- Patent Title: Authentication of network devices using access control protocols
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Application No.: US16784025Application Date: 2020-02-06
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Publication No.: US11343091B2Publication Date: 2022-05-24
- Inventor: Sujal Sheth , Shwetha Subray Bhandari , Eric Voit , William F. Sulzen , Frank Brockners
- Applicant: Cisco Technology, Inc.
- Applicant Address: US CA San Jose
- Assignee: Cisco Technology, Inc.
- Current Assignee: Cisco Technology, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Polsinelli PC
- Main IPC: H04L29/06
- IPC: H04L29/06 ; H04L9/08 ; H04L9/32

Abstract:
Systems, methods, and computer-readable media for authenticating access control messages include receiving, at a first node, access control messages from a second node. The first node and the second node including network devices and the access control messages can be based on RADIUS or TACACS+ protocols among others. The first node can obtain attestation information from one or more fields of the access control messages determine whether the second node is authentic and trustworthy based on the attestation information. The first node can also determine reliability or freshness of the access control messages based on the attestation information. The first node can be a server and the second node can be a client, or the first node can be a client and the second node can be a server. The attestation information can include Proof of Integrity based on a hardware fingerprint, device identifier, or Canary Stamp.
Public/Granted literature
- US20200322145A1 AUTHENTICATION OF NETWORK DEVICES USING ACCESS CONTROL PROTOCOLS Public/Granted day:2020-10-08
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