Off-The-Record Email

Robert J. Hansen rjh at
Thu Mar 11 16:46:54 CET 2010

> Is there a way to be able to have off-the-record email conversations
> with GPG technology? It would definitely be a terrific thing.

Not really.  OTR uses DHKEA for symmetric key negotiation.  This is an interactive protocol: you send some information, the other person sends some information back, back-and-forth a few times until a symmetric key emerges from the mathemagic.

Email is not an interactive protocol.  You could probably invent a way to do OTR via email, but it would probably be a horrible kludge.

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