An active attacker changes the ciphertext which was made using the AES cipher algorithm. Which message properties are preserved even though that change was made. Choose on of the below:
1) Integrity of the message. 2) Confidentiality of the message. 3) Confidentiality and integrity of the message. 4) Nothing of the above.
I know that AES uses block encryption, so if we change a random byte in the original message the whole block will decrypt incorrectly, so I would go with confidentiality.
Am I right?
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