncanvas.AppReceiptValidator-Demo-macOS";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SDKROOT = macosx;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -1561,17 +1537,17 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				CODE_SIGN_ENTITLEMENTS = "AppReceiptValidator Demo macOS/AppReceiptValidator_Demo_macOS.entitlements";
-				CODE_SIGN_IDENTITY = "Mac Developer";
+				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "AppReceiptValidator Demo macOS/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.ideasoncanvas.AppReceiptValidator-Demo-macOS";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SDKROOT = macosx;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -1579,19 +1555,17 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
-				BUNDLE_LOADER = "$(TEST_HOST)";
-				CODE_SIGN_IDENTITY = "Mac Developer";
+				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "AppReceiptValidator Tests macOS/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.ideasoncanvas.AppReceiptValidator-Demo-macOSTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
-				SWIFT_VERSION = 4.0;
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/AppReceiptValidator Demo macOS.app/Contents/MacOS/AppReceiptValidator Demo macOS";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -1599,19 +1573,17 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
-				BUNDLE_LOADER = "$(TEST_HOST)";
-				CODE_SIGN_IDENTITY = "Mac Developer";
+				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "AppReceiptValidator Tests macOS/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.ideasoncanvas.AppReceiptValidator-Demo-macOSTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
-				SWIFT_VERSION = 4.0;
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/AppReceiptValidator Demo macOS.app/Contents/MacOS/AppReceiptValidator Demo macOS";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -1619,14 +1591,13 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "AppReceiptValidator Tests iOS/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.ideasoncanvas.AppReceiptValidator-iOSTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/AppReceiptValidator Demo iOS.app/AppReceiptValidator Demo iOS";
 			};
 			name = Debug;
 		};
@@ -1634,14 +1605,13 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "AppReceiptValidator Tests iOS/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.ideasoncanvas.AppReceiptValidator-iOSTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/AppReceiptValidator Demo iOS.app/AppReceiptValidator Demo iOS";
 			};
 			name = Release;
 		};
@@ -1659,6 +1629,7 @@
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
@@ -1666,6 +1637,7 @@
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
@@ -1674,7 +1646,7 @@
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_IDENTITY = "";
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -1718,6 +1690,7 @@
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
@@ -1725,6 +1698,7 @@
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
@@ -1733,7 +1707,7 @@
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_IDENTITY = "";
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
@@ -1759,12 +1733,13 @@
 		D1D6F4BB1F5D684C00E86FE1 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
@@ -1779,7 +1754,9 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ideasoncanvas.AppReceiptValidator;
 				PRODUCT_NAME = AppReceiptValidator;
 				SKIP_INSTALL = YES;
+				SUPPORTS_MACCATALYST = NO;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1789,12 +1766,13 @@
 		D1D6F4BC1F5D684C00E86FE1 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
@@ -1809,6 +1787,8 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ideasoncanvas.AppReceiptValidator;
 				PRODUCT_NAME = AppReceiptValidator;
 				SKIP_INSTALL = YES;
+				SUPPORTS_MACCATALYST = NO;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1818,12 +1798,13 @@
 		D1D6F4C81F5D687400E86FE1 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
@@ -1840,6 +1821,7 @@
 				PRODUCT_NAME = AppReceiptValidator;
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -1848,12 +1830,13 @@
 		D1D6F4C91F5D687400E86FE1 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
@@ -1870,6 +1853,7 @@
 				PRODUCT_NAME = AppReceiptValidator;
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -1881,13 +1865,13 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "AppReceiptValidator Demo iOS/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.ideasoncanvas.AppReceiptValidator.Demo-iOS";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -1898,12 +1882,12 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = W6L39UYL6Z;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "AppReceiptValidator Demo iOS/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.ideasoncanvas.AppReceiptValidator.Demo-iOS";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0930"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@@ -40,11 +40,12 @@
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
      shouldUseLaunchSchemeArgsEnv = "YES">
      <Testables>
         <TestableReference
-            skipped = "NO">
+            skipped = "NO"
+            parallelizable = "YES"
+            testExecutionOrdering = "random">
            <BuildableReference
               BuildableIdentifier = "primary"
               BlueprintIdentifier = "D19095A81F6001800095729B"
@@ -70,7 +71,6 @@
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0930"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@@ -40,11 +40,12 @@
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
      shouldUseLaunchSchemeArgsEnv = "YES">
      <Testables>
         <TestableReference
-            skipped = "NO">
+            skipped = "NO"
+            parallelizable = "YES"
+            testExecutionOrdering = "random">
            <BuildableReference
               BuildableIdentifier = "primary"
               BlueprintIdentifier = "D19095911F6000A40095729B"
@@ -70,7 +71,6 @@
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0930"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@@ -26,10 +26,30 @@
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
      shouldUseLaunchSchemeArgsEnv = "YES">
      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES"
+            testExecutionOrdering = "random">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D19095A81F6001800095729B"
+               BuildableName = "AppReceiptValidator Tests iOS.xctest"
+               BlueprintName = "AppReceiptValidator Tests iOS"
+               ReferencedContainer = "container:AppReceiptValidator.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "D1D6F4B41F5D684C00E86FE1"
+            BuildableName = "AppReceiptValidator.framework"
+            BlueprintName = "AppReceiptValidator iOS"
+            ReferencedContainer = "container:AppReceiptValidator.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
      <AdditionalOptions>
      </AdditionalOptions>
   </TestAction>
@@ -37,7 +57,6 @@
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0930"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@@ -20,36 +20,23 @@
               ReferencedContainer = "container:AppReceiptValidator.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "NO"
-            buildForArchiving = "NO"
-            buildForAnalyzing = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "D1D6F5321F5D894900E86FE1"
-               BuildableName = "AppReceiptValidator_macOSTests.xctest"
-               BlueprintName = "AppReceiptValidator_macOSTests"
-               ReferencedContainer = "container:AppReceiptValidator.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
      </BuildActionEntries>
   </BuildAction>
   <TestAction
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
      shouldUseLaunchSchemeArgsEnv = "YES">
      <Testables>
         <TestableReference
-            skipped = "NO">
+            skipped = "NO"
+            parallelizable = "YES"
+            testExecutionOrdering = "random">
            <BuildableReference
               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "D1D6F5321F5D894900E86FE1"
-               BuildableName = "AppReceiptValidator_macOSTests.xctest"
-               BlueprintName = "AppReceiptValidator_macOSTests"
+               BlueprintIdentifier = "D19095911F6000A40095729B"
+               BuildableName = "AppReceiptValidator Tests macOS.xctest"
+               BlueprintName = "AppReceiptValidator Tests macOS"
               ReferencedContainer = "container:AppReceiptValidator.xcodeproj">
            </BuildableReference>
         </TestableReference>
@@ -70,7 +57,6 @@
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
@@ -12,7 +12,7 @@ public extension AppReceiptValidator {

