Question: Introduction to Cryptography Question 1. (10 points) Please define the syntax and security for message authentication code (MAC) 2. (10 points) Please construct a secure

Introduction to Cryptography Question

Introduction to Cryptography Question 1. (10 points) Please define the syntax and

1. (10 points) Please define the syntax and security for message authentication code (MAC) 2. (10 points) Please construct a secure MAC scheme by using PRF 3. (20 points) Please prove the security of the MAC scheme you constructed in the previous item. You are expected to provide a rigorous security proof

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