Supertech has produced a 10 exabyte hard drive. To support the larger capacity, they had to change the sector size to 4096 bytes. Design a counter layout like that shown in Figure 9.16 to support Counter mode encryption on this drive.

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Random source 72-bit Nonce Volume's Key 72-bit Nonce Plaintext Data Block 51-bit Sector Number AES Key Encrypt Store the nonce with the volume's encryption key Data ← Figure 9.16 Encrypting disk data with AES and Counter mode. S-bit Block Offset Encrypted Data Block Random source 72-bit Nonce Volume's Key 72-bit Nonce Plaintext Data Block 51-bit Sector Number AES Key Encrypt Store the nonce with the volume's encryption key Data ← Figure 9.16 Encrypting disk data with AES and Counter mode. S-bit Block Offset Encrypted Data Block

Answer rating: 100% (QA)

The layout of the counter would be as follows Random Source 72 bit non ce a random or nonrepeating value that is included into the data shared by a protocol often to ensure that only live dataand not ... View the full answer