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Re: Some entropy calculations with secret/huffman interaction

From: Ilari Liusvaara <ilari.liusvaara@elisanet.fi>
Date: Wed, 27 Nov 2013 21:00:48 +0200
To: Martin Thomson <martin.thomson@gmail.com>
Cc: HTTP Working Group <ietf-http-wg@w3.org>
Message-ID: <20131127190048.GA27123@LK-Perkele-VII>
On Wed, Nov 27, 2013 at 09:08:04AM -0800, Martin Thomson wrote:
> On 27 November 2013 02:40, Ilari Liusvaara <ilari.liusvaara@elisanet.fi> wrote:
> > The secret
> 
> Have we worked out yet how to determine if something is secret or not
> algorithmically?

No, I just wanted to calculate how bad the entropy loss is.

Also, doing Huffman on anything that looks like base64 probably isn't a good
idea.

Hexadecimal stuff (escpecially with lowercase a-f) does compress
(average ~30%; Hmm... I wonder how badly those leak...).

-Ilari
Received on Wednesday, 27 November 2013 19:01:18 UTC

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