When a hash function is used to provide message authentication, the hash function value is referred to as
(a) Message Field
(b) Message Digest
(c) Message Score
(d) Message Leap
I have been asked this question by my school teacher while I was bunking the class.
I'm obligated to ask this question of Hash Functions and Its Applications topic in chapter Other Public Key Cryptosystems and Cryptographic Hash Functions of Cryptograph & Network Security