topic Re: S32K3 HSE RSA import KEY for Sig verification in S32K

S32K3 HSE RSA import KEY for Sig verification

Mingming — Fri, 15 Nov 2024 08:35:13 GMT

hi,

I'm currently using the S32k3 Crypto Mcal to integrate SW for RSA2048 Sig verification, but the MCAL driver limitation cannot set the RSA key by keyElementSet API, so if there is any demo that can guide to configure it.

MCAL version: SW32K3_RTD_4.4_2.0.3

thanks a lot!

#S32k3

Re: S32K3 HSE RSA import KEY for Sig verification

lukaszadrapa — Thu, 21 Nov 2024 14:35:33 GMT

Hi @Mingming

Yes, that's correct. The MCAL driver does not support import of RSA keys.
An option is to call such HSE service via Crypto_43_HSE_KeyElementGet() function. See please section "ASR Extension services offered through 'Crypto_43_HSE_KeyElementGet' API" in the RTD_CRYPTO_43_HSE_UM.pdf.
This functionality provides an option to call any HSE service using MCAL function.

I found attached example where RSA keys are imported. This should help to understand how to set HSE descriptor.

Regards,
Lukas

Re: S32K3 HSE RSA import KEY for Sig verification

Mingming — Fri, 22 Nov 2024 06:42:37 GMT

hi @lukaszadrapa ,

thanks a lot for your answer,

BR!

Mingming