This is a very sneaky feature which has been discovered or blogged by quite a few .net gurus. I just want to give a simple example as how to declare it properly. Let us say you are developing a core assembly called MyAssembly. And you also developed another...

When you use X509Certificate to encrypt a message, sometime you will see an error like "Private Key is not available". Here is the list you want to check first: 1. Permission problem: The running thread must have permission to access the public/private...