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:
Jul. 28, 2009
Filed:
Dec. 16, 2005
Brian D Goodman, New York, NY (US);
Frank L. Jania, Chapel Hill, NC (US);
James K. Kebinger, Somerville, MA (US);
Darren M. Shaw, Fareham, GB;
Brian D Goodman, New York, NY (US);
Frank L. Jania, Chapel Hill, NC (US);
James K. Kebinger, Somerville, MA (US);
Darren M. Shaw, Fareham, GB;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A system and method of performing cooperative non-repudiated message exchange from a first system to a second system in a computer network comprises checking for discrepancies between a current system time in the second system with an actual time; performing a time synchronization process to match the current system time with the actual time; exchanging public encryption keys between the first and second systems; sending a digitally signed message from the first system to the second system; decoding the digitally signed message; sending a digitally signed acknowledgment message from the second system to the first system; decoding the digitally signed acknowledgment message; and committing text of the digitally signed message to an official transcript on the first system.