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.
Patent No.:
Date of Patent:
Nov. 02, 2021
Filed:
Jun. 11, 2018
Applicant:
Fujitsu Limited, Kawasaki, JP;
Inventors:
Avradip Mandal, Sunnyvale, CA (US);
Arnab Roy, Santa Clara, CA (US);
Hart Montgomery, Redwood City, CA (US);
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/30 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 63/0442 (2013.01); H04L 9/0819 (2013.01); H04L 9/0861 (2013.01); H04L 9/3073 (2013.01); H04L 63/123 (2013.01);
Abstract
A method of transmitting a message via a blockchain network is provided. A method may include encrypting, via a first identity-based encryption (IBE) function, a message to generate a ciphertext. The method may further include transmitting the ciphertext to each node of a plurality of nodes in a blockchain network. Further, the method may include decrypting, via a second IBE function, the ciphertext at each node of the plurality of nodes in the blockchain network after at least one condition is met.