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by daneel_w
1690 days ago
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A question to ExaMesh, in case someone from there happens to be reading: could you publically offer a guarantee and promise that not a single byte will be read off of (or written to) customers' SD cards or SSD drives before being installed, or after being uninstalled from your racks? |
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You can use dropbear to ssh into the Pi and provide the key during boot.
You can have the Pi connect to a remote system to retrieve the key.
Some methods are obviously not perfect, but it'll definitely make it more complicated than just "copy the card." Remote key retrieval would let you audit when the system was booted and so on.
There's a more complex purpose-built open source software package specifically for handling remote disk unlocks but I'm blanking on the name and my google searches aren't turning it up. I vaguely recall it had fairly high levels of paranoia in its design.