A bootloader is typically used to update application code on a microcontroller. It receives the new program from a host, writes it to flash, verifies the program is valid, and resets the ...

It probably doesn’t matter much for the hacker who sleeps with a bag of various microcontroller flash programmers under the pillow, but for an end-user to apply a firmware upgrade, convenience is king ...

This application note describes how firmware can be updated securely on AVR® microcontrollers with bootloader capabilities. The method uses the Advanced Encryption Standard (AES) to encrypt the ...

Yes, now we are in a plan to working with bootloaders and create custom bootloaders. Good, but for enforcing this you will probably need to understand/refresh some useful information! At first, note ...