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Featured researches published by Karlheinz Hafner.


IEEE Design & Test of Computers | 1991

Design and test of an integrated cryptochip

Karlheinz Hafner; Hartmut Ritter; Thomas M. Schwair; Stefan Wallstab; Michael Dipl.-Math. Deppermann; Jürgen Gessner; Stefan Koesters; Wolf-Dietrich Moeller; Gerd Sandweg

A self-testing cryptographic coprocessing chip that provides high security for any data protected through its use is described. The design philosophy and chip architecture are examined. Detailed design and test methods and solutions are given, and it is explained why the chips design interacts well in networks and with secure hard disks.<<ETX>>


design automation conference | 1988

SMART: tools and methods for synthesis of VLSI chips with processor architecture

Thomas Bergstraesser; Jürgen Gessner; Karlheinz Hafner; Stefan Wallstab

A design environment supporting processor synthesis in data-path style is presented. The programming model of a processor described in Common Lisp is transformed into a hardware structure by tools integrated into this environment. The generation of alternative designs is supported by the interactive graphical manipulation of behaviour and hardware structure representations and their correspondences. The synthesis procedure is explained using an example.<<ETX>>


automation, robotics and control systems | 1988

Eine flexible Entwurfsumgebung für RISC-änliche Prozessorarchitekturen

Thomas Bergstraesser; Jürgen Gessner; Karlheinz Hafner; Stefan Wallstab

Beim Entwurf von Rechensystemen setzt sich der Trend zum Einsatz anwendungsspezifischer integrierter Schaltungen (ASICs) durch. Handelt es sich bei diesen um Prozessoren, findet mehr und mehr der RISC-Entwurfsstil Anwendung, der einen fur das jeweilige Anwendungsgebiet masgeschneiderten, moglichst einfachen Befehlssatz nahelegt.


Archive | 1999

Remote control equipment for use with a telecommunication network

Karlheinz Hafner; Ansgar Tröster; Jörn Watzke


Archive | 1997

Portable data carrier configuration to be operated on a data bus and data processing system having at least one portable data carrier configuration

Karlheinz Hafner; Sönke Mehrgardt


Archive | 1997

Data carrier card, assembly of at least two data carrier cards and method of accessing at least one of the data carrier cards

Karlheinz Hafner; Sönke Mehrgardt


Archive | 2001

Terminal de telecommunication et procede pour envoyer un message configurable

Jörg Bruchertseifer; Karlheinz Hafner; Rainer Krombach; Helmut Lucassen; De Logt Marco Van; Jörn Watzke


Archive | 2001

Telekommunikationsendgerät und verfahren zum aussenden einer konfigurierbaren nachricht

Joerg Bruchertseifer; Karlheinz Hafner; Rainer Krombach; Helmut Lucassen; De Logt Marco Van; Joern Watzke


Archive | 2001

Telecommunications terminal for logging transactions

Jörg Bruchertseifer; Karlheinz Hafner; Helmut Lucassen; De Logt Marco Van; Jörn Watzke


Archive | 2000

Communications interface with graphically oriented areas

Karlheinz Hafner; Karl-Ulrich Stein; Ansgar Tröster; Jörn Watzke

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