• +1-617-874-1011 (US)  
  • +44-117-230-1145 (UK)  
Online Customer Service
Follow Us:

Microsoft Word

Your answer to each question should:

  • Not exceed one (1) page in length
  • Use 12 pt Times Roman font
  • Use left justification
  • Use single line spacing with no more than 6pt line space

Your submitted paper should:

  • Not include a title page
  • Set margins: Left = 1”, right = 1”, top = 1” and bottom = 1”
  • Include your name in the header and a page number in the footer
  • Use an additional page for the bibliography, if needed
  • Include citations at the sentence level

Use Microsoft Word format

Question 1

Suppose you changed the protocol in Kaufman & Perlman §20.8.2 Plausible Deniability Based on Public Key Technology so Alice first signs S, and then encrypts with Bob’s public key. So, instead of sending [{S}Bob]Alice to Bob, she sends {[S]Alice}Bob. Written in the syntax of the textbook:

message M sent to Bob = (M, MAC<M, S>, {[ S ]Alice}Bob)

Does this work? (i.e., can Bob be sure that the message came from Alice, but not be able to prove it to a third party?) Your response needs to include a justification with citations.

Question 2

Consider the following format for Alice sending signed, encrypted email to Bob:

Alice invents a secret key S and sends {S}Bob, the message encrypted with S, and the message digest of the message signed by Alice. Is this secure?  Your response needs to include a justification with citations. (Hint: Alice only signs the message digest. You may want to breakdown the information the question provides into the syntax of the textbook and compare the results with known methods.)

Download Sample Now

Earn back money you have spent on downloaded sample



Upload Document Document Unser Evaluion Get Money Into Your Wallet



Cite This work.

To export a reference to this article please select a referencing stye below.

Urgent Homework (2021) . Retrive from http://www.urgenthomework.com/sample-homework/microsoft-word

"." Urgent Homework ,2021, http://www.urgenthomework.com/sample-homework/microsoft-word

Urgent Homework (2021) . Available from: http://www.urgenthomework.com/sample-homework/microsoft-word

[Accessed 14/04/2021].

Urgent Homework . ''(Urgent Homework ,2021) http://www.urgenthomework.com/sample-homework/microsoft-word accessed 14/04/2021.


Want a fresh copy of this Assignment

Resources

  • 24 x 7 Availability.
  • Trained and Certified Experts.
  • Deadline Guaranteed.
  • Plagiarism Free.
  • Privacy Guaranteed.
  • Free download.
  • Online help for all project.
  • Homework Help Services
Tap to Chat
Get Instant Assignment Help
Tap to Chat
Get Instant Assignment Help