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:
Jun. 29, 1993
Filed:
Sep. 28, 1990
Applicant:
Inventors:
Morrie Gasser, Saugus, MA (US);
Andrew C Goldstein, Hudson, MA (US);
Charles W Kaufman, Northborough, MA (US);
Butler W Lampson, Cambridge, MA (US);
Assignee:
Digital Equipment Corporation, Maynard, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L / ; H04L / ;
U.S. Cl.
CPC ...
380 30 ; 380 23 ; 380 25 ; 380 49 ; 34082531 ; 34082534 ;
Abstract
A method for delegating authorization from one entity in a distributed computing system to another for a computing session is disclosed wherein a session public/private encryption key pair is utilized for each computing session. The private encryption key is erased to terminate the computing session.