Discuss the trustworthiness of root certificates provided by browsers

Management Of Information Security
6th Edition
ISBN:9781337405713
Author:WHITMAN, Michael.
Publisher:WHITMAN, Michael.
Chapter12: Protection Mechanisms
Section: Chapter Questions
Problem 3E
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  1. Discuss the trustworthiness of root certificates provided by browsers
  2. We have two users Hazem and Tamer, Hazem generates a random stream of bits using a random bit generator software and XORs bits with his key then send the results bits to Tamer over the network. Tamer XORs the received bits with his key (which suppose the same as Hazem’s key) and reply to Hazem with the results bits. Hazem compares the received bits from tamer with the original random bits. the comparison process to check whether the keys at the two sites are the same.as you noted in the previous protocol no keys are exchanged over network between Hazem and Tamer
    • prove with details the steps that the values of the keys are the same at both users

 

  • show by steps how can the opponent attack this schema to know the shared secret key

 

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