         - returns: whether the operation succeeded
     */
     public func storeAccessToken(token: DropboxAccessToken) -> Bool {
-        return Keychain.set(token.uid, value: token.accessToken)
+        return DBKeychain.set(token.uid, value: token.accessToken)
     }
 
     /**

    }
    
    class func set(key: String, value: NSData) -> Bool {
        let query = Keychain.queryWithDict([
            (kSecAttrAccount as String): key,
            (  kSecValueData as String): value
        ])

        - returns: An access token if present, otherwise `nil`.
    */
    public func getAccessToken(user: String) -> DropboxAccessToken? {
        if let accessToken = DBKeychain.get(user) {
            return DropboxAccessToken(accessToken: accessToken, uid: user)
        } else {
            return nil
