HOME | TERMS | CONTACT US | SITE MAP   The National Technical Authority for Information Assurance   The Government’s Information Assurance flagship conference 14-15 Sep 2010. Public & Private Sector rates reduced. For more details see the IA10 page.   ABOUT US   PRODUCTS & SERVICES   PUBLICATIONS   POLICY & TECHNOLOGIES   FIND A ..... You are here: CESG > Publications > Historical Introduction CESG Agenda General Biometrics Mathematical Common Criteria & ITSEC Historical IA Policy & Guidance Posters Find a Publication     Historical Note on Non-Secret Encryption by C Cocks (1973)   10k Non-Secret Encryption Using a Finite Field by M Williamson (1974) 19k  © Crown Copyright, 2010. This CESG Website is maintained for your personal use and viewing. Access and use by you of this site constitutes acceptance of our terms and conditions which take effect from the date of first use. Click here for our terms and conditions CESGweb@cesg.gsi.gov.uk