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→Voltage Fault Injection
===Voltage Fault Injection===
The video below shows faults being injected into the VDDCORE supply approaching the voltage fluctuation. When it lands in the correct place on top of the fluctuation the process stops. It stops because JTAG was enabled on the processor and OpenOCD was able to connect halting the glitching script.
The triggered traces jump around so much because I am triggering on the rising edge of VCC 3.3V and this rising edge varies for reasons such as the capacitance of the chipwhisperer breakout board being used and the power supply itself.
[[File:ATSAM4C32 - Oscilloscope Glitch Animation.mov|800px]]<br />
The image below shows the aggressive glitch parameters used. This value was initially guessed and worked, narrower or wider glitches were not tested.
[[File:ATSAM4C32 Glitch Z2 with cursors.png|none|thumb|612x612px|Glitch width approximately 2uS]]
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