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:
Jun. 25, 2024

Filed:

Oct. 04, 2019
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventor:

Akira Nagai, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/30 (2006.01); H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 9/0825 (2013.01); H04L 9/0894 (2013.01); H04L 9/3066 (2013.01); H04L 63/166 (2013.01);
Abstract

A terminal for performing authentication through TLS 1.3 with a server connected via a communication network. The terminal includes a memory and a processor configured to execute transmitting, to the server, a ClientHello message including a first identifier and a first short-term public key, which are needed to generate a shared key for encrypting a message during a handshake in the TLS 1.3, through key exchange with mutual authentication using ID-based encryption; receiving, from the server, a ServerHello message including a second identifier and a second short-term public key, which are needed to generate the shared key; and generating the shared key using the first identifier, the first short-term public key, the second identifier, and the second short-term public key.


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