i.MX ProcessorsのトピックRe: secure memory using in application ?

secure memory using in application ?

allen_kim1 — Tue, 22 Nov 2016 01:44:14 GMT

Dear Community

my customer want use secure memory in application

Enviroment :

1 : linux 4.1.15

2 : imx6 ultra lite

i know sm_test.c ( drivers/crypto/caam/sm_test.c ) but that is kernel module

i want example in user application

is there any sample source in user application ?

how can i save key into secure memory on user level application ?

i red below community answer AF_ALG family

https://community.nxp.com/thread/309499#comment-342822

is there any simple source based on imx6 ?

but i want saving key in secure memory on user level application

please help us

Re: secure memory using in application ?

Yuri — Tue, 22 Nov 2016 07:38:23 GMT

Hello

the only available test / example is sm_test, which is provided as Linux BSP test.
Please check drivers/crypto/caam/sm_test.c in BSP sources.

Have a great day,
Yuri

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Re: secure memory using in application ?

allen_kim1 — Tue, 22 Nov 2016 07:59:50 GMT

Dear Yuri

Thansk for reply

you mean that Should i make kernel-user interface ( between sm_test module and user application ) ?

Thanks BR

Re: secure memory using in application ?

Yuri — Tue, 22 Nov 2016 08:06:26 GMT

Hello,

yes, You are right. Basically CryptoDev/OpenSSL with storage is expected

under Linux 4.2.

Regards,

Yuri,

Re: secure memory using in application ?

allen_kim1 — Tue, 22 Nov 2016 08:10:43 GMT

Dear Yuri

thanks for reply

lately BSP version is linux 4.1.15-2.0.0 but you mention 4.2 ?

please could you explain more detail about linux 4.2 ?

Thanks BR

Re: secure memory using in application ?

Yuri — Tue, 22 Nov 2016 08:12:45 GMT

Yes, is not supported yet by NXP.

As for Linux 4.2 - I meant mainline one.

~Yuri.

Re: secure memory using in application ?

allen_kim1 — Tue, 22 Nov 2016 08:54:21 GMT

Dear Yuri

Thanks for your reply

i got it

Thanks BR