3. [16 marks] Professor Parampalli generated two pairs of RSA keys for his tutors, using a...
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3. [16 marks] Professor Parampalli generated two pairs of RSA keys for his tutors, using a pair of p and q. The chosen public component e and e2 are different prime numbers. Both p and q are very large prime numbers and were destroyed immediately after generating the following keys: Jaiden: , < n, d > Jiajia: , < n, d> Answer the following questions with detailed process and/or justification. (a) Lianglu wants to send a confidential message M to both Jaiden and Jiajia, so he calculates and then sends C = Me mod n and C = Me2 mod n. Explain how you may recover this message without knowing Jaiden's or Jiajia's private key. (b) Outline a strategy that may help Jiajia recover Jaiden's private key. 3. [16 marks] Professor Parampalli generated two pairs of RSA keys for his tutors, using a pair of p and q. The chosen public component e and e2 are different prime numbers. Both p and q are very large prime numbers and were destroyed immediately after generating the following keys: Jaiden: , < n, d > Jiajia: , < n, d> Answer the following questions with detailed process and/or justification. (a) Lianglu wants to send a confidential message M to both Jaiden and Jiajia, so he calculates and then sends C = Me mod n and C = Me2 mod n. Explain how you may recover this message without knowing Jaiden's or Jiajia's private key. (b) Outline a strategy that may help Jiajia recover Jaiden's private key.
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Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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