[146730] in cryptography@c2.net mail archive
Re: [Cryptography] XORing plaintext with ciphertext
daemon@ATHENA.MIT.EDU (Jon Callas)
Sat Sep 7 04:14:24 2013
X-Original-To: cryptography@metzdowd.com
From: Jon Callas <jon@callas.org>
In-Reply-To: <alpine.BSF.2.00.1309071708380.68676@aneurin.horsfall.org>
Date: Sat, 7 Sep 2013 01:13:00 -0700
To: Dave Horsfall <dave@horsfall.org>
Cc: Cryptography List <cryptography@metzdowd.com>, Jon Callas <jon@callas.org>
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com
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On Sep 7, 2013, at 12:14 AM, Dave Horsfall <dave@horsfall.org> wrote:
> Got a question that's been bothering me for a whlie, but it's likely
> purely academic.
>
> Take the plaintext and the ciphertext, and XOR them together. Does the
> result reveal anything about the key or the painttext?
It better not. That would be a break of amazing simplicity that transcends broken.
Jon
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