Secure AuthenticationのトピックWhat is "Secure Box version"?

What is "Secure Box version"?

djdirkj — Mon, 27 Jul 2026 13:45:26 GMT

The GetVersion-APDU in AN12413 specification defines "VersionInfo" with a 2-byte "Secure Box version". There is no definition as to what is exactly is.

Why do I need this information?

I'm in the middle of a certification of a product with a notified body. This product uses a SE050 for certain security features and this is part of the certification since the SE050 also contains a form of firmware.

Re: What is "Secure Box version"?

Kan_Li — Tue, 28 Jul 2026 02:29:08 GMT

Hi @djdirkj ,

Please record the Secure Box version as part of the SE050 software/configuration evidence, but do not try to interpret it independently unless NXP provides a controlled definition; for certification, the full GetVersion / se05x_GetInfo output is the stronger traceability artifact.

Have a great day,
Kan

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Re: What is "Secure Box version"?

djdirkj — Tue, 28 Jul 2026 07:41:53 GMT

Hi @Kan_Li ,

thank you for your response!

Let me rephrase the question:

I have a reel of about 500 SE050A2 components at our EMS. If I produce 500 products with these SE050, how can I be sure that every SE050 is exactly the same?

If there is a difference in the SE050 it does not adhere to the certificate and it needs amendments to the certificate. I hope you understand that this is not desirable.

Re: What is "Secure Box version"?

Kan_Li — Tue, 28 Jul 2026 08:51:53 GMT

Hi @djdirkj ,

Please do not try to prove that all SE050A2 chips are literally identical; prove that they have the same OEF ID, platform build ID, OS patch level, applet version, and feature configuration, while recording unique serial/batch data for traceability.

Have a great day,
Kan

Re: What is "Secure Box version"?

djdirkj — Tue, 28 Jul 2026 09:39:44 GMT

Hi @Kan_Li ,

thank you for your timely reply, I appreciate it.

Can you confirm that every SE050A2 has the same:

OEF ID, platform build ID, OS patch level, applet version, and feature configuration.

And if we order a new batch, this does not change.

This is all I need to know regarding this topic.

Kind regards,

Dirk Jan

Re: What is "Secure Box version"?

Kan_Li — Wed, 29 Jul 2026 01:52:37 GMT

Hi @djdirkj ,

Yes, all these parameters are static on SE050A.

Have a great day,
Kan