    /// Describes how to validate a receipt, and how/where to obtain the dependencies (receipt, deviceIdentifier, apple root certificate)
    /// Use .default to initialize the standard parameters. By default, no `propertyValidations` are active.
-    public struct Parameters {
+    struct Parameters {

        // MARK: - Properties

@@ -62,11 +62,14 @@ extension AppReceiptValidator.Parameters {

        case installedInMainBundle
        case data(Data)
+        case dynamic(() -> Data?)

        public func loadData() -> Data? {
            switch self {
            case .data(let data):
                return data
+            case .dynamic(let maker):
+                return maker()
            case .installedInMainBundle:
                guard let receiptUrl = Bundle.main.appStoreReceiptURL else { return nil }
                guard (try? receiptUrl.checkResourceIsReachable()) ?? false else { return nil }
@@ -83,9 +86,9 @@ public extension AppReceiptValidator.Parameters {

    /// Used for calculating/validating the SHA1-Hash part of a receipt.
    ///
-    /// - currentDevice: Obtains it from the system location: MAC Adress on macOS, deviceIdentifierForVendor on iOS
+    /// - currentDevice: Obtains it from the system location: MAC Address on macOS, deviceIdentifierForVendor on iOS
    /// - data: Specific Data to use
-    public enum DeviceIdentifier {
+    enum DeviceIdentifier {

        case currentDevice
        case data(Data)
@@ -99,6 +102,20 @@ public extension AppReceiptValidator.Parameters {
            self = .data(uuid.data)
        }

+        /// Returns .data by parsing a MAC Address String
+        ///
+        /// - Parameters:
+        ///   - macAddress: A MAC Address of the form "00:0d:3f:cd:02:5f"
+        ///   - separator: Defaults to `":"`
+        ///
+        /// - Note: on macOS the MAC Addresses can be read from terminal command `ifconfig` looking for ther `ether` entry of `5e`.
+        public init?(macAddress: String, separator: String = ":") {
+            let bytes = macAddress.components(separatedBy: separator).compactMap { UInt8($0, radix: 16) }
+            guard bytes.count == 6 else { return nil }
+
+            self = .data(Data(bytes))
+        }
+
        public func getData() -> Data? {
            switch self {
            case .data(let data):
@@ -117,15 +117,17 @@ private extension AppReceiptValidator {
        var sha1Context = SHA_CTX()

        SHA1_Init(&sha1Context)
-
-        deviceIdentifierData.withUnsafeBytes { pointer -> Void in
-            SHA1_Update(&sha1Context, pointer, deviceIdentifierData.count)
+        deviceIdentifierData.withUnsafeBytes { poi -> Void in
+            print(poi)
        }
-        receiptOpaqueValueData.withUnsafeBytes { pointer -> Void in
-            SHA1_Update(&sha1Context, pointer, receiptOpaqueValueData.count)
+        _ = deviceIdentifierData.withUnsafeBytes { pointer -> Void in
+            SHA1_Update(&sha1Context, pointer.baseAddress, deviceIdentifierData.count)
        }
-        receiptBundleIdData.withUnsafeBytes { pointer -> Void in
-            SHA1_Update(&sha1Context, pointer, receiptBundleIdData.count)
+        _ = receiptOpaqueValueData.withUnsafeBytes { pointer -> Void in
+            SHA1_Update(&sha1Context, pointer.baseAddress, receiptOpaqueValueData.count)
+        }
+        _ = receiptBundleIdData.withUnsafeBytes { pointer -> Void in
+            SHA1_Update(&sha1Context, pointer.baseAddress, receiptBundleIdData.count)
        }
        SHA1_Final(&computedHash, &sha1Context)

@@ -243,28 +245,30 @@ private extension AppReceiptValidator {
        return (receipt: receipt, unofficialReceipt: unofficialReceipt)
    }

