RemailerNet

bill.stewart@pleasantonca.ncr.com +1-510-484-6204 wcs at anchor.ho.att.com
Thu Aug 18 17:17:46 PDT 1994


> lcottrell at popmail.ucsd.edu (Lance Cottrell) writes:
> >Say I post a message through remailers to Cypherpunks giving one of these
> >reply blocks. The TLA need only send a flood of known size messages to this
> >address, and look to see where the pop out of the net of remailers. Even if
> >all messages were quantized and only reconstructed by the final recipient, the
> >TLA could send timed bursts of messages which (even with reordering) would 
> >allow a statistical determination of the recipient.

In particular, this is rather rough on the "reorder and remail after N packets"
approach to remailers - if N is 10, and the Bad Guys can inject messages into
the system, they can tap and duplicate messages going into the remailers....

		Bill






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