Message Authentication Code (MAC) is a cryptographic checksum and is a function (A) One-to-one (B) One-to-many Many-to-one Many-to-many Bob need to understand how digital signatures are generated and verified therefore place the following four items in the proper Order: 1. Encrypt the digest with your private key 2. Compare the message digest to one you created 3. Generate a message digest. 4. Decrypt the signature with the sender's public key, 5. Attach the signature and sender's public key to message then send A 4,2,1,3,5 5 B) 3, 2, 1,4,5 3,1,5,4,2 D 3,5, 4, 1,2