+    // swiftlint:disable:next cyclomatic_complexity
    private func parseInAppPurchaseReceipt(pointer: UnsafePointer<UInt8>, length: Int) throws -> InAppPurchaseReceipt {
        var inAppPurchaseReceipt = InAppPurchaseReceipt()
        try self.parseASN1Set(pointer: pointer, length: length) { attributeType, value in
            guard let attribute = KnownInAppPurchaseAttribute(rawValue: attributeType) else { return }
+            guard let value = value.unwrapped else { return } // always unwrap set members

            switch attribute {
            case .quantity:
                inAppPurchaseReceipt.quantity = value.intValue
            case .productIdentifier:
-                inAppPurchaseReceipt.productIdentifier = value.unwrappedStringValue
+                inAppPurchaseReceipt.productIdentifier = value.stringValue
            case .transactionIdentifier:
-                inAppPurchaseReceipt.transactionIdentifier = value.unwrappedStringValue
+                inAppPurchaseReceipt.transactionIdentifier = value.stringValue
            case .originalTransactionIdentifier:
-                inAppPurchaseReceipt.originalTransactionIdentifier = value.unwrappedStringValue
+                inAppPurchaseReceipt.originalTransactionIdentifier = value.stringValue
            case .purchaseDate:
-                inAppPurchaseReceipt.purchaseDate = value.unwrappedDateValue
+                inAppPurchaseReceipt.purchaseDate = value.dateValue
            case .originalPurchaseDate:
-                inAppPurchaseReceipt.originalPurchaseDate = value.unwrappedDateValue
+                inAppPurchaseReceipt.originalPurchaseDate = value.dateValue
            case .subscriptionExpirationDate:
-                inAppPurchaseReceipt.subscriptionExpirationDate = value.unwrappedDateValue
+                inAppPurchaseReceipt.subscriptionExpirationDate = value.dateValue
            case .cancellationDate:
-                inAppPurchaseReceipt.cancellationDate = value.unwrappedDateValue
+                inAppPurchaseReceipt.cancellationDate = value.dateValue
            case .webOrderLineItemId:
                inAppPurchaseReceipt.webOrderLineItemId = value.intValue
            }
@@ -336,7 +340,6 @@ private extension AppReceiptValidator {
        case expirationDate = 21
    }

-
    /// See Receipt.swift for details and a link to Apple reference
    enum KnownInAppPurchaseAttribute: Int32 {
        case quantity = 1701
@@ -20,7 +20,7 @@ extension AppReceiptValidator.Parameters.DeviceIdentifier {
    /// Original implementation https://gist.github.com/mminer/82975d3781e2f42fc644d7fbfbf4f905
    ///
    /// - Returns: The MAC Address as Data and String representation
-    private static func getPrimaryNetworkMACAddress() -> (data: Data, addressString: String)? {
+    static func getPrimaryNetworkMACAddress() -> (data: Data, addressString: String)? {
        let matching = IOServiceMatching("IOEthernetInterface") as NSMutableDictionary
        matching[kIOPropertyMatchKey] = ["IOPrimaryInterface": true]
        var servicesIterator: io_iterator_t = 0
@@ -53,6 +53,6 @@ extension AppReceiptValidator.Parameters.DeviceIdentifier {
            .map { String(format: "%02x", $0) }
            .joined(separator: ":")

-        return (data: Data(bytes: address), addressString: addressString)
+        return (data: Data(address), addressString: addressString)
    }
 }
@@ -9,6 +9,8 @@
 import AppReceiptValidator.OpenSSL
 import Foundation

+// A resource for ASN1 can be https://www.oss.com/asn1/resources/reference/asn1-reference-card.html
+
 /// An ASN1 Sequence Object. Of interest are the attributeType and the valueObject.
 /// The attributeType determines how to interpret the valueObject.
 ///
@@ -116,7 +118,11 @@ extension ASN1Object {

 extension ASN1Object {

+    /// Unwraps an OCTET_STRING, which is a binary container, that can contain another ASN1Object.
+    /// This is the case when we are looking at an entry in an ASN1Set
    var unwrapped: ASN1Object? {
+        guard self.type == V_ASN1_OCTET_STRING else { return nil }
+
        guard let endPointer = valuePointer?.advanced(by: length) else { return nil }

        var innerPointer = valuePointer
@@ -155,7 +161,11 @@ extension ASN1Object {

 extension ASN1Object {

-    var intValue: Int? {
+    var unwrappedIntValue: Int64? {
+        return self.unwrapped?.intValue
+    }
+
+    var intValue: Int64? {
        guard self.type == V_ASN1_INTEGER else { return nil }

        var pointer = self.valuePointer
@@ -163,11 +173,11 @@ extension ASN1Object {
        defer {
            ASN1_INTEGER_free(integer)
        }
-        let result = ASN1_INTEGER_get(integer)
+        let result = Int64(ASN1_INTEGER_get(integer))
        return result
    }

-    func intValue(byAdvancingPointer pointer: inout UnsafePointer<UInt8>?, length: Int? = nil) -> Int? {
+    func intValue(byAdvancingPointer pointer: inout UnsafePointer<UInt8>?, length: Int? = nil) -> Int64? {
        let length = length ?? self.length
        pointer = pointer?.advanced(by: length)
        guard let intValue = self.intValue else { return nil }
@@ -14,8 +14,8 @@ final class BIOWrapper {
    let bio = BIO_new(BIO_s_mem())

    init(data: Data) {
-        data.withUnsafeBytes { pointer -> Void in
-            BIO_write(self.bio, pointer, Int32(data.count))
+        _ = data.withUnsafeBytes { pointer in
+            BIO_write(self.bio, pointer.baseAddress, Int32(data.count))
        }
    }

@@ -11,7 +11,7 @@ import Foundation
 /// Receipts are made up of a number of fields. This represents all fields that are available locally when parsing a receipt file in ASN.1 form.
 ///
 /// See [Apple Reference](https://developer.apple.com/library/content/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html)
-public struct Receipt {
+public struct Receipt: Equatable {

