Hi Reinhard,

Attestation is implemented in TF-M.

There is a whitepaper here explaining attestation use cases and usage models https://www.psacertified.org/app/uploads/2020/02/PSA-Certified-Entity-Attestation-Overview-Whitepaper.pdf

The API is documented in the specification ARM IHI 0085, which you can find here

https://developer.arm.com/-/media/Files/pdf/PlatformSecurityArchitecture/Implement/IHI0085-PSA_Attestation_API-1.0.2.pdf?revision=eef78753-c77e-4b24-bcf0-65596213b4c1&la=en&hash=E5E0353D612077AFDCE3F2F3708A50C77A74B2A3

Best,

Adrian

On 14 May 2020, at 15:55, Reinhard Keil via TF-M <tf-m@lists.trustedfirmware.org> wrote:

Is Attestation already implemented?

Is there somewhere information on how Attestation is used.

I’m looking for user oriented information.

Thanks for your help.

Reinhard

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