RE: Ephemeral RSA (was Re: [TLS] Any advice regarding frequency ofgenerating)

["Whyte, William" <WWhyte@xxxxxxxx>]

RSA keys take a long time to generate, so it's not clear that this
would have any significant advantages over ephemeral DH.

William 

> -----Original Message-----
> From: Mike [mailto:mike-list@xxxxxxxxx] 
> Sent: Tuesday, December 19, 2006 6:10 PM
> To: tls@xxxxxxxx
> Subject: Ephemeral RSA (was Re: [TLS] Any advice regarding 
> frequency ofgenerating)
> 
> > RSA ephemeral is not "prohibited".  Is not standardized, thats true.
> 
> It would be easy to define a hello extension to add ephemeral RSA.
> The client would send the extension indicating that it would accept
> an ephemeral RSA key, and the server would respond with the same
> extension in the server hello indicating that it will send a server
> key exchange message with the key.  This would avoid the need to
> define new cipher suites for ephemeral RSA.
> 
> Mike
> 
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