KeychainPasscodeRepository - a simple example of a ios keychain based repository for https://github.com/yankodimitrov/SwiftPasscodeLock

KeychainPasscodeRepository.swift

//
//  KeychainPasscodeRepository.swift
//  PasscodeLock
// a simple example of a keychain based repository
// https://github.com/yankodimitrov/SwiftPasscodeLock
// uses this fine work for easy access to Keychain
// https://cocoapods.org/pods/KeychainAccess

// written by https://github.com/kristofer

// this snip is a test/sample of the class usage.
//        if true {
//            let foo = KeychainPasscodeRepository()
//            foo.deletePasscode()
//
//            foo.savePasscode(["9","7","6","2"])
//            let hasP = foo.hasPasscode
//
//            let yaya = foo.passcode
//
//            NSLog("\(hasP) \(yaya!)")
//        }


class KeychainPasscodeRepository: PasscodeRepositoryType {
    
    private let passcodeKey = "app.lock.passcode"
    
    private lazy var keychain: Keychain = {
        return Keychain(service: "com.something.App.PasscodeRepo")
    }()
    
    var hasPasscode: Bool {
        
        if let foo = try? keychain.getString(passcodeKey) {
            if foo == nil {
                return false
            }
            return true
        }
        return false
    }
    
    var passcode: [String]? {
        let pc = try! keychain.getString(passcodeKey)
        var result = [String]()
        for ch in pc!.characters {
            result.append(String(ch))
        }
        return result
    }
    
    func savePasscode(passcode: [String]) {
        let joindPasscode = passcode.joinWithSeparator("")
        keychain[string: passcodeKey] = joindPasscode
    }
    
    func deletePasscode() {
        do {
            try keychain.remove(passcodeKey)
        } catch let error {
            NSLog("error: \(error)")
        }
    }
}

Not working for me!!
Do you have an example ?

@ashwinnooli you need to add KeychainAccess to your project