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Question

The last two blocks of the XTS-AES mode are

a.

padded as 10*

b.

encrypted/ decrypted using ciphertext-stealing

c.

padded as 10*1

d.

padded and then swapped after encryption/ decryption

Answer: (b).encrypted/ decrypted using ciphertext-stealing

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Q. The last two blocks of the XTS-AES mode are

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