Patent · US Active

White-box ECC implementation

US11888984B2 · kind B2 · utility

0Cited by

0References

11Claims

0Family size

Assignee

GIESECKE+DEVRIENT MOBILE SECURITY GMBH · DE

Inventor

Markus Bockes · Munich, DE

Key dates

Filing date	Mar 17, 2020
Grant date	Jan 30, 2024
Priority date	—
Expiry date	Aug 28, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2209/16
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A microprocessor device comprising an implementation of a cryptographic operation constructed to process parameters and generate an output, wherein at least some of the parameters are obfuscated such that the cryptographic operation processes the obfuscated parameters, wherein the parameters which are obfuscated are obfuscated in that they are encrypted according to an additive homomorphic cryptographic system.

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