I am new to cryptography.
Our application is supposed to send out an XML message to an external
system. The requirement is to encrypt it with PKCS#7? How do I do this
in c# code. I could not find any examples.

Hi, can I configure/program my vb.net exe/dll to trust on only a particular
Certification Authority (CA)? For example, I would create a new CA, it would
certainly those dlls that I created. Then, my exe would trust only this CA,
thus only those dlls that I created.

Is there a way to check to see if a firewall is going to block my apps
communication?  .NET 2.0
I've seen some more recent Microsoft games that were able to test for
blocking and then prompt the user if they would like to add the application

I am developing a C#.NET Windows forms client-server application. The client
software needs to be able to access the server software regardless of the
proxy server configuration of the machine on which the client runs. Using the
following code, the client can access the server via ...

This code has been working all right for a couple of days, but suddenly I'm
getting the error detailed later (C#):
System.Security.Principal.WindowsIdentity ui;
System.Security.Principal.WindowsPrincipal up;

Is there any way to load a System.Security.PermissionSet with all the
permissions that are defined in the runtime security policy for a specific
zone? For example I want to set up an application to simulate running in a
browser, so I want it to be set up with all the permissions ...

If an ASP.NET page with the usual username and password fields is not secure
(it's called at http, not https) but posts to a page through https that does
the username/password lookups, is this process secure?  Or do both pages need
to be going through https?

I have a windows application with a Windows login dialog which is used to
handle different specific users different that Windows login users.
When I start my application I get a security exception when I am loged in as
a Restricted Windows user. The generated exception is normal ...

Does anybody know how I can programatically force ASP.NET to issue a brand
new sessionID to an end user.  The primary challenge I'm looking to overcome
is getting this done in one response request:
1. Client issues an HTTP request (sending in sessionID via cookie)

I have a windows application that can be use by any user. In order to check
my applciation least priviledge i nee to be sure that my applciation runs
correctly with minimum rights.
One phase of my appliction is that it store some log information in a file

Hi -
I am successfully able to retrieve tokenGroups data for a given
sAmAccountName from a .NET 2.0 web page.  However, I'm still in test mode on
my own machine.  What will I need to do to access AD from the web page when

Hi, i only need to make the scoket access unrestricted and nothing else. How
do i do this in an xml which i will be using in adding a permission set using
caspol?
<PermissionSet class="System.Security.NamedPermissionSet" version="1">

I am using below code to give access to a user but when I check in explorer
only "Special Permission' is checked instead of "FullControl"?
DirectoryInfo di = Directory.CreateDirectory("C:\\zDeleteMe");
DirectorySecurity dSecurity = di.GetAccessControl();

I have an application with exists out of 1 exe with lots of referenced
dll's.
The application is on a shared network drive, and then started from the
client. It'is made an compiled in VS 2005 and running on Windows XP

I have build a WIndows application that is deployed under 2000 or XP
workstation.
If I set to 1 the entry in <Diagnostics> elements of App.config file, then
it generates log file entry under a LOG folder located below the Installation