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26 - 28 February 2019 // Nuremberg, Germany

Conferences and supporting programme

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Session 11 II - Securing Embedded Devices II

Efficient Solution for Secure Firmware Install and Upgrade of Embedded Applications Vortragssprache Englisch

At the end of this conference participants will get familiar with major security threads addressing globally firmware IP’s protection. Moreover they will be augmented with practical know-how on how to do securely their first firmware installation and how to implement secure firmware upgrade in secured way increasing their firmware IP’s protection and enriching applications robustness and flexibility. Security became major constrain for developers of many embedded applications. This has been driven by the growing complexity of the applications and especially their connectivity to internet and/or other proprietary networks. In parallel Secure Firmware Install, used during production, or in-application firmware upgrade, used in the field, happened to be mandatory elements providing faster time to market, eliminating piracy and lowering cost of applications maintenance including flexible adaptation of various business models around the final applications and their ecosystem. Real practical use case example will be presented addressing complete volume production chain and demonstrating benefits of full and easy secure control over the process of secure firmware install. As target platform the secured version of STM32H7 MCU will be used. It comes with a ready to use secure firmware install code located in a protected area including certificate to validate its authenticity. All being provisioned with an individual asymmetric key pair to receive the encrypted customer binary code with its encryption key. The decryption process is done internally by the STM32H7 afterwards. Practically the STM32H7 includes a user memory space named Securable Memory Area that is sizable and activated by configuration. When activated, that user area is visible after any reset and is protected against debug. After its usage, the code jump to the main firmware located in regular user area and accessing it becomes impossible. This new memory space enhanced the code and key protection of any secure firmware upgrade solution. All the code and data stored in that memory domain totally disappear.

--- Date: 28.02.2018 Time: 4:30 PM - 5:00 PM Location: Conference Counter NCC Ost



Christophe Mani



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