STM32 MCUs Security

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AES in STM32F423

Hello  for allIn last days i was begin to implementation AES to work on stm32f423I am using example in NIST Special Publication 800-38A to take key-128 bit, input data that plain text , encryption and decryption data.but nothing seems to work , when ...

mick by Associate II
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OEMiROT example flash protect sector problem

hello, I'm run a STM32H573DK in OEMiROT example.but following errors occured.[INF] TAMPER Activated[INF] BANK 1 secure flash [0, 15] : OB [0, 14][ERR] Unexpected value for secure flash protection so, I find why occurred this error.  In the ob_flash_p...

Choppa_0-1704185293412.png Choppa_1-1704187382348.png
Choppa by Associate II
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Resolved! How to integrate SBSFU in STM32U585 series

Hello support team,Have a Nice day.I am working on STM32U585ZIT6 Controller and investigating SBSFU for firmware upgrading.I list our specifications for a custom bootloader below.Enable TrustZoneEnable Dual bankRun time firmware write in the second b...

Secure key storage using SAES engine

Hi, with MCU STM32U585QII6QTR we encrypted an AES key using SAES engine and stored it in Internal Flash in RDP Level 0 and then moved to RDP Level 1. When we decrypt the key that was encrypted in RDP Level 0 using SAES engine, we didn't get our origi...

Kishore2 by Associate
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  • 1 replies
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Resolved! SBSFU | KMS and X509 support | RAM usage by SE

Hello all,Quick question. Why does Secure Engine (SE) consume so much RAM for projects supporting KMS and X509? In sample projects, by default it's around 120 [kB] of RAM assigned for SE. For purely "building" purposes we decreased it down to 36 [kB]...

Key Storage feature - STSAFE-A110

Hi all,I was hoping someone could advise me on the key storage feature of the part number STSAFE-A110 (STSAFA110S8SPL02).We have a device in the market-place at present which is currently undergoing a redesign. The device itself is a network security...