US 12,388,664 B2
Device authorization using a directory system
Mayukh Ray, Sammamish, WA (US); and Alistair James Lowe, Ipswich (GB)
Assigned to Microsoft Technology Licensing, LLC, Redmond, WA (US)
Filed by Microsoft Technology Licensing, LLC, Redmond, WA (US)
Filed on Jun. 9, 2023, as Appl. No. 18/332,079.
Prior Publication US 2024/0414012 A1, Dec. 12, 2024
Int. Cl. H04L 9/32 (2006.01)
CPC H04L 9/3268 (2013.01) [H04L 9/3213 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method implemented at an edge device computer system that includes a processing system, comprising:
based on a private key at the edge device, obtaining a device certificate from an authentication service, wherein the private key is associated with a public key, the public key being associated with a device identifier for the edge device at a directory service;
based on the private key, sending a request for a service token to the authentication service from the directory service, wherein the directory service has identified the public key for the edge device;
receiving the service token from the authentication service; and
using the service token to access a service.