By Sultan Qasim Khan
Microcontrollers commonly include features to prevent the readout of sensitive information in internal storage. Such features are commonly referred to as readback protection or readout protection. This paper describes common readback protection implementation flaws, discusses techniques that can be used to defeat readback protection, and provides guidance to implement effective readback protection.
This whitepaper may be downloaded below.
Jennifer Fernick is the Global Head of Research at NCC Group. She can be found on Twitter at @enjenneer.