[keymgr] Add support for more FW stages
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@moidx is already working on this.
Since Mar 29, 2024.
Type:FutureRelease
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Description
Description
Currently key manager only supports 3 stages, which are based on assumptions of firmware structure. However there are considerations that more stages would be needed, e.g. adding OS kernel as a separate stage and crypto service as another, or mixing in measurements of AP FW or other components.
Practically key manager implementation shall be parameterized so these stages can be easily added.
@timothytrippel
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