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:
Jan. 07, 2025

Filed:

Feb. 24, 2023
Applicant:

Nchain Licensing Ag, Zug, CH;

Inventors:

Giuseppe Destefanis, London, GB;

Simone Madeo, London, GB;

Patrick Motylinski, London, GB;

Stephane Vincent, Luxembourg, LU;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/06 (2006.01); H04L 9/30 (2006.01); H04L 9/00 (2022.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0861 (2013.01); H04L 9/0637 (2013.01); H04L 9/0643 (2013.01); H04L 9/0816 (2013.01); H04L 9/0825 (2013.01); H04L 9/3066 (2013.01); H04L 9/3073 (2013.01); H04L 9/3239 (2013.01); H04L 9/50 (2022.05); H04L 2209/56 (2013.01);
Abstract

Methods and devices that manage the secure distribution of credentials from a group of autonomous specialized nodes to a requesting node. The secure distribution of credentials may uses secret share and a group private key that none of the nodes reconstructs or possesses. The credentials include an identifier for the requesting node and a secret point that the node assembles from portions of the secret point provided by each of a plurality of the specialized nodes, where the secret point is based on the group private key and a map-to-point hash of the requesting node's identifier.


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