Link with encryption example for 2005

Is there any link where I can see how the new security model wrt
keys/certificates work ? I am looking for examples. to play around with.See my blog - a link to is in my signature.
Thanks
Laurentiu Cristofor [MSFT]
Software Development Engineer
SQL Server Engine
http://blogs.msdn.com/lcris/
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"Hassan" <Hassan@.hotmail.com> wrote in message
news:etpA4MdPHHA.3268@.TK2MSFTNGP03.phx.gbl...
> Is there any link where I can see how the new security model wrt
> keys/certificates work ? I am looking for examples. to play around with.
>