a) Explain what message integrity is and how an electronic signature provides message integrity. B) Explain what non-repudiation is and how an electronic signature achieves non-repudiation? c) demonstrate an understanding of the process as shown on #3-20 of the lecture slides.

Electronic Signature: Using Asymmetric Key Encryption for Authentication Sender Receiver Bob Alice A Compute Message Digest signature Compute Message Digest Compute Verify Signature Signature Alice's Public Key Alice's Private Key Electronic signatures provide authentication, message integrity, and non-repudiation