Antoon Bosselaers Research Applied Cryptography Email antoon.bosselaers@esat.kuleven.ac.be Tel +32 16 32 18 07 Fax + 32 16 32 19 69 Faculty of Engineering Department of electrical enginnering, ESAT/COSIC Kasteelpark Arenberg 10B/3001 Heverlee (Belgium) ANTOON BOSSELAERS RESEARCH APPLIED CRYPTOGRAPHY EMAIL ANTOON.BOSSELAERS@ESAT.KULEVEN.AC.BE TEL +32 16 32 18 07 FAX + 32 16 32 19 69 FACULTY OF ENGINEERING DEPARTMENT OF ELECTRICAL ENGINNERING, ESAT/COSIC KASTEELPARK ARENBERG 10B/3001 HEVERLEE (BELGIUM)