Answered: The following diagram describes a…

New Perspectives on HTML5, CSS3, and JavaScript

6th Edition

ISBN:9781305503922

Author:Patrick M. Carey

Publisher:Patrick M. Carey

Chapter13: Programming For Web Forms: Creatings Forms For Orders And Pa

Section13.2: Visual Overview: Passing Data Between Forms

Problem 3QC

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The following diagram describes a secure communication between a sender and a receiver; answer the following questions based on the diagram.

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a. Who is the owner of the keys involved in this scheme?

b. What are the security objectives (CIA) fulfilled by the above scheme, justify your choices?

c. If the receiver wants to respond to the sender, what key should he use to send a ciphertext response?

d. Does the sender give proof of evidence of his identity to the receiver using this scheme?

e. In case, in the above give scheme, if the secret key is used for encryption and the public key for decryption, what will be the security objective?

Public
Different Keys
Secret
Key
Key
A4$h*L@9.
T6=#/>B#1
Encryption
Decryption
R06/J2.>1L
1PRL39P20
Plain Text
Cipher Text
Plain Text

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