22.12.2016 Views

Breaking Crypto For Dummies

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The brutal way:<br />

1. Make assumptions on the<br />

internal state of the cipher<br />

2. Guess the state / edit the state<br />

3. Guessed/new state depends on<br />

key (and data)<br />

4. Measure & Calculate the key<br />

• Adjust your assumptions<br />

Grey box model – the attacker can<br />

see through the box and touch it<br />

<strong>Breaking</strong> Modern <strong>Crypto</strong>graphy

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