The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 2000
Filed:
Sep. 15, 1997
Applicant:
Inventors:
Mark Charles Davis, Durham, NC (US);
David Gerard Kuehr-McLaren, Apex, NC (US);
Calvin Stacy Powers, Cary, NC (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
380 21 ; 380-4 ; 380 23 ; 380 25 ; 380 30 ; 713201 ;
Abstract
Systems, methods and computer program products for two-party key authentication provide additional security against intruders that might gain access to the password database of a server. The client verifies his clear password over an encrypted channel, rather than merely verifying the encrypted password, prior to receiving secure traffic.