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Design security model using ARM11 trust zone

Note: This was originally posted on 19th January 2010 at http://forums.arm.com

Hi all,

I am a very new user on the ARM11 trustzone.
My fist concern is - how should I start in designing the security model utilizing the trustzone?
I've decided to use RTOS in my development, is there any step by step procedure. ( integrate the os image with the interupt handler and secure monitor software).
Hope some one can guide me.
Thank you

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Peter Harris over 12 years ago

Note: This was originally posted on 16th September 2010 at http://forums.arm.com

The TrustZone API from ARM is _just_ the API specification; it is available as a standard interface which developers can take and use an an interface to their own security product.

Application developers using the API can then port their applications to different implementations which have the TrustZone API as an interface, but there is no "TrustZone library"; that would have to be provided by the developer of the security environment using the TrustZone Secure World.

The PDF linked above explains this in more detail.
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Peter Harris over 12 years ago

Note: This was originally posted on 16th September 2010 at http://forums.arm.com

The TrustZone API from ARM is _just_ the API specification; it is available as a standard interface which developers can take and use an an interface to their own security product.

Application developers using the API can then port their applications to different implementations which have the TrustZone API as an interface, but there is no "TrustZone library"; that would have to be provided by the developer of the security environment using the TrustZone Secure World.

The PDF linked above explains this in more detail.
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