31 Fiskiran, Murat Lee, Ruby B. 2004 PAX: A Datapath-Scalable Minimalist Cryptographic Processor for Mobile Devices Nadia Nedjah Luiza de Macedo Mourelle Book chapter in Nadia Nedjah and Luiza de Macedo Mourelle eds., Embedded Cryptographic Hardware: Design and Security New York Nova Science Publisher, ISBN: 1-59454-145-0, Chapter 2 19-34 https://www.novapublishers.com/catalog/product_info.php?products_id=270