Patent · US Active

Encrypted data sharing with a hierarchical key structure

US11128452B2 · kind B2 · utility

2Cited by

16References

18Claims

0Family size

Assignee

Avast Software s.r.o. · CZ

Inventors

Petr Van{hacek over (e)}k · Lišov, CZ
Jan Schwarz · Bremen, DE
Pavel Studený · Praha, CZ

Key dates

Filing date	Mar 22, 2018
Grant date	Sep 21, 2021
Priority date	—
Expiry date	Jan 5, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH04L9/3066
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A data set shared by multiple nodes is encrypted. The data set can be split into independent records. The records can be encrypted and shared independently, without the need to modify and transmit the full data set. Although the records are encrypted with their own encryption key, they are all accessible by a single authentication method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.