Patent ID: 11956371
Assignee: T-MOBILE USA, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. The one or more non-transitory computer-readable media of claim 15, wherein receiving the service request comprises receiving a 1-SP recursive authentication token that is associated with the 1-SP server, and wherein acts further comprise:
receiving, from an Identity Service Provider (IDP) server associated with the 1-SP server, an IDP public key of an IDP public-private key pair, the IDP public key being a counterpart to a private key of the IDP public-private key pair that was used to generate the 1-SP recursive authentication token; and
validating a content and an origin of the 1-SP recursive authentication token, based at least in part on the IDP public key.