Patent · US Active

Method for the encrypted data exchange and communication system

US8707038B2 · kind B2 · utility

2Cited by

4References

23Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Michael Braun · Altensteig, DE
Anton Kargl · Birkenfeld, DE
Bernd Meyer · Munich, DE

Key dates

Filing date	Sep 24, 2007
Grant date	Apr 22, 2014
Priority date	—
Expiry date	Oct 22, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2209/805
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

The embodiments relate to a method for the encrypted data exchange between subscribers of a communication system using cryptography based on elliptical curves, wherein upon a query by a first subscriber a scalar multiplication is calculated by the second subscriber, wherein merely part of the result of the scalar multiplication is returned to the first subscriber as a response. The invention relates to a communication system.

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