Network security

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Network security
B1. Assume two entities X and Y want
to make a secure communication
between them using a shared session
key Ks. Both entities X and Y expect
that their shared session key Ks to be
distributed by a KDC which uses the
Needham-Schroeder Protocol.
The entity X shares a master key with
the KDC noted Kx.
The entity Y shares a master key with
the KDC noted Ky.
Show the protocol overview and the
key distribution steps made by the
entities X and Y and the KDC to
a session key Ks between X and Y.
Transcribed Image Text:B1. Assume two entities X and Y want to make a secure communication between them using a shared session key Ks. Both entities X and Y expect that their shared session key Ks to be distributed by a KDC which uses the Needham-Schroeder Protocol. The entity X shares a master key with the KDC noted Kx. The entity Y shares a master key with the KDC noted Ky. Show the protocol overview and the key distribution steps made by the entities X and Y and the KDC to a session key Ks between X and Y.
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