Reverse Engineering a Digital Two-Way Radio

Dive into the world of digital two-way radio reverse engineering in this 30-minute conference talk. Explore the intricacies of the Tytera MD380, from its CHIRP plugin to schematics, bootloader dumps, and application patching. Learn about firmware graphics formats, patching firmware updates, and analyzing firmware update binaries and headers. Discover techniques for firmware comparison, understanding the STM32F4 vector table, and uncovering firmware encryption keys. Delve into USB reversing and host software analysis to gain a comprehensive understanding of digital two-way radio technology.