EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Chapter 8, Problem R16RQ
Program Plan Intro
Replay Attack:
A type of network attack in which an attacker detects a data transmission and fraudulently has it delayed or repeated is known as replay attack.
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Design a security protocol that will allow a Mutually Agreed Session key (Kabc) to be established between three entities A, B and C. This key can then be used to secure a chat between the three entities.
I want you to develop your own design based on the conditions below.Note: The session key should NOT be known to the Chat Server (S) and the Chat Server (S) can only forward the encrypted messages to A, B and C and S cannot read the messages.
The secure chat between entities A, B and C must use the Chat Server (S) and session key Kabc as below: (refer image)i.e. A, B and C Do NOT communicate directly.
The following conditions apply to your protocol design.1. A, B and C Never communicate directly.
2. Each entity (A, B, C and S) have a Public Key Certificate, ie. CA<<A>>, CA<<B>>, CA<<C>> and CA<<S>>.
3. The Chat Server, S, has access to all Entity Certificates that use its service and can provide these Certificate to its service users if…
Design a key establishment protocol that will allow a Mutually Agreed Session key (Kabc) to be established between
three entities A, B and C. This key can then be used to secure a chat between the three entities. I want you to develop your own design based on the conditions below.
Note: The session key should NOT be known to the Chat Server (S) and the Chat Server (S) can only forward the encrypted messages to A, B and C and S cannot read the messages,i.e. End to end encryption/privacy is to be used between the chat parties A, B and C.
The secure chat between entities A, B and C must use the Chat Server (S) and session key Kabc as below: i.e. A, B and C Do NOT communicate directly and must exchange messages through the Server S.
The following conditions apply to your protocol design.
1. A, B and C Never communicate directly.
Each entity (A, B, C and S) have a Public Key Certificate, ie. CA<<A>>, CA<<B>>, CA<<C>> and CA<<S>>.…
Explain the significance of a cipher suite in SSL/TLS protocols.
Chapter 8 Solutions
EBK COMPUTER NETWORKING
Ch. 8 - Prob. R1RQCh. 8 - Prob. R2RQCh. 8 - Prob. R3RQCh. 8 - Prob. R4RQCh. 8 - Prob. R5RQCh. 8 - Prob. R6RQCh. 8 - Prob. R7RQCh. 8 - Prob. R8RQCh. 8 - Prob. R9RQCh. 8 - Prob. R10RQ
Ch. 8 - Prob. R11RQCh. 8 - Prob. R12RQCh. 8 - Prob. R13RQCh. 8 - Prob. R14RQCh. 8 - Prob. R15RQCh. 8 - Prob. R16RQCh. 8 - Prob. R17RQCh. 8 - Prob. R18RQCh. 8 - Prob. R19RQCh. 8 - Prob. R20RQCh. 8 - Prob. R21RQCh. 8 - Prob. R22RQCh. 8 - Prob. R23RQCh. 8 - Prob. R24RQCh. 8 - Prob. R25RQCh. 8 - Prob. R26RQCh. 8 - Prob. R27RQCh. 8 - Prob. R28RQCh. 8 - Prob. R29RQCh. 8 - Prob. R30RQCh. 8 - Prob. R31RQCh. 8 - Prob. R32RQCh. 8 - Prob. R33RQCh. 8 - Prob. P1PCh. 8 - Prob. P2PCh. 8 - Prob. P3PCh. 8 - Prob. P4PCh. 8 - Prob. P5PCh. 8 - Prob. P6PCh. 8 - Prob. P8PCh. 8 - Prob. P12PCh. 8 - Prob. P13PCh. 8 - Prob. P14PCh. 8 - Prob. P18PCh. 8 - Prob. P20PCh. 8 - Prob. P21PCh. 8 - Prob. P22PCh. 8 - Prob. P23P
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- Explain the significance of "handshaking" protocols at the "Session Layer".arrow_forwardAcknowledgements are one of the methods present in transport layer protocols (such as the RDT 2.0 protocol that we covered before). What happens if an acknowledgment is tainted in any way? What procedure is in place to deal with this?arrow_forwardFor the SSH protocol, Client generates a random session key which is encrypted and sent to server. Question 6 options: True Falsearrow_forward
- When a web client attempts to get access to protected resources hosted by a web server, it is important to demonstrate the step-by-step implementation of native authentication and authorization services. What are the two most persuasive arguments in favor of layered protocols and why should they be used? You need to provide specific examples to back up your point.arrow_forwardKeep in mind that the TCP/IP protocol suite's reassembly and reordering of packets happens during the transport phase. Some firewalls are designed to function just at the Internet or data layer level of abstraction. Without the proper sequence or the absence of a deleted packet, a stateful inspection firewall cannot make any inferences about the traffic being inspected.arrow_forwardOne of the techniques used in transport layer protocols is the receipt of acknowledgements (such as the RDT 2.0 protocol that we covered before). Is it possible for an acknowledgement to be contaminated in any way? What process has been put in place to deal with this situation?arrow_forward
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