[edk2-devel] RFC: Adding support for ARM (RNDR etc.) to RngDxe

[Sami Mujawar]

Hi Rebecca,

I have been working on the following modules (See slide 11 in “EDKII - Proposed update to RNG implementation.pdf<https://edk2.groups.io/g/devel/files/Designs/2021/0116/EDKII%20-%20Proposed%20update%20to%20RNG%20implementation.pdf>”):

  1.  TrngLib|FwTrnglib (Arm Firmware TRNG)
  2.  DrbgLib stack – with support for DrbgAlgorithmLib|CRT_DRBG & AesLib|ArmAesInstructionLib.



I plan to post patches for (a) in the next fortnight. Following this I plan to update the proposal with the interface definitions for the various library interfaces in the DrbgLib Stack.



I have not looked at RngLib|RNDR as I believe you were interested in implementing the part. Kindly let me know if you plan to implement this and the platform you would be using for testing. It looks like the FVP_Base_AEMv8A-AEMv8A and the FVP-RevC models support RNDR, so these could be used for testing as well. Please feel free to get in touch should you need any help with the model parameters or if you face any issues.


Regards,

Sami Mujawar

From: Rebecca Cran <rebecca at nuviainc.com>
Date: Tuesday, 20 April 2021 at 21:04
To: Sami Mujawar <Sami.Mujawar at arm.com>, devel at edk2.groups.io <devel at edk2.groups.io>, Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud at arm.com>, Ard Biesheuvel <Ard.Biesheuvel at arm.com>, leif at nuviainc.com <leif at nuviainc.com>
Cc: rfc at edk2.groups.io <rfc at edk2.groups.io>, Jiewen Yao <jiewen.yao at intel.com>, Rahul Kumar <rahul1.kumar at intel.com>, nd <nd at arm.com>, Jose Marinho <Jose.Marinho at arm.com>
Subject: Re: [edk2-devel] RFC: Adding support for ARM (RNDR etc.) to RngDxe
Hi Sami,

I was wondering if you're still collecting feedback on the design, or if
you have a plan and schedule for the implementation?

--
Rebecca Cran

On 1/15/21 7:51 PM, Sami Mujawar wrote:
> Hi All,
>
> I have shared some initial thoughts on the RNG implementation updates at https://edk2.groups.io/g/devel/files/Designs/2021/0116/EDKII%20-%20Proposed%20update%20to%20RNG%20implementation.pdf
>
> Kindly let me know your feedback or if you have any queries.
>
> Regards,
>
> Sami Mujawar
>
> -----Original Message-----
> From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Rebecca Cran via groups.io
> Sent: 14 January 2021 09:05 PM
> To: Sami Mujawar <Sami.Mujawar at arm.com>; devel at edk2.groups.io; Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud at arm.com>; Ard Biesheuvel <Ard.Biesheuvel at arm.com>; leif at nuviainc.com
> Cc: rfc at edk2.groups.io; Jiewen Yao <jiewen.yao at intel.com>; Rahul Kumar <rahul1.kumar at intel.com>; nd <nd at arm.com>
> Subject: Re: [edk2-devel] RFC: Adding support for ARM (RNDR etc.) to RngDxe
>
> On 12/10/20 4:26 AM, Sami Mujawar wrote:
>
>> I am working on the TRNG FW API interface and will share more details
>> for the discussion soon.
>>
>> We had some thoughts about streamlining the RngDxe implementations and
>> would like to share some diagrams for the discussion.
>>
>> My diagrams are in Visio that I can export as JPG images. However, I am
>> open to switching to any other suggested tool.
>
> Hi Sami,
>
> I don't see any further discussions on this. Have you made any progress
> with sharing the design documents or scheduling a review?
>


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