On 2013-05-16, at 3:50 PM, william yager <[email protected]> wrote:

> I'm curious how, when I add a new device to my iMessage account, all my old 
> IMs show up in the chat history on the *new* device. If my understanding is 
> correct, it appears that someone who possesses a cleartext copy of the 
> messages is re-encrypting them with the new device's public key.

Off the top of my head, I can't think of a plausible explanation other than 
Apple keeping a copy of those messages around in either plaintext or in a form 
that they can decrypt on their own.

Cheers,

-j


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