public string GetAuthenticationData(string user) { IAuthenticationRepository repository = Utils.COMCreateObject <IAuthenticationRepository>("CCOW.AuthenticationRepository"); string data = string.Empty; if (repository != null) { int coupon = repository.Connect(_ApplicationName); if (coupon != 0) { try { ISecureBinding sb = repository as ISecureBinding; if (sb != null) { string signature = string.Empty; SecureBind(coupon, sb); signature = coupon.ToString() + user; signature = CreateSignature(signature); repository.GetAuthenticationData(coupon, user, string.Empty, signature, out data); } } catch (COMException e) { if (e.ErrorCode != (int)HResult.LogonNotFound) { throw e; } } finally { repository.Disconnect(coupon); } } } return(data); }