```
K = 1011 0101 1100 0101 1001 1110 1011 0010
```

What would be the encryption of the plaintext
```
x = 0010 0110 1011 0111
```

using this key? Please show ALL your intermediate results (i.e. w, u,
and v at each level). You may compute the encryption by hand or write
an implementation.

Use the palintext given in exercise 3.6 and compute only the beginning of encryption of this text with AES: perform AddRoundKey, SubBytes, and ShiftRows (since we didn't talk about the exact algorithm for MixColumns, you don't need to perform that step).

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