STM32 MCUs Security

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Usage of STM32 crypto library (UM1924) on STM32WB

Hello,one question (or feature request):I try to use the STM32 crypto library (v1.3.1 software implementation) on STM32WB. I activated the RNG and CRC but the calculated results (encryption/decryption, cmac) are not ok. Are there other things to do?I...

PADAM.1 by Associate III
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How can I calculate CRC of image in post build?

Hello,I want to calculate the CRC (32 bit) of image at post build and insert it in a known location in the image.In order to do it I should perform the following steps:a) Definition of placeholder in linker script fileb) Post build steps: b.1) Ca...

Crypto peripheral on STM32H745

HiI want to use the Cryptographic peripheral on the above nucleo board, in the following way.Serial message from embedded board-->H745 crypto engine-->wireless transmission-->Decrypt packet on remote x86 laptopAnd the reverse direction tooSo clearly ...

How to do: CRYP peripheral on STM32WB

HelloIn STM32 Crypto Library, there are function "AES_CMAC_Encrypt_Init", "AES_CMAC_Encrypt_Append" and "AES_CMAC_Encrypt_Finish" to calculate the authentication code of a plain text.How can this be done on STM32WB using the CRYP peripheral (HAL driv...

PADAM.1 by Associate III
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Endianness of 'in the air' data bytes

We are evaluating if we can use the STM32 to interface to existing devices. The critical fator is the expected endianness of the data. I have seen no reference in the docs if this can be set, so I have provided an example message and would like to kn...

JNoci.1 by Associate II
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SBSFU USB Local Loader STM32F4xx

Hi i was wondering how i should go about implementing USB instead of UART to download the firmware in the SBSFU bootloader. I have successfully managed use USB in DFU mode to install a new firmware.

Ahmed by Associate III
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