    /// The app’s bundle identifier. This corresponds to the value of `CFBundleIdentifier` in the Info.plist file.
    /// Use this value to validate if the receipt was indeed generated for your app. ASN.1 Field Type 2.
@@ -55,6 +55,7 @@ public struct Receipt {
    ///         The in-app purchase receipt for a non-consumable product, auto-renewable subscription, non-renewing subscription, or free subscription remains in the receipt indefinitely.
    public internal(set) var inAppPurchaseReceipts: [InAppPurchaseReceipt] = []

+    /// For documentation of parameters, have a look at the documented properties of `Receipt`
    public init(bundleIdentifier: String?, bundleIdData: Data?, appVersion: String?, opaqueValue: Data?, sha1Hash: Data?, originalAppVersion: String?, receiptCreationDate: Date?, expirationDate: Date?, inAppPurchaseReceipts: [InAppPurchaseReceipt]) {
        self.bundleIdentifier = bundleIdentifier
        self.bundleIdData = bundleIdData
@@ -67,17 +68,36 @@ public struct Receipt {
        self.inAppPurchaseReceipts = inAppPurchaseReceipts
    }

+    /// Convenience initializer with stringified parameters for `Date` and `Data` type parameters.
+    /// When logging a `Receipt`'s (`CustomStringConvertible`) description, you can use that as swift source code calling this initializer,
+    /// which can simplify creating tests.
+    ///
+    /// For documentation of parameters, have a look at the documented properties of `Receipt`.
+    ///
+    /// - Note: Dates must be formatted as "2017-01-01T12:00:00Z", otherwise will be assigned `nil`.
+    /// Data must be formatted as Base64, otherwise will be assigned `nil`.
+    /// Correct formatting will be asserted in DEBUG builds.
+    public init(bundleIdentifier: String, bundleIdData: String, appVersion: String, opaqueValue: String, sha1Hash: String, originalAppVersion: String, receiptCreationDate: String, expirationDate: String?, inAppPurchaseReceipts: [InAppPurchaseReceipt]) {
+        self.init(bundleIdentifier: bundleIdentifier,
+                  bundleIdData: parseBase64(string: bundleIdData),
+                  appVersion: appVersion,
+                  opaqueValue: parseBase64(string: opaqueValue),
+                  sha1Hash: parseBase64(string: sha1Hash),
+                  originalAppVersion: originalAppVersion,
+                  receiptCreationDate: parseDate(string: receiptCreationDate),
+                  expirationDate: expirationDate.flatMap { parseDate(string: $0) },
+                  inAppPurchaseReceipts: inAppPurchaseReceipts)
+    }
+
    public init() {}
 }

-// MARK: - Equatable
-
-extension Receipt: AutoEquatable {}
-
 // MARK: - CustomStringConvertible

 extension Receipt: CustomStringConvertible, CustomDebugStringConvertible {

+    // This description is carefully matched to match the stringy convenience initializer of `Receipt`
+
    public var description: String {
        let formatter = StringFormatter()
        let props: [(String, String)]  = [
@@ -105,7 +125,7 @@ extension Receipt: CustomStringConvertible, CustomDebugStringConvertible {
 ///
 /// Documentation was obtained from: https://developer.apple.com/library/content/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html
 ///
-/// The following fields are part of JSON communication but not part of the parsed version (matched Sept 2017):
+/// The following fields are part of JSON communication but not part of the parsed version (matched May 2019):
 /// - Subscription Expiration Intent
 /// - Subscription Retry Flag
 /// - Subscription Trial Period
@@ -115,11 +135,11 @@ extension Receipt: CustomStringConvertible, CustomDebugStringConvertible {
 /// - Subscription Auto Renew Status
 /// - Subscription Auto Renew Preference
 /// - Subscription Price Consent Status
-public struct InAppPurchaseReceipt {
+public struct InAppPurchaseReceipt: Equatable {

    /// The number of items purchased. ASN.1 Field Type 1701.
    /// This value corresponds to the quantity property of the `SKPayment` object stored in the transaction’s payment property.
-    public internal(set) var quantity: Int?
+    public internal(set) var quantity: Int64?

    /// The product identifier of the item that was purchased. ASN.1 Field Type 1702.
    /// This value corresponds to the `productIdentifier` property of the `SKPayment` object stored in the transaction’s `payment` property.
@@ -171,10 +191,10 @@ public struct InAppPurchaseReceipt {

    /// The primary key for identifying subscription purchases. ASN.1 Field Type 1711.
    /// This value is a unique ID that identifies purchase events across devices, including subscription renewal purchase events.
-    public internal(set) var webOrderLineItemId: Int?
+    public internal(set) var webOrderLineItemId: Int64?

