Hello all, I am writing a small application for work that connects to a database (located on the company network) and writes some information. We use AD for windows auth and I have administrator staus on the domain and my development machine. The problem lies when I attempt to run the appli...more >>

I need some help here with security. I have a vb.net program that resides on remote laptops. When the users log into another application (siebel) on some server which I do not know anything about that application launches my vb.net program. The program launches and shows up in the prosses in t...more >>

I'm using TripleDESCryptoServiceProvider and MD5CryptoServiceProvider in .NET Framework code. This requires 128-bit encryption. Some Windows 2000 platforms won't have 128-bit encryption and distribution of Encpack_Win2000_EN.exe is complicated due to export law. So... Q1: What are the best cl...more >>

Hi, On the same machine, I have created two web sites, the first site requires client cert and is mapped to a windows account. The second site is restricted to be called by the first site by limiting the IP address to localhost. If I enable windows authentication for the second site, I wi...more >>

I’d like to use a .NET setup program for deploying my application. Can the person who uses this setup program to deploy my application setup security around it to ensure that it doesn’t write to the registry and/or specified folders? The problem is my company does not typically allow se...more >>

I’m having an odd problem with server authentication. I’m not sure which is the most appropriate newsgroup to post to, so let me know if there’s somewhere else I should look. Forgive the length, but I wanted to weed out the more generic answers that are already published. Environmen...more >>

Hi All, Unwisely, I cross posted and it was bad. So i remove all the cross posts and created a new single group post. Sorry about that google. So here goes. I am trying to do encryption/decryption with RSA. For encryption, I use the public key. For decryption, I use the private key. ...more >>

Hi All, I am trying to do encryption/decryption with RSA. For encryption, I use the public key. For decryption, I use the private key. The idea is to take a 80 byte array and encrypt it and then decrypt that result to get the original 80 byte array. However, when I do the decryption I am ge...more >>

I have been trying to use SSPI in validating user credentials in my winform applications. I have tried looking around the internet but it doesn't seem that there are any code samples for wrapping sspi in c#. Could someone give me a hand? I have found examples in C++ but i am not familiar ...more >>

We are developing a distributed application, made up of several components installed on several machines talking to one another (via SOAP for example, ora via .NET remoting). Suppose those components expose some methods to the outside world: this rises two problems. 1) A malicious user c...more >>

Hi! I posted this message on the asp.net forums previously but have so far had no responses, trying here for better luck. I'm currently trying to sign (with private key) and validate (with public key) an XML file using the W3C XML Signature specification. To do this I'm using System.Sec...more >>

I have been assigned the task of creating a Web Service wrapper around pre-existing Visual Basic ActiveX DLLs. I developed the service in ASP.NET and everything functions as expected, except one part. One of the tasks of the DLLs is to create a text file on the disk and write information t...more >>

Hello I am developing a Web application that uses the Form Authentication. At one time, I need to launch a new instance of the browser using javascript.window.open with the correct parameters. When I run a test outside of authentication everything works fine. However when I run the same ...more >>

Hi All. I am using the SecureBlackBox class to create a new X509 certificate. SBX509.TElX509Certificate certUsr = new SBX509.TElX509Certificate(); certUser.LoadFromBuffer(certData); This works fine in some areas of my code but all of a sudden, a certain part of my code is throwing a Syst...more >>

Hi All. I'm using the NCrypto dll for RSA Encryption/Decryption (http://sourceforge.net/projects/ncrypto/). My encryption code in .Net is pretty simple. The dataToEncrypt length is 1024. The returned data is 1161 in length. public static byte[] EncryptRSA(string certFilePublic, byte[] dataT...more >>