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:
Apr. 26, 2005
Filed:
Jul. 14, 2000
Applicant:
Michael P. Lyle, San Jose, CA (US);
Inventor:
Michael P. Lyle, San Jose, CA (US);
Assignee:
Symantec Corporation, Cupertino, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L009/00 ;
U.S. Cl.
CPC ...
Abstract
A system and method are disclosed for determining whether a sender seeking to send a message to a receiving computer system via a network is an authorized sender. A request to communicate is received from the sender. A number Nis selected. A hash value for the number Nis calculated. The hash value is sent to the sender.