-    /// For documentation see InAppPurchaseReceipt itself.
-    public init(quantity: Int?, productIdentifier: String?, transactionIdentifier: String?, originalTransactionIdentifier: String?, purchaseDate: Date?, originalPurchaseDate: Date?, subscriptionExpirationDate: Date?, cancellationDate: Date?, webOrderLineItemId: Int?) {
+    /// For documentation of parameters, have a look at the documented properties of `InAppPurchaseReceipt`.
+    public init(quantity: Int64?, productIdentifier: String?, transactionIdentifier: String?, originalTransactionIdentifier: String?, purchaseDate: Date?, originalPurchaseDate: Date?, subscriptionExpirationDate: Date?, cancellationDate: Date?, webOrderLineItemId: Int64?) {
        self.quantity = quantity
        self.productIdentifier = productIdentifier
        self.transactionIdentifier = transactionIdentifier
@@ -186,17 +206,36 @@ public struct InAppPurchaseReceipt {
        self.webOrderLineItemId = webOrderLineItemId
    }

+    /// Convenience initializer with stringified parameters for `Date` and `Data` type parameters.
+    /// When logging a `Receipt`'s (`CustomStringConvertible`) description, you can use that as swift source code calling this initializer,
+    /// which can simplify creating tests.
+    ///
+    /// For documentation of parameters, have a look at the documented properties of `InAppPurchaseReceipt`.
+    ///
+    /// - Note: Dates must be formatted as "2017-01-01T12:00:00Z", otherwise will be assigned `nil`.
+    /// Data must be formatted as Base64, otherwise will be assigned `nil`.
+    /// Correct formatting will be asserted in DEBUG builds.
+    public init(quantity: Int64?, productIdentifier: String, transactionIdentifier: String, originalTransactionIdentifier: String, purchaseDate: String, originalPurchaseDate: String, subscriptionExpirationDate: String?, cancellationDate: String?, webOrderLineItemId: Int64?) {
+        self.init(quantity: quantity,
+                  productIdentifier: productIdentifier,
+                  transactionIdentifier: transactionIdentifier,
+                  originalTransactionIdentifier: originalTransactionIdentifier,
+                  purchaseDate: parseDate(string: purchaseDate),
+                  originalPurchaseDate: parseDate(string: originalPurchaseDate),
+                  subscriptionExpirationDate: subscriptionExpirationDate.flatMap { parseDate(string: $0) },
+                  cancellationDate: cancellationDate.flatMap { parseDate(string: $0) },
+                  webOrderLineItemId: webOrderLineItemId)
+    }
+
    public init() {}
 }

-// MARK: - Equatable
-
-extension InAppPurchaseReceipt: AutoEquatable {}
-
 // MARK: - CustomStringConvertible

 extension InAppPurchaseReceipt: CustomStringConvertible, CustomDebugStringConvertible {

+    // This description is carefully matched to match the stringy convenience initializer of `InAppPurchaseReceipt`
+
    public var description: String {
        let formatter = StringFormatter()
        let props: [(String, String)]  = [
@@ -236,7 +275,7 @@ private struct StringFormatter {
        return pairs.map { self.format(key: $0, value: $1) }.joined(separator: ",\n")
    }

-    func format(_ int: Int?) -> String {
+    func format(_ int: Int64?) -> String {
        guard let int = int else { return fallback }

        return "\(int)"
@@ -249,16 +288,40 @@ private struct StringFormatter {
    func format(_ data: Data?) -> String {
        guard let data = data else { return fallback }

-        return data.base64EncodedString()
+        return quoted(data.base64EncodedString())
    }

    func format(_ date: Date?) -> String {
        guard let date = date else { return fallback }

-        return AppReceiptValidator.asn1DateFormatter.string(from: date)
+        return quoted(AppReceiptValidator.asn1DateFormatter.string(from: date))
    }

