can't talk for Microsoft but with crypto mode 2 RMS is supporting a higher encryption strength.http://technet.microsoft.com/en-us/library/hh867439(v=ws.10).aspx
So from RSA key from 1024bit to 2048bit and hasing from SHA 128bit to 256bit. But it does not change the symmetric encryption what is still AES128. Crypto mode 2 is not available for Windows 2000/XP.
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