Secure Bootloader Support for Renesas RH850

Embien, together with Renesas, designed and developed the Secure Bootloader stack for Renesas RH850 devices that allows secure FOTA update and firmware validation.

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Secure Bootloader Support for Renesas RH850

Embien has been working with Renesas on its RH850 devices for a long time developing various solutions for the powerful MCU. Our expert team developed a Secure Bootloader for Renesas to ensure that the firmware is valid and is from a trusted source before running it. The SBL also allows download of new firmware over communication channels like CAN, UART etc so that it can be readily integrated to any custom application and Firmware upgrade functionality immediately provided.The SBL is highly optimized for RH850 devices as it leverages the internal secure core to perform firmware validation before it is run by the application core.

OUR EXPERTISE

Embien's Support for Renesas RH850 SBL

SECURITY

The SBL offer RSA or ECDC based asymmetric security and SHA256/SHA512 based hashing algorithms

VARIANTS

Varients of RH850 devices such as RH850-D1M1, RH850/F1KM-S1, RH850/F1KM-S4 etc are supported.

FIRMWARE UPDATE

Can be updated over UART using XModem protocol or updated over CAN UDS protocol. Update over custom interface is also possible.

SUPPORT

As a reliable partner for Renesas, Embien supports the SBL stack and offers customization services on top of it.

SPECIALIZED SERVICES FOR SBL

While the basic software is available at Renesas website for download, Embien offers support services for any customization/porting needed on top of the vanilla offering

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Our Services Include:

  • Integration of the RH850 Secure Bootloader to user firmware
  • Consulting with respect to Cyber-Security architecture for Renesas devices
  • Support for WiFi/Bluetooth/SPI based Firmware Update
  • Size and Speed Optimization of the SBL for target hardware

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