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. 27, 2021
Filed:
Feb. 15, 2019
International Business Machines Corporation, Armonk, NY (US);
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);
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Abstract
A single architected instruction to produce a signature for a message is executed. The executing includes determining an encrypted sign function of a plurality of encrypted sign functions supported by the instruction to be performed and obtaining input for the instruction. The input includes a message and an encrypted cryptographic key. Based on the encrypted sign function to be performed and the input, a signature to be used to verify the message is produced.