Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.
We have an application running on an STM32WB55M. This user application makes use of standby mode, and the device is able to exit it when the configured pin changes state.However, once the SBSFU is integrated with the BLE_ota application, the user app...
Hi,I am trying to send encrypted data between a C# application and STM32 in AES GCM mode.Currently, I am only doing encryption of a known test vector.Key and IV are both all zeros.AAD length is 0.My testvector is: 00 00 00 00 00 01 00 00 00 00 00 00 ...
Do all the STM32WL series MCUs support STSAFE ? If yes, how it can be done?
Hello,We are working on an STM32F469/79-based device that uses SBSFU, which we are seeking to modify to use the STSAFE-A120 to perform the authentication and decryption algorithms.Section 2.7 of the STSAFE-A120 datasheet includes that the STSAFE-A120...
All I am reaching out for help from anyone who has successfully used the STSAFE-A120?I have purchase a stm32l452re numcleo and stsafe arduino board and I have manage to get the examples working, however. The examples are full of bloated software and ...
What is the meaning of the FLASH_OBKCR.NEXTKL field while executing within HDPL_0 (e.g., during execution of ST RSS)?This question might seem irrelevant to me as I'm a user and user code will never execute within HDPL_0, but it might be important fro...
I am using mbedtls module to verify the signature of firmware using RSA and its giving MBEDTLS_ERR_PK_INVALID_PUBKEY after parsing the public key. I am using OpenSSL for generating public and private keys the public key is generated using openssl gen...
HelloDo I unterstand correctly that the recommended secure boot option for STM32L4 is SBSFU?It seems that the only resource on how to get started with examples is the playlist on YouTube where a non signed exe from google drive has to be installed.Is...
Post edited by ST moderator to be inline with the community rules especially with the code sharing. In next time please use </> button to paste your code. Please read this post: How to insert source code Hello, I need to calculate SHA-256 on STM32L56...
Dear,For a given HDPL, how many 256-bit AHKs (Application Hardware Keys) can be stored in the option byte keys?And how many of those are:only usable by SAES?usable by software?The reference manual states the following:5.2 FLASH main features:"Up to 1...