Patent · US Active

Multiprocessor electronic circuit including a plurality of processors and electronic data processing system

US8135960B2 · kind B2 · utility

3Cited by

2References

8Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Thomas Koehler · Holzgerlingen, DE
Thomas Fuchs · Bietigheim-Bissingen, DE
Ulrich Mayer · Weißenhorn, DE
Chung-Lung K. Shum · Wappingers Falls, US
Scott Barnett Swaney · Catskill, US

Key dates

Filing date	Oct 9, 2008
Grant date	Mar 13, 2012
Priority date	—
Expiry date	Feb 19, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG06F21/72
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A multiprocessor electronic circuit and an electronic data processing system comprising such circuit are disclosed for reducing the power consumption and the chip area consumption of a multiprocessor system having cryptographic functionality. In one embodiment, the multiprocessor electronic circuit comprises a plurality of processors, a single cryptographic processing unit that comprises a plurality of input/output buffer pairs and two cryptographic engines, a cipher engine and a hash engine, and associated control logic.

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