It's just a backup for me. Don't use this.

Intended use:

• Configure config.d/combine-keys
• When installing, instead of letting the installer create the luks devices, use make installation-initialize
• At the end of the installation, run make initrd in your new system (after chrooting if necessary)

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Questions asked while doing this:

• Back up an information as n pieces and require exactly n−1 to recover it
• XOR of a shell variable and a binary file
• Running several times the same command with several aguments after a pipe