# NRF52 hack ---  ---  ---  ---  --- 是 **NRF**！，開心 型號 NRF5283 --- ## 什麼是 NRF ### NordicSemi.com ---  ---  ---  --- ## Reverse engineering ## Dump firmware ---  ---  ---  ---  ---  ---  --- ## Code Readout Protection ---  ---  ---  ---  --- ## NRF51 issue (2015) by Include Security ---  --- **program counter** (pc) 就是 EIP (instruction pointer) --- NRF51 的問題，當然 NRF52 修掉了 --- ## Fault injection ---  ---  ---  ---  ---  ---  ---  ---  --- ## Todo * reverse engineering dumped firmware * porting dumped firmware * pairing keys * peripherals driver * implement custom firmware --- ## Reference * https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/ * https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass-part-2/ * https://www.briandorey.com/post/echo-dot-3rd-gen-digging-deeper * https://fccid.io/A5MKC-1957/Internal-Photos/Internal-Photos-4619942.iframe * https://blog.includesecurity.com/2015/11/NordicSemi-ARM-SoC-Firmware-dumping-technique.html * https://infocenter.nordicsemi.com/pdf/nRF52832_PS_v1.4.pdf