    func format(_ string: String?) -> String {
-        return string ?? fallback
+        return string.map(quoted) ?? fallback
+    }
+
+    /// Surrounds a string with quotes "…"
+    func quoted(_ string: String) -> String {
+        return "\"" + string + "\""
    }
 }
+
+private func parseBase64(string: String) -> Data? {
+    guard let data = Data(base64Encoded: string) else {
+        assertionFailure("Data could not be parsed from string '\(string)', make sure it is non-empty nad base64 encoded.")
+        return nil
+    }
+
+    return data
+}
+
+// Parses a string of type "2017-01-01T12:00:00Z"
+private func parseDate(string: String) -> Date? {
+    guard let date = AppReceiptValidator.asn1DateFormatter.date(from: string) else {
+        assertionFailure("Date could not be parsed from string '\(string)', make sure it has a correct format, example  `2017-01-01T12:00:00Z`")
+        return nil
+    }
+
+    return date
+}
@@ -1,56 +0,0 @@
-// Generated using Sourcery 0.10.0 — https://github.com/krzysztofzablocki/Sourcery
-// DO NOT EDIT
-
-// swiftlint:disable file_length
-private func compareOptionals<T>(lhs: T?, rhs: T?, compare: (_ lhs: T, _ rhs: T) -> Bool) -> Bool {
-    switch (lhs, rhs) {
-    case let (lValue?, rValue?):
-        return compare(lValue, rValue)
-    case (nil, nil):
-        return true
-    default:
-        return false
-    }
-}
-
-private func compareArrays<T>(lhs: [T], rhs: [T], compare: (_ lhs: T, _ rhs: T) -> Bool) -> Bool {
-    guard lhs.count == rhs.count else { return false }
-    for (idx, lhsItem) in lhs.enumerated() {
-        guard compare(lhsItem, rhs[idx]) else { return false }
-    }
-
-    return true
-}
-
-
-// MARK: - AutoEquatable for classes, protocols, structs
-// MARK: - InAppPurchaseReceipt AutoEquatable
-extension InAppPurchaseReceipt: Equatable {}
-public func == (lhs: InAppPurchaseReceipt, rhs: InAppPurchaseReceipt) -> Bool {
-    guard compareOptionals(lhs: lhs.quantity, rhs: rhs.quantity, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.productIdentifier, rhs: rhs.productIdentifier, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.transactionIdentifier, rhs: rhs.transactionIdentifier, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.originalTransactionIdentifier, rhs: rhs.originalTransactionIdentifier, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.purchaseDate, rhs: rhs.purchaseDate, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.originalPurchaseDate, rhs: rhs.originalPurchaseDate, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.subscriptionExpirationDate, rhs: rhs.subscriptionExpirationDate, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.cancellationDate, rhs: rhs.cancellationDate, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.webOrderLineItemId, rhs: rhs.webOrderLineItemId, compare: ==) else { return false }
-    return true
-}
-// MARK: - Receipt AutoEquatable
-extension Receipt: Equatable {}
-public func == (lhs: Receipt, rhs: Receipt) -> Bool {
-    guard compareOptionals(lhs: lhs.bundleIdentifier, rhs: rhs.bundleIdentifier, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.bundleIdData, rhs: rhs.bundleIdData, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.appVersion, rhs: rhs.appVersion, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.opaqueValue, rhs: rhs.opaqueValue, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.sha1Hash, rhs: rhs.sha1Hash, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.originalAppVersion, rhs: rhs.originalAppVersion, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.receiptCreationDate, rhs: rhs.receiptCreationDate, compare: ==) else { return false }
-    guard compareOptionals(lhs: lhs.expirationDate, rhs: rhs.expirationDate, compare: ==) else { return false }
-    guard lhs.inAppPurchaseReceipts == rhs.inAppPurchaseReceipts else { return false }
-    return true
-}
-
-// MARK: - AutoEquatable for Enums
@@ -1,8 +0,0 @@
-//
-//  AutoEquatable.swift
-//  
-//
-//  Created by Hannes Oud on 07.09.17.
-//
-
-protocol AutoEquatable {}
@@ -1,62 +0,0 @@
-// swiftlint:disable file_length
-fileprivate func compareOptionals<T>(lhs: T?, rhs: T?, compare: (_ lhs: T, _ rhs: T) -> Bool) -> Bool {
-    switch (lhs, rhs) {
-    case let (lValue?, rValue?):
-        return compare(lValue, rValue)
-    case (nil, nil):
-        return true
-    default:
-        return false
-    }
-}
-
-fileprivate func compareArrays<T>(lhs: [T], rhs: [T], compare: (_ lhs: T, _ rhs: T) -> Bool) -> Bool {
-    guard lhs.count == rhs.count else { return false }
-    for (idx, lhsItem) in lhs.enumerated() {
-        guard compare(lhsItem, rhs[idx]) else { return false }
-    }
-
-    return true
-}
-
-{% macro compareVariables variables %}
-    {% for variable in variables where variable.readAccess != "private" and variable.readAccess != "fileprivate" %}{% if not variable.annotations.skipEquality %}guard {% if not variable.isOptional %}{% if not variable.annotations.arrayEquality %}lhs.{{ variable.name }} == rhs.{{ variable.name }}{% else %}compareArrays(lhs: lhs.{{ variable.name }}, rhs: rhs.{{ variable.name }}, compare: ==){% endif %}{% else %}compareOptionals(lhs: lhs.{{ variable.name }}, rhs: rhs.{{ variable.name }}, compare: ==){% endif %} else { return false }{% endif %}
-    {% endfor %}
-{% endmacro %}
-
-// MARK: - AutoEquatable for classes, protocols, structs
-{% for type in types.implementing.AutoEquatable|!enum %}
-// MARK: - {{ type.name }} AutoEquatable
-{% if not type.kind == "protocol" %}extension {{ type.name }}: Equatable {}{% endif %}
-{% if type.supertype.based.Equatable or type.supertype.implements.AutoEquatable %}THIS WONT COMPILE, WE DONT SUPPORT INHERITANCE for AutoEquatable{% endif %}
-{{ type.accessLevel }} func == (lhs: {{ type.name }}, rhs: {{ type.name }}) -> Bool {
-    {% if not type.kind == "protocol" %}
-    {% call compareVariables type.storedVariables %}
-    {% else %}
-    {% call compareVariables type.allVariables %}
-    {% endif %}
-    return true
-}
-{% endfor %}
-
-// MARK: - AutoEquatable for Enums
-{% for type in types.implementing.AutoEquatable|enum %}
-// MARK: - {{ type.name }} AutoEquatable
-extension {{ type.name }}: Equatable {}
-{{ type.accessLevel }} func == (lhs: {{ type.name }}, rhs: {{ type.name }}) -> Bool {
-    switch (lhs, rhs) {
-    {% for case in type.cases %}
-    {% if case.hasAssociatedValue %}case (.{{ case.name }}(let lhs), .{{ case.name }}(let rhs)):{% else %}case (.{{ case.name }}, .{{ case.name }}):{% endif %}
-        {% ifnot case.hasAssociatedValue %}return true{% else %}
-        {% if case.associatedValues.count == 1 %}
-        return lhs == rhs
-        {% else %}
-        {% for associated in case.associatedValues %}if lhs.{{ associated.externalName }} != rhs.{{ associated.externalName }} { return false }
-        {% endfor %}return true
-        {% endif %}
-        {% endif %}
-    {% endfor %}
-    {% if type.cases.count > 1 %}default: return false{% endif %}
-    }
-}
-{% endfor %}
@@ -2,7 +2,7 @@

