STM32 MCUs Security

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Resolved! STM32H75x - How to erase properly with removal of secure area?

I have some code that removes a "secure area" on STM32H75x by so called "regression" from RDP level 1 to level 0, which causes full erase.(Actually this code is based on example very kindly provided by ST support) void EraseAll(void) { uint32_t fla...

Pavel A. by Evangelist III
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Resolved! Unable to find definition of FW_INFO_TOT_LEN

I'm trying to port the SBSFU to STM32H735. I started from the project for the NUCLEO-H753ZI.I get errors in sfu_fwimg_core.c on FW_INFO_TOT_LEN but where is this defined?A simple grep -r turns up nothing.Thanks!

Arno1 by Senior
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Endianness of 'in the air' data bytes on STM32WLE5 - I asked this question before but did not get a definitive answer. So hoping someone here can answer now. I can get no response from STM online support. HOW DOES ONE GET AN ANSWER FROM STM ??

We are evaluating if we can use the STM32WLE5, to interface to existing devices .A critical factor 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 t...

JNoci.1 by Associate II
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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 ...

CRC Generating Polynomial doesn't work

Hi!I'm triying to set the CRC-16-IBM: X16+X15+X2+1, but CUBEMx does not allow it. In fact, I cannot introduce any polynomial.Is it a CUBE issue? How can I introduce the CRC-16 IBM polynomial ?Thank you