Crowbar Glitching

Voltage glitching varies the device voltage during execution, causing instructions to be skipped, incorrect data to be used/stored, or instructions to be mutated.

The ChipWhisperer uses a simple "crowbar" method that can be applied on both low-power and high-power targets.

This method has a crowbar which shorts the power to the target device. This works on both our own targets, as well as in-circuit targets.

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