.NET Security

I am new to CAS and sould like to know if it is possible to do the following: I would like to attribute properties and methods ClassA  so that they may only be called by ClassB otherwise an error will be thrown. ...

Hi Everyone:    I have asimple app as below using System; using System.IO; using System.Security; class App{    public static void Main(string[] args){       StreamReader reader = new StreamReader(args[0]);       Console.WriteLine(reader.ReadToEnd()); ...

I have been struggling with this for a couple of weeks. I have a digital certificate installed in my certificate collection store on my local computer.  The site I am trying to post to also has our certificate installed is said it is ready to recieve transactions.  I have created a file ...

I'm working on a ASP.NET app and as part of the app I'm uploading some pictures to the web server and these pictures can then be accessed by authorized users by clicking on a link. All the aspx files a protected by a custom security solution that checks if ...

I'm reading O'Reilly's .NET Security right now and it is very informative.  The book is filling me in on the various classes in the Security namespace and teaching me the very basics on how to use it. ...

I'm needing to use FIPS 140-2 validated AES encryption with in .NET 1.1.  I have gotten conflicting reports regarding the validation status of this particular class.  Can someone please verify whether or not the Rijndael ...

I am trying to restrict an application I am writing to a single directory (not known until run-time) to prevent any possible directory traversal attacks (the application needs to deal with untrusted-user-supplied paths). What I have done is: ...

How can i limit the access to file IO? Im using C#, the code is executing on the local machine i can enable access to file IO with: PermissionSet ssc = new PermissionSet(null); ssc.AddPermission(new SecurityPermission(SecurityPermissionFlag.Execution)); ssc.AddPermission(new FileIOPermission(PermissionState.Unrestricted)); ...

Hi, I'm trying to run my app from a server. I've given it a strong name using sn.exe and have put the AssmeblyKeyFile("mypath") attribute into the AssemblyInfo.vb module. Now I get the error, "Unable to emit assembly: ...

Hi all, I'm developing a web application (ASP.NET, VB.NET) with client authentication based on personal certificates. My web server (IIS 5.0) is configured correctly to perform the authentication but here it is my problem: To retrieve the client certificate in server I can use the traditional ...

I am attempting to write a application using .net remoting. i would like to validate that the client code has not been tampered with. From my understanding there is a way to validate the client's assembly, possibly using digital signing. I understand how to create the hash values and even ...

Hi, I'vr written a function which checks if a use has rights to write a file. This function uses WindowsPrincipal.IsInRole to check if the user is part of a role defined on the file acl. Now I want ot change the function to also ...

Hi, My app runs fine when it's in a folder on any given user's machine on the network. However, when I move the app to a location on the server, I get this error: Request for the permission of type ...