STM32 MCUs Security

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Usage of CRYPTO LIBRARY

I am trying to use the cryptographic library on a STM32F103, but I cannot find any documentation that is in line with the library and functions.In UM1924 rev.8 we still speak of version 3, but I cannot find the mnual consideration of rev. 4.0.1 (ther...

ABatt.1 by Senior
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Resolved! How can I disable RDP2?

Hi, I was testing the different levels of read protection and when I activated RDP 2, I lost full access to my board. I would like to know if there is any way to regain access (do a downgrade), despite losing all the content I had installed, somethin...

AGóme.3 by Associate
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No index returned when writing user key to P-NUCLEO-WB55

I am trying to write a user key to CKS on a P-NUCLEO-WB55 using either STM32CubeProgrammer or STM32_Programmer_CLI and the SWD interface. I am able to start the FUS no problem, as shown here:C:\Program Files\STMicroelectronics\STM32Cube\STM32CubeProg...

crwper by Senior
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[STM32WB55CEU6] AES-256 Decrypt Error

Decryption(AES-256) error after encryption(AES-256) signal network transmissionThe progress is as follows--------------------------------------------------------------------------------------------------------------​AES SettingsKeyEncrypt(board 1)Dec...

0693W00000Unsu1QAB.png 0693W00000Unsu1QAB.png 0693W00000UnsufQAB.png 0693W00000UnsupQAB.png
Nemonas by Associate II
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Need to Debug

STM32H7B3I-DK 1_Image demo project.Please let me know, what is the debug mechanism for SECoreBin application? How can I enable debug mode of SBSFU Secure Engine application?

jM.1 by Associate
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  • 2 replies
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Suggestions about security?

Hello, I'm working for an MNC and we use stm32l431cc. And I have to implement firmware updates over the air.physical connection:TARGET DEVICE <---UART----> External IOT DEVICE (GSM MODULE) which can be plugged in and out <----> Cloud service.For the ...

Vmere.1 by Senior
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What you need to do to enable debugging for SECoreBin?

Hi,My custom SBSFU_UserApp.bin failed the header signature verification in slot SLOT_ACTIVE_1 when I tried to execute it on the STM32H7B3I-DK board.To replace ECDSA with RSA signing verification, I have changed se_crypto_bootloader.c.SECoreBin projec...

speak.1 by Associate
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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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