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Atmel SAM4C32 Glitching more in-depth.
:::;- [https://github.com/newaetech/chipwhisperer ChipWhisperer]
:::;- [https://github.com/newaetech/chipshouter-picoemp PicoEMP]
======Atmel SAM4C32 Glitching (Crowbar Circuit)======
Atmel SAM4C32 reset low period during early start-up process somewhere in the bootloader showing vurnable time for glitch.<br>
After glitching the chip, JTAG comes online serving a command prompt which allows to dump the firmware of the chip protected by Atmel's Security Bit Feature called GPNVM.<br>
[[File:Atmel SAM4 series glitch.png|none|thumb|Atmel SAM4C32 glitching. Yellow VDDCORE, Purple RST..]]
Credits to [https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-security/ 0x01 Team] and RECESSIM for finding the reset low period being connected to the glitch timebase.
====Debugging Tools====
