Maurice Tutor

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About Maurice Tutor

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 407 Weeks Ago, 6 Days Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 08 Jan 2018 My Price 9.00

TOR-like service

Suppose Alice wants to visit the Web site activist.com using a TOR-like service. This service uses two non-colluding proxy servers, Proxy1 and Proxy2. Alice first obtains the certificates (each containing a public key) for Proxy1 and Proxy2 from some central server. Denote K1+( ), K2+( ), K1 –( ), and K2 –( ), for the encryption/decryption with public and private RSA keys

a. Using a timing diagram, provide a protocol (as simple as possible) that enables Alice to establish a shared session key S1 with Proxy1. Denote S1(m) for encryption/decryption of data m with the shared key S1

b. Using a timing diagram, provide a protocol (as simple as possible) that allows Alice to establish a shared session key S2 with Proxy2 without revealing her IP address to Proxy2.

c. Assume now that shared keys S1 and S2 are now established. Using a timing diagram, provide a protocol (as simple as possible and not using public-key cryptography) that allows Alice to request an html page from activist.com without revealing her IP address to Proxy2 and without revealing to Proxy1 which site she is visiting. Your diagram should end with an HTTP request arriving at activist.com.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 08 Jan 2018 02:01 PM My Price 9.00

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