On Mon, Jun 05, 2006 at 10:23:51PM +0200, Jonas Meurer wrote:
On 04/06/2006 David Härdeman wrote:
Why not change the semantics of /etc/crypttab so that the third column (keyfile) is interpreted as a script if the file exists and has the executable bit set. If so, the script is executed and its stdout is piped to cryptsetup via stdin.

Sounds ok?

yes, sounds like a nice feature, but i'm not sure whether implementing
more non-obvious features is good.
and adding one more option for the options field in /etc/crypttab is more
obvious than extending the usage of the keyfile field.
also, the keyfile still needs to be passed to the script, otherwise you
need an own script for every encrypted disk.

Good point. I agree...


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