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 ...

I am writing a web app that uses windows authentication. I have a logout
button in the app that abandons session and returns the user to the main page
of the application. I would like to force the user to provide their windows
credentials again if they choose to reenter the ...

I need to know the user privileges (does user have administrator privileges)
.
Which  c# api's should i use?
Thanks a lot

I need to set folder security to full control to everyone
is it possible from code (without calling any external applications and
sripts) ?
example would be nice.

I have seen a number of postings with problems similar to this:
W2k Pro  sp4 fully patched
IIS 5 web service:  ssl enabled; requiring client certificates
Running on same machine as client

We have windows application and have created our own custom principle &
identity objects that implement IPrinciple and IIdentity. When a user logs
into our system we set the threads principle to our custom principle object
by calling Thread.CurrentPrinciple = blah. This all works ...

How can I, through VB.NET, find out if somebody has access to a specified
directory? The directory will be on an 2000 Server.
TIA.
Jeffrey.

I have an application that sends a .NET (C#) web service an base64 encoded
string.  This string sometimes includes extended ascii, e.g. é ù ô and when I
try to decode this string in the webservice using:
string decodedString = Encoding.UTF8.GetString( Convert.FromBase64String(

I have created a web app and now I want to make sure that it only has execute
rights to run.  Below is what I put in the assembly file.  Is this correct?  
'Allow this web app to execute
<Assembly: Web.AspNetHostingPermission(SecurityAction.RequestMinimum,

Does anyone can point me out to good articles or documents which clearly
explain the security under .Net framework
I try to follow something but I am really getting lost indeed, a lot confuse
with the code security and security of the operating system also how they are

I've installed my web application on a IIS6 (Windows 2003) but I've
difficulty to share caching in Application and Session scope between .NET
and ASP.
It works on a II5...

Hi, there:
 This might be a newbie question. I want my web service to require a
certificate to access, so I go to IIS my virtual directory property and
Directory Security page. I found the "secure communication" secion including

We retrieve data from a company called XYZ through httpwebrequest.
The program is coded using VB.NET
They have given a certificate to install.
This certificate is included with the request object.I use httpwebrequest to

I want to encypt a small ( I'm aware that max 117 bytes may be encryptes
with RSA ) portion of data with private key and later to decrypt it with a
public key which will be embeded in my code.
The problem I am expieriencing is that I _cannot_ decrypt anything with

Hi.  Under the Microsoft .Net 1.1 Wizards there are 3 wizards:
1) Adjust .Net Security
2) Trust an Assembly
3) Fix an application.