Let's hook up the dissection logic with the new measurement infra, and issue the measurement after successfully unlock an image, but before returning to the caller. Note that ideally we'd do this measurement in the kernel, so that we can place it after authenticating the root hash, but before activating the medium. One day we should be able to do that via eBPF based on userspace policies, but for now, this would require too much kernel rework. Let's however make sure our measurements only contain data that the kernel could know too, so that we hopefully can move these measurements to the kernel without changing their formatting.
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