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:
Jul. 21, 2026

Filed:

Dec. 16, 2021
Applicant:

Ntt, Inc., Tokyo, JP;

Inventors:

Yuki Yamanaka, Musashino, JP;

Hiroyoshi Takiguchi, Musashino, JP;

Masanori Shinohara, Musashino, JP;

Tomohiro Nagai, Musashino, JP;

Yasunori Wada, Musashino, JP;

Assignee:

NTT, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); G06F 21/44 (2013.01); G06F 21/55 (2013.01); G06F 21/57 (2013.01); G06F 21/64 (2013.01);
U.S. Cl.
CPC ...
H04L 9/0869 (2013.01); G06F 21/44 (2013.01); G06F 21/554 (2013.01); G06F 21/57 (2013.01); G06F 21/64 (2013.01);
Abstract

A detection system includes a node and a verification server, wherein the node includes first processing circuitry configured to generate a plurality of random values based on a seed received from the verification server, and generate a response based on information on an area of a first storage content specified by the plurality of generated random values, and transmit the generated response to the verification server, and the verification server includes second processing circuitry configured to generate a plurality of random values based on the seed, generate a verification response based on information on an area of a second storage content specified by the plurality of generated random values, determine whether the response received from the node matches the verification response, and output a determination result.


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