"Robert J. Hansen" <r...@sixdemonbag.org> writes: > On Tue, 22 Mar 2011 14:37:16 +0000, Jerome Baum <jer...@jeromebaum.com> > wrote: >> Part thought experiment, part practical usage. I was thinking more in >> terms of a German court asking me to turn over evidence -- but then, >> there still might be a lead pipe involved outside the scope of a court >> case. > > The amount of lead pipe a court can swing at you in many ways exceeds the > amount of lead pipe organized crime can throw at you. Let's do this > thought experiment again, but this time with a zealous prosecutor who is > sincerely doing what she believes to be her job. Further, assume you have > a deniable cryptosystem: you can't deny you received the message, but you > can neither prove nor disprove having the ability to read it. > > Alice and Bob are plotting a heinous crime -- terrorism, narcotics > trafficking, child exploitation, whatever. They know their communications > are being monitored and they are using a deniable cryptosystem. They have > also made plans for what to do if either of them ever gets arrested: they > will do their best to incriminate someone else, so that the surviving > conspirator will have time to go to ground and continue their plans of > skulduggery. > > Alice gets picked up by the cops. Paula Prosecutor interrogates her. > Alice says, "my co-conspirator was Jerome Baum." This is a lie, of course, > but all Alice needs to do is give the police someone to chase after for a > few days while Bob goes into hiding. Alice has sent you some innocuous > messages through a deniable system in order to make you a good candidate > for being made their patsy.
What stops her from sending me real messages with this kind of content? Even non-encrypted? I could reply "I don't know what you're talking about", but how does the prosecutor care? The only way I could get out of it is to show I don't have any connection with Alice, but there is no way I could ever do that -- as Sven mention off-list, the mere existence of deniable systems gives me this danger. In fact the existence of criminals gives me the danger of being accused -- it does not make deniable systems a problem. Also, when did Alice turn evil? :) -- PGP: A0E4 B2D4 94E6 20EE 85BA E45B 63E4 2BD8 C58C 753A PGP: 2C23 EBFF DF1A 840D 2351 F5F5 F25B A03F 2152 36DA
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