Links and Books

This list contains only a small selection of sites about cryptography within the Internet.

Further links are contained within the download programs of CrypTool and within the book delivered with CrypTool. We appreciate your advice on further interesting links.


Primes, Number Theory and Cryptology (Links and Books)

Web sites (and teaching projects)



  • Craig P. Bauer: "Secret History: The Story of Cryptology", 1st edition, 2013, CRC Press.

  • Johannes Buchmann: "Introduction to Cryptography", 2nd ed, 2004, Springer.

  • Claudia Eckert: "IT-Sicherheit Konzepte - Verfahren - Protokolle", 10th edition, 2018, Oldenbourg – (German only)

  • Bernhard Esslinger et al.: "Kryptologie für Jedermann", SAP pocket seminar produced within the governmental initiative "Deutschland – Sicher im Netz", 2007 – (German only)

  • Keith M. Martin: "Everyday Cryptography – Fundamental Principles and Applications", March 2012, Oxford University Press

  • Alfred J. Menezes, Paul C. van Oorschot and Scott A. Vanstone: "Handbook of Applied Cryptography", 1997, CRC Press

  • Rolf Oppliger: "Contemporary Cryptography, Second Edition", 2011, Artech House

  • Christof Paar and Jan Pelzl: "Understanding Cryptography – A Textbook for Students and Practioners", December 2009, Springer This is pedagogically one of the best crypto books currently available. It describes all crypto schemes of practical relevance while avoiding to be shallow. The companion website has extensive PowerPoint slides for teachers, links to further information and videos of 28 lecturers (in German only).

  • Klaus Schmeh: "Kryptografie – Verfahren, Protokolle, Infrastrukturen", 6th edition, 2016, dpunkt – (German only). This is a comprehensive and easy to read book.

  • Klaus Schmeh: "Codeknacker gegen Codemacher. Die faszinierende Geschichte der Verschlüsselung", 2nd edition, 2007, W3L – (German only) This is most current among the books dealing in a comprehensive manner with the history of cryptology. It contains a small collection of solved and unsolved crypto riddles.

  • Victor Shoup: "A Computational Introduction to Number Theory and Algebra", Second Edition, 2008, Cambridge University Press

  • William Stallings: "Cryptography and Network Security", 2006, Prentice Hall

  • Mark Stamp and Richard M. Low: "Applied Cryptanalysis: Breaking Ciphers in the Real World", 2007, Wiley-Interscience The according website has a lot of powerpoint slides and challenge problems.

  • Mark Stamp: "Information Security: Principles and Practice", 2nd edition, 2011, Wiley It is a comprehensive book divided into four main themes Cryptography, Access Control, Protocols, and Software. Throughout the book the author included frequent "humorous" footnotes. The according website offers a wealth of additional, free material:

  • The CryptoBooks page offers a bibliography with more than 500 books about cryptology from the 15th century until now, presented in a very attractive GUI. From many of the old books there are high-quality photos available.


More link lists

At the bottom of the History of Cryptography page you will find links and books with a historical focus.


More information