What happens if an attacker attempts to alter the Tag (the MAC) and the ciphertext in transit while using a MAC (message authentication code)? Explain why this attack would always fail since the recipient will be able to identify a changed Tag/ciphertext.

LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.
5th Edition
ISBN:9781337569798
Author:ECKERT
Publisher:ECKERT
Chapter12: Network Configuration
Section: Chapter Questions
Problem 10RQ
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What happens if an attacker attempts to alter the Tag (the MAC) and the ciphertext in transit while using a MAC
(message authentication code)? Explain why this attack would always fail since the recipient will be able to
identify a changed Tag/ciphertext.
Transcribed Image Text:What happens if an attacker attempts to alter the Tag (the MAC) and the ciphertext in transit while using a MAC (message authentication code)? Explain why this attack would always fail since the recipient will be able to identify a changed Tag/ciphertext.
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