Corera, G. (2015). Intercept: The Secret History of Computers and Spies. Weidenfeld & Nicolson.
Dent, A. W., & Mitchell, C. (2005a). User’s Guide to Cryptography and Standards: Vol. Artech House computer security series. Artech House. https://ebookcentral.proquest.com/lib/rhul/detail.action?docID=227658
Dent, A. W., & Mitchell, C. J. (2005b). User’s Guide to Cryptography and Standards: Vol. Artech House computer security series. Artech House. http://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=13399215330002671&institutionId=2671&customerId=2670
Ferguson, N. (2010). Cryptography Engineering: Design Principles and Practical Applications. Wiley.
Ferguson, N. (2012). Cryptography Engineering: Design Principles and Practical Applications. Wiley. http://rhul.eblib.com/patron/FullRecord.aspx?p=661548
Levy, S. (2002). Crypto: How the Code Rebels Beat the Government, Saving Privacy in the Digital Age. Penguin.
Martin, K. M. (2017a). Everyday Cryptography: Fundamental Principles and Applications (Second edition). Oxford University Press.
Martin, K. M. (2017b). Everyday Cryptography: Fundamental Principles and Applications (Second edition). Oxford University Press. http://dx.doi.org/10.1093/oso/9780198788003.001.0001
Mel, H. X., & Burnett, D. (2001). Cryptography Decrypted. Addison-Wesley.
Piper, F. C., & Murphy, S. (2002). Cryptography: A Very Short Introduction. Oxford University Press.
Piper, F., & Murphy, S. (2002). Cryptography: A Very Short Introduction: Vol. Very short introductions. Oxford University Press. http://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=13398644790002671&institutionId=2671&customerId=2670
Schneier, B. (1996). Applied Cryptography: Protocols, Algorithms and Source Code in C (2nd ed). Wiley.
Singh, S. (2000). The Code Book: The Secret History of Codes and Codebreaking. Fourth Estate.
Stinson, D. R. (2006). Cryptography: Theory and Practice: Vol. Discrete Mathematics and Its Applications (3rd ed). Chapman & Hall/CRC.