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Introduction to STM32 microcontrollers security ...
AN5156. Application note Introduction to STM32 microcontrollers security Introduction This application note presents the basics of security in STM32 microcontrollers . security in microcontrollers encompasses several aspects including protection of firmware intellectual property, protection of private data in the device, and guarantee of a service execution. The context of IoT has made security even more important. The huge number of connected devices makes them an attractive target for attackers and several remote attacks have shown the vulnerabilities of device communication channels. With IoT, the security extends the requirements for confidentiality and authentication to communication channels, which often require encryption.
Attacks on microcontroller are classified in one of the following types: • Software attack: exploits software vulnerabilities (such as bug or protocol weaknesses). • Hardware non-invasive attack: focuses on MCU interfaces and environment information. • Hardware invasive attack: destructive attack with direct access to silicon
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