CST Tool signature algorithm

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CST Tool signature algorithm

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stefano_zingari
Contributor II

CST Tool is used to creare a signed boot image for NXP devices, due to the fact CST Tool is not fully opensource, is anybody able to depitct which is the algorithm applied to create the image?

The most interesting part is: how are used private keys?

Goals to be accomplished are:

- Split CST tool to retrieve from remote server CRT and Private keys

- Create a "reverse" tool to verify the boot image before flashing it

BR

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CommunityBot
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This an automatic process.

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NXP Community!

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CommunityBot
Community Manager
This an automatic process.

We are marking this post as solved, due to the either low activity or any reply marked as correct.

If you have additional questions, please create a new post and reference to this closed post.

NXP Community!
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Yuri
NXP Employee
NXP Employee

Hello,

   Look at the latest CST 3.2.0, which is public and is the first open source release.

https://www.nxp.com/webapp/Download?colCode=IMX_CST3.2.0_TOOL

Regards,

Yuri.

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