5. Consider the SSH specification, which can be found in RFC 4252 [331] and RFC

Question

5. Consider the SSH specification, which can be found in RFC 4252 [331] and RFC 4253 [333].

a. Which message or messages in Figure 10.1 correspond to the message or messages labeled as SSHJVISG-KEXINIT in the protocol specification?

b. Which message or messages in Figure 10.1 correspond to the message or messages labeled as SSH_MSG_NEWKEYS in the protocol specification?

c. Which message or messages in Figure 10.1 correspond to the message or messages labeled as SSH-MSGJJSERAUTH in the protocol specification?

d. In the actual SSH protocol, there are two additional messages that would come between the fourth and fifth messages in Figure 10.1. What are these messages and what purpose do they serve?

Explanation / Answer

a. Which message or messages in Figure 10.1 correspond to the message or messages labeled as SSH MSG-KEXINIT in the protocol specification?

Alice,CP,RA
CS,RB

b. Which message or messages in Figure 10.1 correspond to the message or messages labeled as SSH_MSG_NEWKEYS in the protocol specification?

gamod p

gb mod p

c. Which message or messages in Figure 10.1 correspond to the message or messages labeled as SSH-MSG-USERAUTH in the protocol specification?

Certificateb,Sb
E(Alice,CertificateA,SA,K)

d.In the actual SSH protocol, there are two additional messages that would come between the fourth and fifth messages in Figure 10.1. What are these messages and what purpose do they serve?

SSH_MSG_DISCONNECT --To Disconnec the connection at any time. this is an additional message

SSH_MSG_IGNORE--- This message is used as an advanced traffic as an analysis technique.

for further queries kindly get back

Related Questions

Navigate

• Browse (All)
• Browse 5
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.