Thread View: alt.security.ripem
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Started by Carl Ellison
Tue, 12 Jan 1993 23:51
one-time passphrases
Author: Carl Ellison
Date: Tue, 12 Jan 1993 23:51
Date: Tue, 12 Jan 1993 23:51
29 lines
1602 bytes
1602 bytes
I have a normal terminal at home with a normal modem. (My company provides them to us.) [I'm on it at the moment.] I would never consider using RIPEM from here because I'd have to type my KEK passphrase. However, I could consider having to use RIPEM for some urgent reason. I could, conceivably, make several copies of my private key and encrypt them under passphrases which I will never use more than once. I could then have RIPEM accept one of these one-time phrases, use it and destroy the file in the same step. The vulnerability is that someone might have a copy of the file already and from that s/he could get my private key. Assuming I find some way around that vulnerability, what kind of RIPEM work might I feel free to do from home over an insecure line? What kind might you do from home? [P.S. I know -- the real answer is to spend the $25 for a PC clone :-) ] -- -- <<Disclaimer: All opinions expressed are my own, of course.>> -- Carl Ellison cme@sw.stratus.com -- Stratus Computer Inc. M3-2-BKW TEL: (508)460-2783 -- 55 Fairbanks Boulevard ; Marlborough MA 01752-1298 FAX: (508)624-7488
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