I'm looking for a way to get a remote HTTPS server's public certificate. I want to use this to encrypt data that will eventually be sent to that server via HTTPS, but I don't want the data to be readable on the computer's hard disk. The only way that I can see to do this is to create my own...more >>

Hi, I'm in process to develop thin control, that will be used in our web pages and IE. Control itself uses tag <object> and compiled in one assembly, that referenced another 2 assemblies, generated by VS as wrappers around COM object (Ax & regular version). Assembly for control is signed b...more >>

Hello, I would like to make sure that my web service only can be called from my strong name assembly. But I get a SoapException when I try to call a web method with the StrongNameIdentityPermissionAttribute set. So I guess that that there are problems using this attribute when I am calling ...more >>

Hi, I'm using the following code to check signed xml files: SignedXml signedXml = new SignedXml(); // http://support.microsoft.com/default.aspx?scid=KB;EN-US;322371 CspParameters cspParams = new CspParameters(); cspParams.Flags = CspProviderFlags.UseMachineKeyStore; RSACryptoServiceProvid...more >>

IIS Authentication Problem? Since '95 I have been a contractor develoing applications using Borland Delphi (Object Pascal) creating win32 C/S stuff. Having recently completed amy last contract I decided to try my hand at dotNet stuff. I downloaded the trial version of Visual Studio 2003. So...more >>

Hello, Is it possible to create an AppDomain with FullTrust permissions? I'll be hosting the .NET runtime in an unmanaged program, but since my program will typically be run from the network, I'd like to reduce the "administration" overhead of having to modify the policies. Thanks. -- Jo...more >>

Does anyone know of an anti virus API that could be used to scan uploaded files from a web site? I am creating an application that will allow users to upload files into a SQL database. Theoretically I'm sure we could have it upload the files to a directory (where the server Anti Virus re...more >>

Dear all, I need to make a strategic decision on an application where data security is important. Collected data must be stored in a database and I need to create an application using vb.NET to collect those data and store them in that database. The problem is that data in that databas...more >>

I am creating a seperate appdomain to host assemblies having less than full trust. The second appdomain has a different ApplicationBase path then the host. I created a "DomainBroker" instance that implements MarshalByRefObject to instruct load and execute the less then full trust assemblies in...more >>

We have an application which load all *.dll from app directories. Is there some way to say which can be loaded and which not? All will be strong named and can be digitally signed. Some of our customers can develop asseblies (dll) and when they put dll into our app directory our app can load...more >>

I'm trying to exchange AES keys between MS RSA & AES CSP and my custom CSP. Scenario is as follows: - Create RSA exchange key with custom CSP - Export PUBLICKEYBLOB from custom CSP (as little-endian) - Import exported blob into MS CSP as public RSA key - Generate AES key with MS CSP (as CRYP...more >>

Hello, would you please provide me with some simple sample of how to use the DESCryptoServiceProvider to encrypt a buffer byte[] buffer; with key byte[] key; I saw some sample using Streams, but is there a simpler method working for buffers? O. ...more >>

Given a pgp public key: Is it possible to encrypt data using the System.Security.Cryptograghy library and decrypt the data using PGPcmdln? I tried and got this error (while trying to decrypt the file): "File is not a PGP file!". What can I do? ...more >>

Hi, I am porting an application from Java to .NET. The application encrypts data using RSA, and this data is sent to a Linux box where it is decrypted using openssl libraries. Public(.crt file) and Private Keys(.key file) are generated on the Linux box with openssl routines. The java applic...more >>