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