How to enable AES/CRYP IN STM32cubeMX

Nirene · ‎2025-12-30

Greetings everyone,
Using the C programming language, I'm creating the encryption algorithm AES-256 code for a trusted execution environment and checking to see if the hardware supports it.
AES/CRYP enabling is giving me trouble. I can't find it under Connectivity or Security, and I can't enable it with STM32CubeMX.
I'm getting this error, so please assist.

mƎALLEm · ‎2025-12-30

Hello,

What crypto version you are trying to use? Cryptolib (a cryptographic library totally implemented by software)? or the Crypt peripheral? and which STM32L5 part number are you using?

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Nirene · ‎2025-12-30

Hello,
I am using the ST part number STM32L552E-EV evaluation board based on STM32L552ZET6Q. I am using the hardware Cryptographic (CRYP/AES) peripheral provided by the STM32L5 series for AES-256 encryption, rather than the software-only CryptoLib.
The implementation is done using STM32CubeIDE and HAL APIs, leveraging the MCU’s built-in security features.
Also, I tried to install x-cube-cryptolib-4-6-0, but I still get this problem.

mƎALLEm · ‎2025-12-30

Hello,

STM32L552 doesn't feature AES algo by hardware. STM32L562 does.

Please refer to the datasheet of the product:

L552: only HASH is available.

L562:

@Nirene wrote:

Also, I tried to install x-cube-cryptolib-4-6-0, but I still get this problem.

That's the cryptolib I'm talking about and that's another question as you are asking for hardware Cryptographic (CRYP/AES) peripheral.

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