 [![Carthage Compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
 ![Platforms iOS, macOS](https://img.shields.io/badge/Platform-iOS%20|%20macOS-blue.svg "Platforms iOS, macOS")
-![Language Swift](https://img.shields.io/badge/Language-Swift%204-orange.svg "Language")
+![Language Swift](https://img.shields.io/badge/Language-Swift%205.0-orange.svg "Swift 5.0")
 [![License Apache 2.0 + OpenSSL](https://img.shields.io/badge/License-Apache%202.0%20|%20OpenSSL%20-aaaaff.svg "License")](LICENSE)
 [![Build Status](https://travis-ci.org/IdeasOnCanvas/AppReceiptValidator.svg?branch=master)](https://travis-ci.org/IdeasOnCanvas/AppReceiptValidator)
 [![Twitter: @hannesoid](https://img.shields.io/badge/Twitter-@hannesoid-red.svg?style=flat)](https://twitter.com/hannesoid)
@@ -73,7 +73,7 @@ Receipt(
 )
 ```

-**Receipt** is *Equatable*, thanks [Sourcery](https://github.com/krzysztofzablocki/Sourcery), so you can do comparisons in Unit Tests.
+**Receipt** is *Equatable*, so you can do comparisons in Unit Tests.
 There are also some opt-in unofficial attributes, but this is experimental and should not be used in production.

 ### Validating a receipt's signature and hash
@@ -150,19 +150,20 @@ If you have no receipt (happens in development builds) or your receipt is invali

 ### AppReceiptValidator Uses OpenSSL

-OpenSSL is used for pkcs7 container parsing and signature validation, and also for parsing the ASN1 payload of the pkcs7, which contains the receipts attributes.
+OpenSSL is used for PKCS#7 container parsing and signature validation, and also for parsing the ASN1 payload of the PKCS#7, which contains the receipts attributes.

 ### Other Options

-##### Alternatives to PKCS7 of OpenSSL
+##### Alternatives to PKCS#7 of OpenSSL

- `Security.framework` - `CMSDecoder` for PKCS7 interaction *only available on macOS*
- `BoringSSL` instead of OpenSSL, Pod, *only available on iOS (?)*
+- `Security.framework` - `CMSDecoder` for PKCS#7 interaction *only available on macOS*, [AppStoreReceiptChecker](https://github.com/delicious-monster/AppStoreReceiptChecker) uses this.
+- `BoringSSL` instead of OpenSSL, seems included as frameworks in modern iOS and macOS, but not officially supported?

 ##### Alternatives to ASN1 of OpenSSL

 - [decoding-asn1-der-sequences-in-swift](http://nspasteboard.com/2016/10/23/decoding-asn1-der-sequences-in-swift/) implemented [here](https://gist.github.com/Jugale/2daaec0715d4f6d7347534d42bfa7110)
 - [Asn1Parser.swift](https://github.com/TakeScoop/SwiftyRSA/blob/03250be7319d8c54159234e5258ead395ea4de4c/SwiftyRSA/Asn1Parser.swift)
+- [AppStoreReceiptChecker](https://github.com/delicious-monster/AppStoreReceiptChecker)

 ##### Validation Server to Server
 An app can send its receipt file to a backend from where Apples receipt API can be called. See Resources.
@@ -187,6 +188,7 @@ Advantages doing it locally:
 - [nsomar about Module Maps 1](http://nsomar.com/project-and-private-headers-in-a-swift-and-objective-c-framework/)
 - [nsomar about Module Maps 2](http://nsomar.com/modular-framework-creating-and-using-them/)
 - [SwiftyStoreKit](https://github.com/bizz84/SwiftyStoreKit)
+- [AppStoreReceiptChecker](https://github.com/delicious-monster/AppStoreReceiptChecker) - macOS, uses CMSDecoder and a Swift ASN1 Implementation

 ## Updating Apple Root Certificate
 For convenience, AppReceiptValidator contains a copy of apples root certificate to validate the signature against. If uncomfortable with this, you can specify your own by changing the parameters like this:
Author	SHA1	Message	Date
Hannes Oud	60f1b27ec4	Deactivate maccatalyst (as long as it’s not figured out how to compile)	2019-08-27 17:07:57 +02:00
Hannes Oud	6f15dda97a	Remove unnecacessary swiftlint disabling	2019-08-27 17:00:02 +02:00
Hannes Oud	f7c3e26500	Add dynamic ReceiptOrigin, useful for tests	2019-08-27 16:59:29 +02:00
Hannes Oud	61794a63e3	Fix swift 5.0 badge in readme	2019-05-31 15:10:24 +02:00
Hannes Oud	137a767294	Merge pull request #53 from IdeasOnCanvas/enhancement/intParsingAndDescriptions Fix quantity and webOrderLineItemID parsing, update for Xcode 10.2, improve convenience	2019-05-31 13:29:13 +02:00
Hannes Oud	11b8faf96c	Fix swiftlint warnings	2019-05-31 13:28:24 +02:00
Hannes Oud	ee521f9429	Switch to Int64 for ASN1 integer fields, as webOrderLineItemID requires this # Conflicts: # AppReceiptValidator/AppReceiptValidator/OpenSSL/ASN1Helpers.swift # AppReceiptValidator/AppReceiptValidator/Receipt.swift	2019-05-31 13:18:57 +02:00
