Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.
The ECDSA implementation in cryptolib does not provide means of implementing ECDSA without a random number. RFC6979 is a secure way of doing ECDSA without a random number, it is used in the blockchain implementations (bitcoin, ethereum)
Hello community,I have a few of questions regarding SFI:1) Does STM32H753AI support SFI (Secure Firmware Install)?2) Can I use SWD for the SFI?3) Is there any recommended HSM smart card reader for the SFI?Thank you :)
Hi all,I have two different batches of Revision V STM32H750VBT6. All units in one of the batches (Date Code 045) has issue with the hash peripheral while the one (Date Code 928) is working completely fine.I created a new basic project for testing thi...
I am using STM32L4A6VG with 1 MB flash and my application is about 600+KB. I want to update the user app from an external flash and need some guide to modify SBSFU.After reading these 2 examples (STM32CubeExpansion_SBSFU_V2.4.0\Projects\B-L475E-IOT0...
I am trying to use AES-GCM with the crypto hardware accelerator the normal Testvectors are working, but when I connect it to openssl the authentication Tag is wrong. Do you have any idea how to fix this? The normal Encryption in ECB is working. If I ...
Hi,I am facing some issues with debugging SBSFU project.When I flash the application in debug mode, I can not jump to breakpoints set in SBSFU projects.Is there any way to perfrom this.Best Regards,Ankush Nagaraju
HiI'm using the dual image function on a 512kB STM32G474. I like to adjust the bootloader size to 32kb because my user App is too big.In the AN5056 there is a note how to adjust it, but I'm not sure if this lines in the file low_level_security.h are ...
Project imported: D:\Vrund\STM32CubeExpansion_SBSFU_V2.4.0\Projects\STM32F413H-Discovery\Applications\1_ImageIssue faced:15:42:35 **** Build of configuration Debug for project STM32F413H_DISCOVERY_1_Image_SECoreBin ****make all Building file: D:/Vrun...
Hello. For my automotive project I need to imitate motorcycle handlebar that uses LINbus for buttons many buttons. Since I can't always take handle off motorcycle I need to make emulator of it.This is Typical frame, and I mapped all bits of this burs...
Hi,Have a code that modifies the option bytes on G0 micro which seems bricks the IC from further programming attempts aka device locks itself.Did anyone face a similar issue with G070? What are the solutions to make the programming process robust and...