BTI 4202, FS 2024

General information

Diese Seite ist nur für die von mir im Kurs BTI 4202 gehaltenen Vorlesungen.
Bei Fragen können Sie mich gerne jederzeit kontaktieren: Christian Grothoff, in Biel, Höheweg 80, Raum N.474.

Content

The lecture will cover the following topics:

• Introductory overview on IT security
• Discussion of selected vulnerabilities and attacks on cryptosystems and real-world deployments
• Certificates, especially X.509
• Centralized and decentralized Public key infrastructures
• Security in distributed systems
• Secure channels: TLS, forward secrecy, future secrecy, repudiation
• Blind signatures
• Anonymity and anonymous digital cash

26.4.2024: Certificates and trust (X.509)

Materials

• Slides

Further reading

• MD5 considered harmful today

3.5.2024: Centralized public-key infrastructures

Materials

• Folien

10.5.2024: Auffahrt

No lecture.

17.5.2024: Secure messaging and channels

Preparation

• Intercepting Mobile Communications: The Insecurity of 802.11

Materials

• Slides

Further reading

• Mailto Me Your Secrets
• How is SSL hopelessly broken? Let us count the ways

24.5.2024: Decentralized public-key infrastructures

Materials

• Slides

Further reading

• LSD 0001
• LSD 0003
• HACIENDA
• Treasure Map
• Stellar

31.5.2024: Anonymity

Materials

• Slides

Exercises

• Anonymity exercise

Further reading

• Attacks on Tor
• Panoramix

31.5.2024: Blind Signatures

Materials

• Slides

Exercises

• Blind Signatures exercise
• rsa.py

Further reading

• IETF PrivacyPass WG
• Adding Schnorr's Blind Signature in Taler

7.6.2024: GNU Taler

Materials

• Folien

Further reading

• taler.net
• age restrictions

Slides

• Slides

Further reading

• A Thorough Introduction to Distributed Systems

14.6.2024: BFH Finaltag

No lecture.