Question: This assignment contains three problems: Problem 1 involves the implementation of four cryptographic programs, used for hashing, message authentication and authenticated encryption (AE) and decryption.

This assignment contains three problems:

Problem 1 involves the implementation of four cryptographic programs, used for hashing,

message authentication and authenticated encryption (AE) and decryption.

Problem 2 involves the conception and implementation of a new function on a 2-3-4 tree

(introduced in workshop 9).

Problem 3 involves answering a number of theory questions in di?erent situations.

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