I'd like to use a cryptab entry to open a luks container, but the key field in crypttab requires a filename.
I'd prefer the simplicity of pulling the luks key from seahorse. But it seems crypttab wants a file name, not a string.
Anyway to use a string (eg "$(secret-tool lookup application cryptsetup)") for the key in crypttab?
FYI, this is for a data partition, not /home. I don't have /home encrypted so I can't just store a key file somewhere in /home.
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