Russ Housley <hous...@vigilsec.com> writes:

>I am sure you know that ephemeral-static DH was original used for S/MIME. The
>reasoning for ephemeral-static DH was not to make it work like RSA. Rather,
>the idea was to provide authentication of the static DH key holder by
>certifying the static DH public key.

... thus making it quack like RSA, with a certified static public key.  That's
exactly the point I was making about running DH sideways, taking a key
agreement mechanism and beating it into a form where it worked more like RSA
key transport.

Peter.


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