US 11,838,427 B2
Usage restrictions for digital certificates
Rinkesh I. Bansal, Pune (IN); Vinod A. Valecha, Pune (IN); Sanjay B. Panchal, Mumbai (IN); and Chintan Thaker, Pune (IN)
Assigned to International Business Machines Corporation, Armonk, NY (US)
Filed by International Business Machines Corporation, Armonk, NY (US)
Filed on Feb. 4, 2021, as Appl. No. 17/167,378.
Prior Publication US 2022/0247575 A1, Aug. 4, 2022
Int. Cl. H04L 9/32 (2006.01); G06F 21/57 (2013.01); G06N 5/04 (2023.01); G06N 20/00 (2019.01)
CPC H04L 9/3263 (2013.01) [G06F 21/57 (2013.01); G06N 5/04 (2013.01); G06N 20/00 (2019.01); G06F 2221/034 (2013.01); G06F 2221/2137 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A computer-implemented method comprising:
selecting a digital certificate relating to a user;
determining a usage restriction policy for the digital certificate based on the users;
populating an extension field of the digital certificate with the usage restriction policy;
providing the digital certificate including the usage restriction policy to the user;
detecting a violation of the usage restriction policy; and
recording the violation in another extension field of the digital certificate.