From:                   Ed Gerck <[EMAIL PROTECTED]>
> Digital certs (X.509 and PGP) are useful when the key
> owner is not online. There is a world when this not
> only happens but is also useful. BTW, this is
> recognized in IBE as well.

But the key owner is always online, for in practice,
certs are always used for https.

Arguably we should be using not-necessarily-online certs
to sign email, but the email that arguably needs
signing, for example emails from amazon.com, are never

The only reason this email is signed is to make a point
about technology, not because the signature serves any
useful purpose.


         James A. Donald

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