Question

In the Key generation procedure, the Integrity Key from the server to client is represented as:

(a) HASH(K||H||”A”||session_id)

(b) HASH(K||H||”B”||session_id)

(c) HASH(K||H||”E”||session_id)

(d) HASH(K||H||”F”||session_id)

The question was posed to me in my homework.

I'm obligated to ask this question of Secure Shell(SSH) topic in chapter Internet Protocol, Network Addressing and Transport Level Security of Cryptograph & Network Security

Answer 1

Right option is (d) HASH(K||H||”F”||session_id)

Best explanation: The Initialization Vector from the server to client is given by HASH(K||H||”F”||session_id).