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If I have a 16 bytes key and I encrypt a text block (1KB) with AES, and the attacker knows half of the key (let's say the first half), how does it weakens the encryption?

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    $\begingroup$ Hint: what does the AES standard say about the bits of the key? $\endgroup$
    – Maarten Bodewes
    Aug 26, 2021 at 14:57
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    $\begingroup$ Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. $\endgroup$
    – Community Bot
    Aug 26, 2021 at 15:03

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