keychain-swift/keychain/TegKeychainConstants.swift

//
//  TegKeychainConstants.swift
//  keychain
//
//  Created by Evgenii Neumerzhitckii on 17/02/2015.
//  Copyright (c) 2015 The Exchange Group Pty Ltd. All rights reserved.
//

import Foundation
import Security

struct TegKeychainConstants {
  static var klass: String { return toString(kSecClass) }
  static var classGenericPassword: String { return toString(kSecClassGenericPassword) }
  static var attrAccount: String { return toString(kSecAttrAccount) }
  static var valueData: String { return toString(kSecValueData) }
  static var returnData: String { return toString(kSecReturnData) }
  static var matchLimit: String { return toString(kSecMatchLimit) }

  private static func toString(value: CFStringRef) -> String {
    return (value as? String) ?? ""
  }
}