MCQOPTIONS
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MCQOPTIONS
| 1. |
In AES, to make the s-box, we apply the transformation b i = bi XOR b(i+4) XOR b(i+5) XOR b(i+6) XOR b(i+7) XOR ci |
| A. | nWhat is ci in this transformation? |
| B. | ci is the ith bit of byte c with value 0x63 |
| C. | ci is the ith bit of byte c with value 0x25 |
| D. | ci is the ith bit of byte c with value 0x8F |
| E. | ci is the ith bit of byte c with value 0x8A |
| Answer» B. ci is the ith bit of byte c with value 0x63 | |