Re: Crazy idea: How trust in darknets enables secure democratic censorship

On Wed, Jul 13, 2005 at 11:52:00AM +0200, Rainer Kupke wrote:
> Matthew Toseland <toad-EI5O+8PHWbJeeLb3ft/[email protected]> wrote:
> 
> [voting against nodes that insert objectionable content]
> 
> After a night of sleep I came up with two strategies to defeat your
> idea:
> 
> First strategy:
> 1. run several small nodes and never use them to insert stuff. These
> nodes are "good citizerns".

This is perfectly valid. You can run a node.
> 
> 2. Create a new node N
> 
> 3. Use N to insert content
> 
> 4. Delete N before reprimands hit.

This is quite possible, however I don't see how you are going to be able
to repeat it, due to the nature of a darknet. Also it might hurt the
people you connected through.
> 
> 
> Second strategy:
> Spread the blame!
> Create a new data format that uses data inserted by other people as a
> one time pad to encrypt your data before insertion.
> 
> Inserting:
> 1. Create your document (m).
> 2. Find some data (n,o,p,...) that is at least as large as your 
>    document.
>    Be careful to pick (n,o,p,...) so that it is difficult to tell which
>    piece is m (Parts of splitfiles or encrypted documents should work)
> 3. Calculate m' = m XOR n XOR o XOR p ...
> 4. Publish m'.
> 
> Retrieving:
> 1. Retrieve m',n,o,p,...
> 2. Calculate m = m' XOR n XOR o XOR p ...
> 
> Now you need to reprimand the creators of multiple documents just to get
> at one.

Variants of this have been around forever. It is likely that we could
identify which parts were most recent, given an upheld complaint.
-- 
Matthew J Toseland - toad-EI5O+8PHWbJeeLb3ft/[email protected]
Freenet Project Official Codemonkey - http://freenetproject.org/
ICTHUS - Nothing is impossible. Our Boss says so.

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