Article View: sci.crypt
Article #1748Re: Registered Keys - why the need?
From: Nat Howard
Date: Mon, 09 Nov 1992 18:23
Date: Mon, 09 Nov 1992 18:23
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3835 bytes
In article <7851@transfer.stratus.com> cme@ellisun.sw.stratus.com (Carl Ellison) writes: >My question remains: how will key registration preserve the ability to >wiretap? If the damage done by wiretaps has been so extensive, unless the >OC and drug traffic figures are incredibly stupid, they will have acquired >or will be about to acquire off-the-shelf phone scramblers and message >encryption devices. Granted, there may be some who are of the old school >-- refuse to learn about PCs and e-mail -- but that gang will die off >(partly by wiretapping, it seems). Let me amplify this point. If some scheme is used whereby our keys are registered, then (presumably) only honest folk will register their keys: A law that simply says that it's illegal to use cryptography in a certain way will not deter people already committing more deadly crimes from using good cryptography. In other words, when someone proposes a law to limit the use of cryptography, the large effects would be on innocent folks: the bad guys will ignore them. (That's part of *why* they are "bad guys"). An example: I was once in a discussion about the exportation of DES -- the argument against: "Do you want Saddam to be able to use DES?" But Saddam *can* use DES: as soon as public versions of DES were available outside the US, the argument against US exportation lost almost all of its point. The remaining law inconveniences only those who choose to obey the law. It doesn't actually keep Saddam from getting anything. Thus the law could be called "The Inconvenience Innocent People Act". Its net effect, it seems to me, is to weaken US competitiveness. Similarly, the right thing to ask is if proposed laws regulating crypto are likely to have an important deterrent impact on a person already outside the law. If so, the merits may at least be considered, but *IF NOT* then surely there's no point in such a law: it can only inconvenience the innocent. My arguments stated here apply, of course, only to something already available outside the US (such as DES) or available to criminals (such as IBM PC's). These particular arguments wouldn't apply to something that only the US could create (secure NSA crypto boxes?). So, in sum, my argument is this: a law that would prevent only law-abiding citizens from using crypto is really about inconveniencing (and depriving of privacy) those same innocents. Its effect on bad guys *cannot* be considered a merit, because those benefits do not exist, or are so minor as to be not worth considering. Thus quotes about how much wiretapping saved the US are only tangentially relevant. The bad guys will use secure communications *regardless* of crypto laws. Thus laws against cryptography will *not* save the US much money (there will presumably be some marginal cases) and will have the private communications of innocent people in the hands of the government the minute there's a "menace to national security". Since the US was technically in a state of Emergency from around WWII to (as I recall) the Ford administration, this hopeful notion that the courts are the only ones who will grant access to the keys may, I think, be discounted.
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<715.517.uupcb@grapevine.lrk.ar.us> <1992Nov01.233637.138278@watson.ibm.com> <1992Nov3.090942.1626@guvax.acc.georgetown.edu> <7851@transfer.stratus.com>Show Full Headers
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Newsgroups: sci.crypt Path: arc1-ca.pugleaf.net!sparky!uunet!walter!hum.bellcore.com!nrh From: nrh@hum.bellcore.com (Nat Howard) Subject: Re: Registered Keys - why the need? Message-ID: <1992Nov9.182323.11871@walter.bellcore.com> Sender: news@walter.bellcore.com Nntp-Posting-Host: hum.bellcore.com Reply-To: nrh@bellcore.com (Nat Howard) Organization: Bellcore, Morristown NJ References: <715.517.uupcb@grapevine.lrk.ar.us> <1992Nov01.233637.138278@watson.ibm.com> <1992Nov3.090942.1626@guvax.acc.georgetown.edu> <7851@transfer.stratus.com> Date: Mon, 9 Nov 92 18:23:23 GMT Lines: 60