Introduce CryptographicKey protocol

passKit/Helpers/CryptographicKeys.swift

@@ -0,0 +1,36 @@
+//
+//  CryptographicKeys.swift
+//  passKit
+//
+//  Created by Danny Moesch on 29.06.19.
+//  Copyright © 2019 Bob Sun. All rights reserved.
+//
+
+public protocol CryptographicKey {
+    func getKeychainKey() -> String
+    func getFileSharingPath() -> String
+}
+
+public enum PgpKey: CryptographicKey {
+    case PUBLIC
+    case PRIVATE
+
+    public func getKeychainKey() -> String {
+        switch self {
+        case .PUBLIC:
+            return "pgpPublicKey"
+        case .PRIVATE:
+            return "pgpPrivateKey"
+        }
+    }
+
+    public func getFileSharingPath() -> String {
+        switch self {
+        case .PUBLIC:
+            return Globals.iTunesFileSharingPGPPublic
+        case .PRIVATE:
+            return Globals.iTunesFileSharingPGPPrivate
+        }
+    }
+}
+