lint fixes

.gitignore

@@ -5,6 +5,7 @@
 ## Build generated
 build/
 DerivedData/
+Keycard.xcodeproj
 
 ## Various settings
 *.pbxuser

.swiftlint.yml

@@ -9,5 +9,5 @@ file_name:
     - Package.swift
 identifier_name:
   excluded:
-    - id
-    - to
+    - p1
+    - p2

Sources/Keycard/APDUCommand.swift

@@ -10,12 +10,12 @@ struct APDUCommand {
     let needsLE: Bool
 
     init(cla: UInt8, ins: UInt8, p1: UInt8, p2: UInt8, data: [UInt8] = [], needsLE: Bool = false) {
-        self.cla = cla;
-        self.ins = ins;
-        self.p1 = p1;
-        self.p2 = p2;
-        self.data = data;
-        self.needsLE = needsLE;
+        self.cla = cla
+        self.ins = ins
+        self.p1 = p1
+        self.p2 = p2
+        self.data = data
+        self.needsLE = needsLE
     }
 
     func serialize() -> [UInt8] {

Sources/Keycard/APDUResponse.swift

@@ -2,13 +2,13 @@
  * ISO7816-4 R-APDU.
  */
 struct APDUResponse {
-    let data : [UInt8]
-    let sw1 : UInt8
-    let sw2 : UInt8
+    let data: [UInt8]
+    let sw1: UInt8
+    let sw2: UInt8
 
-    var sw : UInt16 {
+    var sw: UInt16 {
         get {
-            (UInt16(self.sw1) << 8) | UInt16(self.sw2)
+            return (UInt16(self.sw1) << 8) | UInt16(self.sw2)
         }
     }
 
@@ -32,7 +32,7 @@ struct APDUResponse {
     }
 
     func checkSW(_ codes: StatusWord...) throws -> APDUResponse {
-        try checkSW(codes: codes.map({$0.rawValue}))
+        try checkSW(codes: codes.map({ $0.rawValue }))
     }
 
     func checkSW(_ codes: UInt16...) throws -> APDUResponse {

Sources/Keycard/ApplicationInfo.swift

@@ -16,13 +16,37 @@ enum AppCapability: UInt8 {
 
 struct ApplicationInfo {
     let instanceUID: [UInt8]
-    let freePairingSlots : Int
-    let appVersion : UInt16
+    let freePairingSlots: Int
+    let appVersion: UInt16
     let keyUID: [UInt8]
     let secureChannelPubKey: [UInt8]
     let initializedCard: Bool
     let capabilities: UInt8
 
+    var appVersionString: String {
+        return "\(appVersion >> 8).\(appVersion & 0xff)"
+    }
+
+    var hasMasterKey: Bool {
+        return keyUID.count > 0
+    }
+
+    var hasSecureChannelCapability: Bool {
+        return (capabilities & AppCapability.secureChannel.rawValue) != 0
+    }
+
+    var hasKeyManagementCapability: Bool {
+        return (capabilities & AppCapability.keyManagement.rawValue) != 0
+    }
+
+    var hasCredentialsManagementCapability: Bool {
+        return (capabilities & AppCapability.credentialsManagement.rawValue) != 0
+    }
+
+    var hasNDEFCapability: Bool {
+        return (capabilities & AppCapability.ndef.rawValue) != 0
+    }
+
     init(_ data: [UInt8]) throws {
         let tlv = TinyBERTLV(data)
         let topTag = try tlv.readTag()
@@ -61,11 +85,4 @@ struct ApplicationInfo {
 
         initializedCard = true
     }
-    
-    var appVersionString: String { get { "\(appVersion >> 8).\(appVersion & 0xff)" } }
-    var hasMasterKey: Bool { get { keyUID.count > 0 } }
-    var hasSecureChannelCapability: Bool { get { (capabilities & AppCapability.secureChannel.rawValue) != 0 } }
-    var hasKeyManagementCapability: Bool { get { (capabilities & AppCapability.keyManagement.rawValue) != 0 } }
-    var hasCredentialsManagementCapability: Bool { get { (capabilities & AppCapability.credentialsManagement.rawValue) != 0 } }
-    var hasNDEFCapability: Bool { get { (capabilities & AppCapability.ndef.rawValue) != 0 } }
 }

Sources/Keycard/CardChannel.swift

@@ -5,8 +5,6 @@ protocol CardChannel {
 
 extension CardChannel {
     var pairingPasswordPBKDF2IterationCount: Int {
-        get {
         return 50000;
     }
-    }
 }

Sources/Keycard/CardError.swift

@@ -1,3 +1,3 @@
-enum CardError : Error {
+enum CardError: Error {
     case wrongPIN(retryCounter: Int)
 }

Sources/Keycard/Keycard.swift

@@ -92,14 +92,12 @@ enum Identifier: String {
     case keycardCashAID = "A000000804000103"
     case keycardCashInstanceAID = "A00000080400010301"
 
+    var val: [UInt8] {
+        return rawValue.hexToBytes
+    }
+
     static func getKeycardInstanceAID(instanceId: UInt8 = 1) -> [UInt8] {
         precondition(instanceId >= 1, "The instance index must be between 1 and 255")
         return keycardAID.val + [instanceId]
     }
-    
-    var val: [UInt8] {
-        get {
-            self.rawValue.hexToBytes
-        }
-    }
 }

Sources/Keycard/Pairing.swift

@@ -2,6 +2,12 @@ struct Pairing {
     let pairingKey: [UInt8]
     let pairingIndex: UInt8
 
+    var bytes: [UInt8] {
+        get {
+            return [pairingIndex] + pairingKey
+        }
+    }
+
     init(pairingKey: [UInt8], pairingIndex: UInt8) {
         self.pairingKey = pairingKey
         self.pairingIndex = pairingIndex
@@ -11,10 +17,4 @@ struct Pairing {
         self.pairingIndex = pairingData[0]
         self.pairingKey = Array(pairingData[1...(pairingData.count - 1)])
     }
-    
-    var bytes: [UInt8] {
-        get {
-            [pairingIndex] + pairingKey
-        }
-    }
 }

Sources/Keycard/Util.swift

@@ -8,7 +8,9 @@ extension Collection where Element == Character {
                 last = $0
                 return nil
             }
-            defer { last = nil }
+            defer {
+                last = nil
+            }
             return UInt8(lastHexDigitValue * 16 + hexDigitValue)
         }
     }