CIS5371: Cryptography, Spring 2018

 

Announcements
   
4/19:   Scribe 3 is updated, regarding the way we recover the second last byte of the first block. Deadline of Hw5 is extended to Sunday 4/22.

            Hw5 is up. Here are some examle code for how to interacting with the servers: client.py, connect.py, connect.c

           If you want to recall the details of the padding-oracle attacks, see Scribe 3.
     

Course information

• Lectures to date - grow with each class.
• Course information sheet. Please read it -  you are responsible for everything on it.
• Instructor: Viet Tung Hoang (Tung). Office 261 Love Building. Office hours: Tuesday and Thursday (12:30 pm - 1:30 pm).

Resources

• Bellare-Rogaway notes
• Some mathematical background, from a chapter in the book "Handbook of Applied Cryptography". 
• A sample Latex file: sample.tex, and the pdf file sample.pdf that it yields, by Phil Rogaway.
  

 
Homework

• Homework 1
• Homework 2
• Homework 3
• Homework 4
• Homework 5, with example code client.py, connect.py, connect.c

Supplementary Exercises

• Exercise 1
• Exercise 2
  

Slides and scribes

• Logistics
• Lecture 0: Some odd problems in crypto. 
• Lecture 1: Introduction
• Lecture 2: Blockcipher
• Lecture 3: Pseudorandom functions
• Scribe 1:  Hybrid Arguments
• Lecture 4: Symmetric Encryption
• Lecture 5: MAC
• Lecture 6: Authenticated Encryption
• Scribe 2: Game-based proofs
• Scribe 3: Padding-oracle attacks
• Scribe 4: Carter-Wegman and AU hash
• Lecture 7: Intro to Asymmetric Crypto
• Lecture 8: Public-Key Encryption
• Lecture 9: Digital Signature
• Lecture 10: Cryptographic Hash

         

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Last updated: 4/19/2017