well - the easy answer is : you can't.
if someone 'owns' your assembly he can pretty much do everything he wants.
e.g. turn off CAS altogether (caspol -s off).
You can't just "assign" the public key to a assembly - because you need the private key to sign the assembly to match ...

Is there any way of changing NTFS permissions (given that the user logged on
has the rights) in C#? Thanks for your help
Shawn H. Mesiatowsky

I have an ASP.NET application that uses impersonate account to connect to
DB, this works good. But in some cases I need to put some methods in
ThreadPool. The methods from ThreadPool should do some foreground operations
with DB. But .NET throws me the sql exception "Login failed for ...

I have a requirement to encrypt a string using the public
key from an RSA certificate provided to me.  I can load
the certificate file using the
X509Certificate.CreateFromCertFile method or the

I've just run into a rather pesky issue. If I use the XmlSerializer
class from a strongly named assembly, the generated assembly makes a
demand for full trust if the strongly named assembly doesn't have the
AllowPartiallyTrustedCallers attribute. Some of my customers have IS

According to my research, it looks like I can use the Windows Security
Principal to verify that a user is authenticated or to see if they belong to
a certain group etc.
The thing that bothers me is that this object resides in the client computer

Could someone please provide the steps necessary to sign code that will be
used by everyone in my organization using a certificate from my enterprise
root CA.

I am having a problem with my ASP.NET application and using Windows
Authentication.  It works until I take the "Everyone" group away from the
permissions.  Then it won't let anyone in, including the domain admins or
local admins.  I do not have much knowledge of groups and rights, ...

My problem is the first request done on Active Directory using DirectoryServices object take 5 seconds.
All folowing search are less than 1 second, even i am using a new instance of DirectoryServices.DirectoryEntry.
The problem is the same with both methods :
- DirectoryServices ...

My control uses several other controls - MagicLibrary being one of them. If
I change my Internet security to Full Trust everything work fine but when I
just have full trust for my control I get this error.
These are the permissions I'm requesting I get:

On my previous post I mentioned my developement team is interested in
protecting our assemblies from being used by other people. One way we think
we could do this is by giving a strong name to our assemblies using the same
key pair, and using a LinkDemand for the PublicKey in all ...

I am new to CAS.
I am trying to protect my assemblies so they cannot be called by other
assemblies not signed by our company.
I create a company key pair using: sn -k myKey.snk