The subprocess in the Advanced Encryption Standard AES Cryptography Algorithm such as AES S-BOX and Mix Columns satisfy one of the next properties _______________.

Given: Ciphertext = EC HEX and Sub Key K1 = 10111110 

Compute the Plaintext for S-DES one round through the following main steps as below.

 Find out O/PS of:  IP – E/P – XOR1 – Plaintext

 Hint:

- IP = 26314857

- P10 = 35274101986

- E/P = 41232341 

- P8  = 637485109

- P4  = 2431

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Given the following data of AES Cryptography Algorithm:

Plaintext in text: Two One Nine Two

Plaintext  in HEX (16 ASCII characters, 1 byte each):

 54 77  6F  20  4F  6E  65  20  4E  69  6E  65  20  54  77   6F

AES Subkey  in Hex (128 bits):  54 68 61 74 73 20 6D 79 20 4B 75 6E 67 20 46 75

AES Subkey  in Hex (128 bits):  E2 32 FC F1 91 12 91 88 B1 59 E4 E6 D6 79 A2 93

Question: Step1 Complete the computation of the State Matrix  ?

Choose:  (B)   (D)

Given: Plaintext = 6C HEX and Sub Key K1 = BE HEX

Compute the ciphertext for S-DES one round through the following main steps as below.

 Find out O/PS of:  IP – E/P – XOR1 – Ciphertext

 Hint:

- IP = 26314857

- P10 = 35274101986

- E/P = 41232341 

- P8  = 637485109

- P4  = 2431

- 

Given: Plaintext = 6C HEX and Sub Key K1 = BE HEX

Compute the ciphertext for S-DES one round through the following main steps as below.

 Find out O/PS of:  IP – E/P – XOR1 – Ciphertext

 Hint:

- IP = 26314857

- P10 = 35274101986

- E/P = 41232341 

- P8  = 637485109

- P4  = 2431

-