Computer A encrypts message with a personal key and stores the message in the cloud. The personal key is never shared so it can't be attacked, computer B gets the messages and decrypts with the personal key.w
On 31 October 2014 21:04, Nadim Kobeissi <[email protected]> wrote: > Hi everyone, > I've been wondering about how to make asynchronous forward-secret > messaging systems work when the user is accessing message history from > multiple devices. > > Say I send a bunch of messages from computer A to another user's computer > U. > Later, I buy myself a new computer B on which I want to download and > decrypt my message history. > > If the messages I sent all relied on my long-term identity, then I can > just use my long-term key pair to decrypt the messages on computer B and > there wouldn't be a problem. > > However, I am wondering how that would work in case I was using > forward-secret session keys that changed message by message. How would the > session secrets be communicated across devices? How would computer B be > able to decrypt my forward-secret messages sent from computer A? > > It would be great to hear the opinion of the many experts on this list > regarding this matter. > > Regards, > NK > > _______________________________________________ > Messaging mailing list > [email protected] > https://moderncrypto.org/mailman/listinfo/messaging >
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