I think this article will help you out with these topics.
http://www.jensign.com/JavaScience/dotnet/keyinfo/
Hopefully this will solve most of your doubts. However if you have any
further question please don't be afraid to ask.
Note: Before calling the RSACryptoServiceProvider constructor with the
CspParameters instance, you should set the Flags property with one of these
two values:
UseMachineKeyStore or UseDefaultKeyContainer and set the KeyContainerName
value as well.

Signature
Hernan de Lahitte
Lagash Systems S.A.
http://weblogs.asp.net/hernandl
This posting is provided "AS IS" with no warranties, and confers no rights.
> I'm using and overloaded RSACryptoServiceProvider rsa =
> RSACryptoServiceProvider(CspParameters cp) indicating the container name
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