.NET Security

I am designing a document store. I want user to login and then be able to download files presented to them in the form of a list of links. Obviously I don't want nonlogged user to be able to see the files over http. I have ...

I'm trying to instantiate an RSACryptoServiceProvider in a web service, which works fine on my local machine.  But when I move the web service out to my production server, it blows up with the following error: System.Security.Cryptography.CryptographicException: CryptoAPI cryptographic ...

I have a general question where is the best practice to store and how to pass in the key for symmetric encryption to an app.   I have created a helper dll to aid with the encrypting\decrypting sensitive scripts that we have.  How should I interact with this DLL by ...

I am attempting to construct a custom implementation of IMembershipCondition (which actually does a bit of work and then delegates to a UrlMembershipCondition object). I hjave given it a trong name and successfully installed it in the GAC, but an attempt to add it to the policy assemblies in the config msc tool gives ...

I wrote a program and installed it xcopy logged onto User A. Everything works OK. When User B logs on and attempts to run a part of the program which writes to a log file, the following error comes up. ...

I have a Win98 laptop which is connected to our local network. I want to run a .NET program which is located on a server, but I am not allowed to by the laptop. If I copy the exe to the harddisc, it will run ok. ...

I get some marvelous error from my c# program again & again, i guess it is a security exception error, so i disable security with caspol -s off, give it full trust, copy it to hard drive, copy it to cd drive, sign it with public/private key, in all these cases i got the same exception, i use framework 1.1.4322. and just want to read the file, not write to it, also i am admin of my computer! and it is in the same directory. why i got this error? ...

We have a .NET GUI that is talking to a backend J2EE server using a proprietary bridging solution (not webservices). All of the GUI users logon to their machines, which in turn authenticates them against ActiveDirectory. So by the time the user pulls up the GUI s/he has already been authed against ActiveDirectory. So far, so good. The problem now arises as the J2EE server is protected against ActiveDirectory as well. So any access to the J2EE server requires user/pass to go against ActiveDirectory for auth/auth. We need to be able to extract the user/pass from the GUI and pass it down to the J2EE server for auth. Yes I know -- "we cant gain access to the password because of..." ...

Hi, I am porting a client program from Java to .NET. In a nut shell I need to encrypt some data and send it over to a linux server, where the data is decrypted using openssl libraries. The public/private keys are generated with openssl routines. ...

Hi everyone, Im designing a web app which will run as an executable from a network share. The problem is the security exception that keeps popping up. How do I set the permissions with the caspol tool.Is there a painless way to do this.The reason is caus I have  about a hundred users who need  to access this app and it would be impossible to walk to each persons desk .The company has not had this issue cause they were working with vb apps and they worked fine. ...

I'm having a PrincipalPermission problem.  Here's what I've done: 1) In IIS directory security, I've disabled Anonymous access and enabled Integrated Windows Authentication. 2) Created a local windows group called "TESTERS" 3) Created a local windows user called "TESTUSER" ...

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 ...

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). ...