Ford, Warwick. Computer Communications Security: Principles, Standards Protocols and Techniques. Englewood Cliffs, N.J.: PTR Prentice Hall, 1994. Print.
Gollmann, Dieter. Computer Security. 3rd Edition. Chichester: Wiley, 2011. Web. <http://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=13399207160002671&institutionId=2671&customerId=2670>.
---. Computer Security. 3rd ed. Chichester: Wiley Textbooks, 2011. Web. <http://ebookcentral.proquest.com/lib/rhul/detail.action?docID=819182>.
Markantonakis, Konstantinos, and Keith E. Mayes. Secure Smart Embedded Devices, Platforms and Applications. New York: Springer, 2014. Web. <http://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=13404624210002671&institutionId=2671&customerId=2670>.
---. Secure Smart Embedded Devices, Platforms and Applications. N.p., 2014. Web. <https://ebookcentral.proquest.com/lib/rhul/detail.action?docID=1466719>.
Martin, Keith M. Everyday Cryptography: Fundamental Principles and Applications. 2nd Edition. Oxford: Oxford University Press, 2017. Print.
---. Everyday Cryptography: Fundamental Principles and Applications. Second edition. Oxford: Oxford University Press, 2017. Web. <http://dx.doi.org/10.1093/oso/9780198788003.001.0001>.
Pfleeger et al, Charles P. Security in Computing. 5th Edition. Upper Saddle River, NJ: Prentice Hall, 2015. Print.