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.

Date of Patent:
May. 27, 2025

Filed:

May. 09, 2023
Applicant:

Hewlett Packard Enterprise Development Lp, Spring, TX (US);

Inventors:

Ravi Suhane, Bangalore, IN;

Amit Agrawal, Bangalore, IN;

Nagendra Babu Rapaka, Bangalore, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/08 (2006.01); H04L 9/30 (2006.01); H04L 9/32 (2006.01); H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/0823 (2013.01); H04L 9/0819 (2013.01); H04L 9/3073 (2013.01); H04L 9/3268 (2013.01); H04L 63/0272 (2013.01); H04L 63/0485 (2013.01); H04L 63/123 (2013.01); H04L 63/166 (2013.01);
Abstract

Some examples relate to a verifying the authenticity of IKE exchange messages in a VPN. In an example, a VPN client sends a VPN server profile request message to a VPN server for establishing a VPN connection. In response, the VPN server provides a VPN server profile to the VPN client. The VPN server profile comprises a cryptographic public key associated with a server certificate of the VPN server. The VPN client stores the VPN server profile and sends an IKE message to the VPN server. In response to the IKE message, the VPN server sends a signed IKE response message. Upon receipt, the VPN client verifies the authenticity of the signed IKE response message. If the signed IKE message is successfully verified, the VPN client sends an identity of the VPN client to the VPN server.


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