[pkg-cryptsetup-devel] Bug#704470: cryptsetup: Please support specifying key-slot in crypttab

[Kevin Locke]

Package: cryptsetup
Version: 2:1.4.3-4
Severity: wishlist
Tags: patch

Dear Maintainer,

Could you please consider adding support for specifying the --key-slot
option in /etc/crypttab?  Since key slots are tested sequentially,
decrypting a device in crypttab using a key file for a higher-numbered
slot can take quite a while (depending on the number of iterations on
all earlier key slots) and slow down boot noticeably for automatic
mappings.  Being able to specify the key slot to which the
keyfile/keyscript matches would speed this up significantly.

I've attached a simple patch to implement the option as "keyslot".

Cheers,
Kevin
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