Hi,

Unrelated comment from my side, adding on to Manuel's comment:
It appears that ST supplies a binary blob which does make use of their
hardware crypto accelerator.
https://www.st.com/en/embedded-software/x-cube-cryptolib.html

Cheers,

Manu


On Wed, Sep 9, 2020 at 1:21 PM Manuel Pegourie-Gonnard via mbed-tls
<mbed-tls@lists.trustedfirmware.org> wrote:
>
> Hi,
>
> On those CPUs, the AES implementation in Mbed TLS is pure C, it doesn't use any hand-written assembly. The only platforms where it does so so far are x86-64 (to take advantage of the AES-NI extension if available), and some Via CPUs (x86) that have AES acceleration as well.
>
> Regards,
> Manuel.
> ________________________________
> From: mbed-tls <mbed-tls-bounces@lists.trustedfirmware.org> on behalf of Areeb Asad via mbed-tls <mbed-tls@lists.trustedfirmware.org>
> Sent: 09 September 2020 08:32
> To: mbed-tls@lists.trustedfirmware.org <mbed-tls@lists.trustedfirmware.org>
> Subject: [mbed-tls] Query related to ARM - MbedTLS
>
> Hi,
>
> I hope you are doing well. I am using the mbedTLS AES library in my projects, part of my master thesis at Uppsala University.
>
> I would like to know whether the mbedTLS AES library uses any assemble specific code for operations? I am using this library on Cortex-M23 and Cortex M0+.
>
> Looking forward to hearing from you.
>
>
> Best regards,
> Hafiz Areeb Asad
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