3/10/2024 0 Comments Spi flash tiny toolsThe SPI protocol is a 4-wire and full duplex (receive and transmit simultaneously) bus protocol developed by Motorola in the mid 1980’s. As a result, being able to interface with devices using this protocol allows reading and writing of firmware, which can be crucial to further security analysis. Many embedded devices use SPI to access persistent data stored on flash memory. The goal of this post is to serve as a guide for security researchers and hardware hackers to easily interface with target devices. Welcome back to our series on an introduction to hardware hacking! In this post we will be covering the Serial Peripheral Interface (SPI) protocol, a commonly used serial bus protocol which allows hardware components to communicate with each other.
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