Patent · US Active

Computing key rotation period for block cipher-based encryption schemes system and method

US11818263B2 · kind B2 · utility

0Cited by

1References

15Claims

0Family size

Assignee

Visa International Service Association · US

Inventors

Atul Luykx · San Francisco, US
Wei-Jin Dai · Village of La Jolla, US

Key dates

Filing date	Oct 25, 2019
Grant date	Nov 14, 2023
Priority date	—
Expiry date	Jul 26, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH04L9/0861
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method including obtaining, by a key management computer, a key rotation period based on at least an adversarial storage limit. The key management computer can then generate a first cryptographic key. The key management computer can then generate a second cryptographic key to replace the first cryptographic key according to the key rotation period.

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