CS-458: Introduction to Cryptography

Student Assignments:

Assignment	Topic	Publish	Due
Assignment 1	Classical cryptography Caesar’s cipher: Encryption, Decryption, Cryptanalysis Vigenère’s cipher: Encryption, Decryption, Cryptanalysis One-time pad: Encryption, Decryption, Cryptanalysis	18/10/2022	5/11/2022
Assignment 2	Symmetric cryptography Basic functionality ECB: Integrity issues CBC: Padding CTR: Reuse key and nonce CBC vs CTR: Changes in ciphertext CTR: Integrity issues Time based randomness	15/11/2022	9/12/2022
Assignment 3	Public key cryptography Plain RSA implementation RSA deterministic outputs: Brute-forcing RSA Chosen ciphertext attack Common modulus attack RSA with padding RSA benchmark Hash algorithm avalanche property Brute-forcing hashed passwords Hashing in Proof-of-Work schemes	23/12/2022	27/1/2023
CTF	Cryptohack	28/1/2023	29/1/2023