1993-10-19 - Re: Canon copier engine

Header Data

From: peb@PROCASE.COM (Paul Baclace)
To: XXCLARK@indst.indstate.edu
Message Hash: b41ec1a58a482d88a434227ae538250d064fc72c76a65b4e05698d7f544bb007
Message ID: <9310191742.AA03546@banff.procase.com>
Reply To: N/A
UTC Datetime: 1993-10-19 17:47:31 UTC
Raw Date: Tue, 19 Oct 93 10:47:31 PDT

Raw message

From: peb@PROCASE.COM (Paul Baclace)
Date: Tue, 19 Oct 93 10:47:31 PDT
To: XXCLARK@indst.indstate.edu
Subject: Re: Canon copier engine
Message-ID: <9310191742.AA03546@banff.procase.com>
MIME-Version: 1.0
Content-Type: text/plain



>        The worrisome item was the statement that the copiers would add
>   some sort of unspecified marking to each copy made, allowing copies
>   to be traced back to their source.

Steganographic signatures.  Similarly, signatures are being put into explosives 
(although they are somewhat traceable already) by using various mixtures of
trace elements.


Paul E. Baclace
peb@procase.com

Thread

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• Return to “Eric Blossom <eb@srlr14.sr.hp.com>”
• Return to “holland@CS.ColoState.EDU (douglas craig holland)”

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• 1993-10-19 (Tue, 19 Oct 93 10:47:31 PDT) - Re: Canon copier engine - peb@PROCASE.COM (Paul Baclace)
  • 1993-10-19 (Tue, 19 Oct 93 14:57:36 PDT) - Canon copier engine - Eric Blossom <eb@srlr14.sr.hp.com>
    • 1993-10-20 (Wed, 20 Oct 93 08:22:32 PDT) - Explosives tracers - holland@CS.ColoState.EDU (douglas craig holland)