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:
Mar. 04, 2003
Filed:
Apr. 23, 1999
Applicant:
Inventor:
David W. Palmer, Portland, OR (US);
Assignee:
Convera Corporation, Vienna, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 ;
U.S. Cl.
CPC ...
H04L 9/00 ;
Abstract
A method includes determining a recovery value for a portion of a secret value by measuring a first time value to execute an instruction sequence. The recovery value is determined as a function of the first time value and the portion of the secret value. An instruction sequence is adapted to measure a second time value to execute the instruction sequence and to determine the portion of a secret value as a function of the second time value and the recovery value.