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- Xref: sparky sci.crypt:3143 alt.security:4289
- Path: sparky!uunet!mcsun!uknet!newcastle.ac.uk!tuda!dph3gds
- From: Graham.Shaw@newcastle.ac.uk (G.D.Shaw)
- Newsgroups: sci.crypt,alt.security
- Subject: Re: Are DES restriction even logically sound?
- Message-ID: <Bu990J.JDn@newcastle.ac.uk>
- Date: 8 Sep 92 10:26:42 GMT
- References: <1992Sep6.071901.21881@uwm.edu> <1992Sep6.094022.28262@uwm.edu> <18h94qINNlkq@early-bird.think.com>
- Organization: University of Newcastle upon Tyne, UK NE1 7RU
- Lines: 19
- Nntp-Posting-Host: tuda
-
- In article <18h94qINNlkq@early-bird.think.com> barmar@think.com (Barry Margolin) writes:
- >In article <1992Sep6.094022.28262@uwm.edu> markh@csd4.csd.uwm.edu (Mark) writes:
- >>(4) If it's described in English, is it regarded as software? English is
- >> executable under a suitably designed specialized natural language
- >> interpreter.
- >
- >When we really have compilers capable of executing free-form English, the
- >government may adjust their notion of the distinction between software and
- >human-oriented description. Since the description of DES *is* in a public
- >domain document (a US FIPS), it's clearly not considered to be a software
- >implementation that is subject to export restrictions.
- >
- True for DES (and indeed most ciphers), but what about intrinsically much
- simpler systems like RSA? With suitable maths software, the distinction
- between a 'human-orientated description' and a 'computer program' becomes
- a very fine one.
-
- Graham Shaw (dph3gds@tuda.ncl.ac.uk)
- Department of Physics, Durham University, England
-