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.

Date of Patent:
Apr. 12, 2022

Filed:

Feb. 15, 2019
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Eric M. Schwarz, Gardiner, NY (US);

Jonathan D. Bradbury, Poughkeepsie, NY (US);

Edward T. Malley, New Rochelle, NY (US);

Christian Jacobi, West Park, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/30 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3252 (2013.01); H04L 9/3033 (2013.01); H04L 9/3242 (2013.01);
Abstract

A single architected instruction to produce a signature for a message is obtained. The instruction is executed, and the executing includes determining a sign function of a plurality of sign functions supported by the instruction to be performed. Input for the instruction is obtained, and the input includes a message and a cryptographic key. A signature is produced based on the sign function to be performed and the input. The signature is to be used to verify the message.


Find Patent Forward Citations

Loading…