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- Newsgroups: sci.crypt
- Path: sparky!uunet!cs.utexas.edu!zaphod.mps.ohio-state.edu!malgudi.oar.net!chemabs!jac54
- From: jac54@cas.org ()
- Subject: Re: Spycatcher
- Message-ID: <1993Jan26.113220.20942@cas.org>
- Sender: usenet@cas.org
- Organization: Chemical Abstracts Service, Columbus, Ohio
- References: <1993Jan25.154016.10434@cas.org> <fraserdt.727978978@unixg.ubc.ca> <1993Jan25.182906.9035@netcom.com>
- Date: Tue, 26 Jan 1993 11:32:20 GMT
- Lines: 45
-
- In article <1993Jan25.182906.9035@netcom.com> strnlght@netcom.com (David Sternlight) writes:
- >In article <fraserdt.727978978@unixg.ubc.ca> fraserdt@unixg.ubc.ca (David T.S. Fraser) writes:
- >>In <1993Jan25.154016.10434@cas.org> jac54@cas.org () writes:
- >>
- >>>In article <1993Jan23.181520.18783@magnus.acs.ohio-state.edu> jebright@magnus.acs.ohio-state.edu (James R Ebright) writes:
- >>>>
- >>>>Both books are great reads! (Ever wonder why regular typewriters are
- >>>>not used to type crypto messages...Read SPYCATCHER for that and much more.)
- >>
- >>> That's regular ELECTRIC typewriters, regular manual typewriters
- >>> are very popular with the security-conscious.
- >>
- >>Same goes for PCs, too.
- >
- >I understand from my current reading, including a recent and excellent book
- >on the CIA, apparently published with CIA cooperation to help with their
- >more "open" image, and filled with revelations not previously seen, that
-
- That would be "Inside the CIA" by Ronald Kessler.
-
- >manual typewriters are no more secure than electric. One simply uses
- >different techniques for eavesdropping. In the case of "golf-ball"
- >electrics, the motor is on for different lengths of time depending on the
- >characters typed. In the case of manual ones, the sound is different
- >depending on the key being struck.
-
- It all goes back to the old problem: a system is only as secure
- as the people who operate it. Anybody paranoid enough not to
- use an electric typewriter, but not careful enough to consider
- attacks on the manual typewriter isn't really thinking about
- what they're doing and whether or not their information is
- valuable enough to an opponent to make them try that sort of thing.
-
- >The book (sorry I haven't a pointer--I returned it to the library) has a
- >particularly fascinating account of how the Soviets installed eavesdropping
- >transmitters in the vertical support bar of U.S. typewriters in such a way
- >that the workmanship was completely undetectable visually and the bugs had
- >the same X-ray density as the support bar and thus didn't show up via
- >X-ray. It took newer scanning techniques to spot the anomalies in the
- >support bars and lead to the detection of the hidden bugs.
-
- And to think that they can't produce a TV set that doesn't
- explode.
-
- Alec Chambers
-