Hannes Oud	bf7010545b	Update readme for Swift 5.0	2019-05-31 10:32:28 +02:00
Hannes Oud	6a1b919093	Update travis file for Xcode 10.2	2019-05-31 10:29:51 +02:00
Hannes Oud	e8146f7122	Disable an unnecessary swiftlint warning	2019-05-23 17:28:30 +02:00
Hannes Oud	2f54c5b042	Update macOS project for Xcode 10.2 / Swift 5	2019-05-23 17:26:16 +02:00
Hannes Oud	f0ba73b45e	Modernize Data initializer to fix deprectation warning	2019-05-23 17:25:56 +02:00
Hannes Oud	0ff100054d	Add Stringy convenience initializers to Receipt and InAppPurchaseReceipt	2019-05-23 17:25:21 +02:00
Hannes Oud	15e3bb5471	Fix test-data after fixing quantity and webOrderLineItemId parsing	2019-05-23 16:47:03 +02:00
Hannes Oud	c42f8d9ac9	Fix deprecation warnings using data.withUnsafeBytes	2019-05-23 14:32:07 +02:00
Hannes Oud	0efe3dd839	Update for Xcode 10.2, Swift 5	2019-05-23 14:31:47 +02:00
Hannes Oud	cb4690217b	Add quotes around strings and dates when creating description	2019-05-23 14:15:23 +02:00
Hannes Oud	8266af7edb	Assert octet string when unwrapping and add comments	2019-05-23 14:15:06 +02:00
Hannes Oud	51d190ece0	Unwrap int values correctly (quantity, web order line item)	2019-05-23 14:14:45 +02:00
Hannes Oud	26385ee11b	Merge pull request #52 from lightsprint09/extension-save Support App extensions	2019-03-26 10:32:04 +01:00
Lukas Schmidt	a96f16969d	support app extensions to silence warning when use in a extension	2019-03-10 12:54:43 +01:00
Hannes Oud	1ba0b31095	Merge pull request #51 from IdeasOnCanvas/enhancement/deviceIdentifierFromMacAddress Support DeviceIdentifier from MAC Address String	2018-11-22 16:11:06 +01:00
Hannes Oud	5121e901f5	Remove unneeded prefix	2018-11-22 16:10:44 +01:00
Hannes Oud	d31ab05fe2	Update gif	2018-11-22 12:29:06 +01:00
Hannes Oud	c4769bc42a	Update mac demo app to support identifiers	2018-11-22 12:22:58 +01:00
Hannes Oud	6605544598	Add tests for DeviceIdentifier	2018-11-22 11:54:19 +01:00
Hannes Oud	3bb92db368	Add DeviceIdentifier initializer with macAddress string	2018-11-22 11:48:28 +01:00
Hannes Oud	97b0adff0a	Make primary mac address function internal (testable)	2018-11-22 11:48:13 +01:00
Hannes Oud	bf875864ea	Fix typo	2018-11-22 11:47:50 +01:00
Hannes Oud	c536866906	Merge pull request #50 from IdeasOnCanvas/chore/Xcode10 Update to Xcode 10 and Swift 4.2	2018-09-24 17:20:23 +02:00
Hannes Oud	ede64d2e3b	Update Swift version in Readme	2018-09-24 16:10:10 +02:00
Hannes Oud	112a5a9e4f	Update travis.yml for Xcode 10 and iOS 12	2018-09-24 16:09:19 +02:00
Hannes Oud	7d8cb7bd06	Update schemes, parrallelize tests and make execution order random	2018-09-24 16:06:41 +02:00
Hannes Oud	da06a099ce	Make tests unhosted	2018-09-24 16:04:18 +02:00
Hannes Oud	95337f7544	Upgrade to Swift 4.2 and Xcode 10	2018-09-24 16:00:56 +02:00
Hannes Oud	7ee443a4af	Merge pull request #49 from IdeasOnCanvas/chore/core/moveSwiftlintFromFrameworkTarget Move Swiftlint run script phases to example project	2018-07-05 11:03:21 +02:00
Hannes Oud	ae082be181	Remove placeholder comment from script phase	2018-07-05 11:01:48 +02:00
Hannes Oud	bcb0ee2c27	Move Swiftlint run script phases to example project	2018-07-03 15:23:48 +02:00
Hannes Oud	f8dae53736	Merge pull request #48 from IdeasOnCanvas/enhancement/modernizeForSwift41 Remove Sourcery and update README with new references	2018-04-24 11:43:57 +02:00
Hannes Oud	5c90e58864	Update README, add links to AppStoreReceiptChecker	2018-04-16 18:22:13 +02:00
Hannes Oud	df47710990	Remove sourcery from README	2018-04-16 18:12:30 +02:00
Hannes Oud	9b03d4b850	Remove sourcery from .swiftlint.yml	2018-04-16 18:08:42 +02:00
Hannes Oud	06b43589d6	Use two char indentation in swiftlint run phase, add SRCROOT as input to prepare for new build system	2018-04-16 18:06:23 +02:00
Hannes Oud	1722f04928	Remove vertical whitespaces	2018-04-16 18:06:23 +02:00
Hannes Oud	16ef7de4bf	Remove Sourcery	2018-04-16 17:42:45 +02:00
Hannes Oud	7521a419d1	Upgrade swift badge in readme	2018-04-03 10:54:39 +02:00
Hannes Oud	5f0ad3de3f	Merge pull request #46 from arturgrigor/master Xcode 9.3 support and fixed the SwiftLint issue	2018-04-03 10:41:46 +02:00
Artur Grigor	40eeef07a5	Xcode 9.3 support and fixed the SwiftLint issue.	2018-04-02 14:39:19 +03:00
Hannes Oud	11563b5094	Remove simulator list printing	2018-02-15 15:22:24 +01:00
Hannes Oud	35815fcd7c	Disable code signing and mac app sandbox	2018-02-15 15:21:33 +01:00
Hannes Oud	17c598d414	Fix xcrun typo in .travis.yml	2018-02-15 14:53:57 +01:00
Hannes Oud	cff64329b3	Update .travis.yml indention, output simulators and variables	2018-02-15 14:15:10 +01:00