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Validation of signed swu-bundles with different signing keys

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Andreas M.

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Dec 17, 2024, 12:52:51 PM12/17/24
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Hello swupdate-community,

we are developing the root fs for a platform. The swu files are therefore signed by us.
Another team is developing the app fs in an corresponding signed swu package, signed with their signing keys.

The point where I am currently not sure about:
What is the best practice that swupdate will accept both signed images?
How did you solve that issue? Do the signing keys need to be derived from the same root-ca? Or is it possible to configure different root-ca for validating?

Thanks for your help
Andreas
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