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Re: the introduction problem, was Email and reputation (was Re: Service outages planned for April 25)

Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp> Sun, 15 May 2022 05:49 UTC

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Subject: Re: the introduction problem, was Email and reputation (was Re: Service outages planned for April 25)
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John Levine wrote:

> That's exactly web of trust, and we have seen why that doesn't scale,

Cryptographic security requires key sharing directly between
the first and the second parties without any intermediate
intelligent entities as third parties and just can not scale.

> because your contacts' preferences aren't yours.
It explains why PKI is not cryptographically secure.

Your CA is not yours but merely an untrustworthy third party.

 > ("Gee, he seemed so
 > nice and it would have been rude to refuse.")

An or all the employees of a CA may be compromised
that way.

							Masataka Ohta

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