Eugene Smiley on Tue, 9 Sep 2003 17:20:18 -0400


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Re: [PLUG] gpg spoof?


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David Shaw wrote:
> In short the attack works like this: Alice sends an encrypted
> message to Charlie.  Baker intercepts it, but cannot read it.
> Baker mangles the message in a special way and sends it to Charlie.
> Charlie decrypts it (thinking it is from Baker) and discovers a
> whole lot of gibberish.  Charlie replies (quoting the gibberish) to
> Baker, saying "what is this?".
>
> Baker can then use the gibberish to decrypt the original message
> from Alice to Charlie.

Does this compromise the users encryption key or just the session key
for that message?


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