public ActionResult SaveDropzoneJsUploadedFiles() { var currentUserId = User.Identity.GetUserId();; foreach (string fileName in Request.Files) { HttpPostedFileBase file = Request.Files[fileName]; string result = new StreamReader(file.InputStream).ReadToEnd(); var config = JsonConvert.DeserializeObject <YubiCryptConfig>(result); YubiKey newToken = new YubiKey { DateAdded = DateTime.Now, Active = true, Counter = 0, Time = 0, AESKey = Convert.ToBase64String(OTPValidation.StringToByteArray(config.OTPAESKey)), Privateidentity = config.OTPPrivateID, YubiKeyUID = config.OTPPublicID, SerialNumber = config.YubikeySerialNumber, YubikeyVersion = config.YubikeyVersion, NDEFEnabled = config.NDEFEnabled, UserProfile = db.Users.Where(u => u.Id == currentUserId).SingleOrDefault() }; if (config.ChallengeResponseKey != null) { var parts = config.ChallengeResponseKey.Split(':'); TFKDSecret secret = new TFKDSecret() { TFKDEncryptedSecret = parts[0], TFKDEncryptionSalt = parts[1] }; newToken.TFKDSecret = secret; } db.YubiKeys.Add(newToken); } db.SaveChanges(); return(Json(new { Message = string.Empty })); }