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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 |