Robust Object Watermarking: Application to Code. - Julien P. Stern; Gaël Hachez; François Koeune; Jean-Jacques Quisquater (Information Hiding, 1999)

Biometrics, Access Control, Smart Cards: A not so Simple Combination. - Gaël Hachez; François Koeune; Jean-Jacques Quisquater (CARDIS, 2000)

Montgomery Exponentiation with no Final Subtractions: Improved Results. - Gaël Hachez; Jean-Jacques Quisquater (CHES, 2000)

Towards a Practical Secure Framework for Mobile Code Commerce. - Gaël Hachez; Laurent Den Hollander; Mehrdad Jalali; Jean-Jacques Quisquater; Christophe Vasserot (ISW, 2000)

Which directions for asymmetric watermarking? - Gaël Hachez; Jean-Jacques Quisquater (EUSIPCO, 2002)

A comparative study of software protection tools suited for E-commerce with contributions to software watermarking and smart cards. - Gaël Hachez (2003)