STM32 MCUs Security

Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.

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Cryptolib: ECDSA Public key format

Hello,I try to verify data with cmox_ecdsa_verify. It fails with CMOX_ECC_ERR_BAD_PARAMETERS. I think my public key has the wrong format, because the buffer CMOX_ECC_SECP384R1_PUBKEY_LEN is 96. My key has the length of 120 bytes.I have exported my pu...

ABach.5 by Associate
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SBSFU Implementation in Nucleo STM32H743ZI Board.

   1. I need to implement SBSFU (Secure Boot and Secure Firmware Update) in my Nucleo STM32H743ZI Board, but the SBSFU package is available for STM32H753ZI, STM32H7B3I-DK, STM32H750B-DK board. So Which Package is best for the Nucleo STM32H743ZI board...

pragnesh by Associate III
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  • 6 replies
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Resolved! STM32H735AGI6 RNG non working

the function MX_RNG_Init failsHAL_RNG_Init returns t.o.: while (HAL_IS_BIT_SET(hrng->Instance->CR, RNG_CR_CONDRST)) {  if ((HAL_GetTick() - tickstart) > RNG_TIMEOUT_VALUE)  {   /* New check to avoid false timeout detection in case of preemption */   ...

mzenn.280 by Associate II
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  • 3 replies
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