Organization

News:

The lecture is organized via Olat.
Olat-Link: https://olat.vcrp.de/url/RepositoryEntry/4340580366
Olat-Password: integer

Lecture:

Videos of the lecture will be uploaded in the Olat. It is ecpected to use the videos to prepare for the presence lecture. Every two weeks the presence lecture will take place in 48-210.

Exercises:

Exercise-sheets will be uploaded in the Olat.

Exam:

TBA

Contact:

Prof. Dr.-Ing. Jens Schmitt
M.Sc. Eric Jedermann
or follow us on Twitter

Course Overview

This course gives an introduction to secure communication in computer networks. Topics covered in this lecture include:

  • history of secure communication
  • symmetric cryptography: DES, 3DES, AES
  • asymmetric cryptography: RSA, Diffie-Hellman, El Gamal
  • hash functions: MD5, SHA1, SHA2, SHA3
  • cryptographic protocols: Secret Sharing, Needham-Schroeder, Kerberos, X.509
  • other security relevant topics: random number generation, birthday problem

 

Material/Literature

  • The nice and comprehensive Handbook of Applied Cryptography by Menezes, van Oorschot and Vanstone is available online for free and can be found here.
  • An extra course about cryptography can be found here.
  • A illustrative video about the discrete logarithm problem.
  • ECC Visualization (java)
  • An example of differential Cryptanalysis can be found here.
  • An example of a MD5-collistion with two images can be found here.

 

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