Chris J MitchellChris J. Mitchell has worked on cryptography and its applications for nearly 25 years, after completing a PhD in mathematics at the University of London. From 1979 to 1990 he worked within industrial R&D and research environments, for Racal Electronis and then Hewlett-Packard, specialising in cryptographic and security systems. He has been a Professor of Computer Science at Royal Holloway, University of London since 1990, specialising in Information Security. He has published over 150 papers, and edited four books and six international standards. Read More Read Less