Full Disclosure mailing list archives

Re: One-Time Pad Authentication


From: "Jonathan A. Zdziarski" <jonathan () nuclearelephant com>
Date: Sun, 30 Nov 2003 22:23:08 -0500


You don't actually mean a one-time pad, do you?  Sounds like you're 
referring to a one-time token authentication system, especially since you 
mention SecurID.  (I mention this because a few responses are reacting to 
you mentioning an OTP, but I don't think that's what you meant.)

Actually I was interested in a pad...not a seeded authentication
mechanism.  I realize there's a key distribution issue, but it's not
difficult to give out a CD with a few years worth of codes on it.

Seeded will suffice though, in lieu of rolling my own OTP.

I've been using SecurID at the companies I've worked at, so I didn't get
a chance to see what's on the open source network, but now that I'm
looking to implement this on my own systems, looks like a couple of the
tools people mentioned might work.  

Jonathan




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