Assignments

For IPSec, read the following references: Tunnel mode and Transport mode

Assignment 4: due on Thursday, May 8. Here is the pdf file.

Assignment 3: due on Thursday, April 17. Here is the pdf file. For your reference, ShiftCipher.java that encodes plaintext with Caesar Cipher and ShiftDecipher.java that decodes ciphertext are provided.

Assignment 2 Question 1: The attacker would know when he succeeds. You can assume he has a blackbox to answer that question for him.

Assignment 2 Question 2: Please read the wikipedia article on CBC and CFB.

Assignment 2 Question 1: Assume that PRNG function is secure, i.e. the outputs are unpredictable. Also, assume that PRNG function is known to the attacker as well.

Assignment 2 Question 1: Assume that there is no delay in message delivery. In other words, the sending time is the same as the receiving time. Thanks to Matt W.

Assignment 2: due at 1:05pm in class on Thursday, Mar. 13. Here is the pdf file

The partner assignment for PGP exercise is here.

Assignment 1: due at 1:05pm in class on Tuesday, Feb. 26. Here is the pdf file