Firewall Wizards mailing list archives

Re: Username password VS hardware token plus PIN


From: "Marcus J. Ranum" <mjr () ranum com>
Date: Thu, 24 Feb 2005 18:52:58 -0500

 David Lang wrote:
IIRC the vunerability of the ols SNK004 format tokens was that if you received enough challange/response pairs 
(potentially as few as two) you could brute-force the DES encryption key and duplicate the token.

At the time, brute-forcing DES was not considered an option
by most people.

mjr. 

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