STM32 MCUs Security

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STM32F777 - CRYP Coprocessor not setting the key

Hello,I'm currently using an STM32F777 MCU with the Keil MDK. I want to run an HTTPS serer on this system, and I set up mbedTLS with Keil's network component (using the TLS_ECDHE_ECDSA_AESGCM128 cipher suite). By default, it takes around 6 seconds fo...

Resolved! SBSFU combined elf - application erased by bootloader

I am trying to run a debug session with the built application which is built upon the secure bootloader. Note: All security mechanisms are disabled for debugging purposes.The issue seems to be the combined elf file. Loading this using a debugger, the...

MBirk.1 by Associate II
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  • 1 replies
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How to Port SBSFU to Linux Environment ??

I worked on POC for X-CUBE-SBSFU in windows environment. It is all working fine without any issues.Now the challenge is, we need to migrate SBSFU source to be compiled in Ubuntu Linux environment. I am struggling to do this, and getting lot of errors...

SPati.7 by Associate III
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  • 4 replies
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What are Boot Steps of STM32H7 Secure Mode

As per my understanding Secure Mode of STM32H7 as follows:RESET => Enter System Boot loader => Program OB register content => If (SECURITY) => RSS Boot => Configure Secure User Memory => Jump to Secure User memory on User Flash.I have two open questi...

SPati.7 by Associate III
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is the Asymmetric Cryptography supports ECC NIST256p keys only ..?? Because i tried to generate ECC private key with help of "secp256k1" and got compilation error as NOT SUPPORTED,

Self Generation script is like this :def generate():       return ECDSA256P1(SigningKey.generate(curve=NIST256p))KEY EXTRACTIONkey = SigningKey.from_pem(pem)       if key.curve.name == 'NIST256p':           return ECDSA256P1(key)       else:         ...

SPati.7 by Associate III
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  • 9 replies
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Include paths?

Hello guys,I'm trying to use the sample project given in the MOOC, and I'm getting compilation errors. The below is the error message.../STM32_Cryptographic/legacy_v3/src/hash/legacy_v3_sha1.c:20:10: fatal error: hash/legacy_v3_sha1.h: No such file o...

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Vmere.1 by Senior
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  • 4 replies
  • 0 kudos