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It is very handy and practical to use the digital signature scheme that is shown in the scenario above as part of the network security protocol suits. But it has two very specific weaknesses that can be solved using the MAC scheme. Explain these 2 weaknesses that can be solved using the MAC scheme.

It is very handy and practical to use the digital signature scheme that is shown in the scenario above as part of the network security protocol suits. But it has two very specific weaknesses that can be solved using the MAC scheme. Explain these 2 weaknesses that can be solved using the MAC scheme.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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[Estimate time to solve this question is 5 minutes] Вов ALICE Yes Message (m) Hash Function MD Alice public-key Alice private-key Hash Same? Function MD Public-key Decryption Public-key Encryption MD E( Private-Keyalice MD) + message It is very handy and practical to use the digital signature scheme that is shown in the scenario above as part of the network security protocol suits. But it has two very specific weaknesses that can be solved using the MAC scheme. Explain these 2 weaknesses that can be solved using the MAC scheme.
Transcribed Image Text:[Estimate time to solve this question is 5 minutes] Вов ALICE Yes Message (m) Hash Function MD Alice public-key Alice private-key Hash Same? Function MD Public-key Decryption Public-key Encryption MD E( Private-Keyalice MD) + message It is very handy and practical to use the digital signature scheme that is shown in the scenario above as part of the network security protocol suits. But it has two very specific weaknesses that can be solved using the MAC scheme. Explain these 2 weaknesses that can be solved using the MAC scheme.
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