Karlheinz Hafner Hartmut C. Ritter Thomas M. Schwair Stefan Wallstab Michael Deppermann Jürgen Gessner Stefan Koesters Wolf-Dietrich Moeller Gerd Sandweg Design and Test of an Integrated Cryptochip. 6-17 1991 8 IEEE Design & Test of Computers 4 http://doi.ieeecomputersociety.org/10.1109/54.107201 db/journals/dt/dt8.html#HafnerRSWDGKMS91