Confidential Communication in the InternetProf. Dr. Christoph Meinel
This video belongs to the openHPI course Confidential Communication in the Internet. Do you want to see more? Enroll yourself for free!

1.5 Traditional Symmetric Proceddures

Time effort: approx. 20 minutes
You are using our new video player. If you experience any problems, please contact the helpdesk. You can always switch to the old player.

About this video


  • 2:02: The Englisch Word "Hello" encrypts to "khoor", this is a minor mistake in the slides.
  • 10:30: The cyphertext is wrong in the slides of the video, as it was - again - the translation of German words.

The slides that are available for download are corrected.