Question

The supplicant creates a message digest by ________. adding the password to the challenge message and hashing the two hashing the plaintext message encrypting the message digest with its own private key none of the above.

Answer 1

The supplicant creates a message digest by hashing the plaintext message.
The verb to hash basically means to chop, meaning that you make something large into a smaller version. So, if you want to digest a message, meaning to shorten it, to summarize it, you will have to hash, or shorten the plaintext message.