Decoded message was: Re: Article on PGP uses Gnupg :)

[David Shaw]

On Wed, Jan 15, 2003 at 12:16:23PM +0200, Charly Avital wrote:
> Let's assume that both messges, before and after encryption, are real,
> meaning that the cyphertext  is the result of the plaintext encrypted to
> that key.
> 
> Let's also assume that both pict files can be scanned and OCR'd into real
> data material, would it be possible then to retrieve the secret key (and
> passphrase)?

That is known as a known-plaintext attack.  All algorithms used in
OpenPGP are resistant to such attacks.

David

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   David Shaw  |  dshaw@jabberwocky.com  |  WWW http://www.jabberwocky.com/
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