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by rkeene2 1790 days ago
It was all made out of parts with standardized interfaces, so components could be consumer equipment.

I also used the same software on my laptop to encrypt it. It's nothing fancy, just using the dm-crypt kernel module and any kind of hardware security module that talks PKCS#11 (which is all of them); On my laptop I just used my existing smartcard (which I used to login to the system and remote systems).

The disk header was just text occupying the first 4MiB of the disk in 2 circular buffers similar to LVM (though 2 copies for redundancy).