Article View: sci.crypt
Article #1367Re: New Encryption System - Challenge!
From: Daniel F Boyd
Date: Sun, 08 Nov 1992 00:58
Date: Sun, 08 Nov 1992 00:58
31 lines
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1569 bytes
In article <n0dc8t@ofa123.fidonet.org> Erik.Lindano@ofa123.fidonet.org writes: > > A person has approached me and said he has devised an unusual > encryption method. [...] > One of the challenges he's proposed goes like this: [...] > 2. Each of these encrypted files can be quickly and correctly > decrypted using the same or another copy of NuCrypt. [...] > 4. The NuCrypt program itself, used to perform the encryption and > decryption, is not disclosed. [...] > My acquaintance likes to think no one can defeat his cipher. Your acquaintance doesn't know ANYTHING about cryptography. He is ignorant of the Fundamental Assumption Of Cryptography: "The security of a system lies only in the keys." Given your description, NuCrypt doesn't even use a KEY. Send the guy to the library. -- Daniel F. Boyd -- boyd@cs.buffalo.edu -a +X -x -e -m -S -F"> " ---------------------------------------------------------------------- ((lambda (x) (list x (list (quote quote) x))) (quote (lambda (x) (list x (list (quote quote) x)))))
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Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!rutgers!ub!acsu.buffalo.edu!boyd From: boyd@acsu.buffalo.edu (Daniel F Boyd) Newsgroups: sci.crypt Subject: Re: New Encryption System - Challenge! Summary: You can binhex and _____ __. Message-ID: <BxDHCr.AMB@acsu.buffalo.edu> Date: 8 Nov 92 00:58:03 GMT References: <n0dc8t@ofa123.fidonet.org> Sender: nntp@acsu.buffalo.edu Organization: UB Lines: 31 Nntp-Posting-Host: lictor.acsu.buffalo.edu