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<h1>Using a Power Pattern to Activate the Sum of Absolute Differences Trigger</h1>
We are going to use this repeating pattern to allow the [[CW1200_ChipWhisperer-Pro]] to identify when the encryption process occurs and use this to trigger our capture process. We can then use these traces to break the AES-128 encryption exactly the same as in [[Tutorial B5 Breaking AES (Straightforward)]].