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Improve SBK/SSK stuff.
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These keys is stored in fuses, and can no longer be accessed after bootrom.+
+
Reads from both of these keyslots are disabled by the bootROM.
Reads from both of these keyslots are disabled by the bootROM.
−The SBK is stored in [[Fuses#FUSE_PRIVATE_KEY|FUSE_PRIVATE_KEY]], which are locked to read out only FFs after the bootrom finishes.
−SBK should be shared amongst all consoles, and SSK console-unique. But we don't know this is the case.
+SBK should be shared amongst all consoles, but we don't know this is the case.
+The SSK is derived on boot via the SBK, the 32-bit console-unique "Device Key", and hardware information stored in fuses.
== Falcon coprocessor ==
== Falcon coprocessor ==