Not able understand logic and working Post: 303023072

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systemd-cryptsetup

SYSTEMD-CRYPTSETUP@.SERVICE(8)				    systemd-cryptsetup@.service 			    SYSTEMD-CRYPTSETUP@.SERVICE(8)

NAME

       systemd-cryptsetup@.service, systemd-cryptsetup - Full disk decryption logic

SYNOPSIS

       systemd-cryptsetup@.service

       /usr/lib/systemd/systemd-cryptsetup

DESCRIPTION

       systemd-cryptsetup@.service is a service responsible for setting up encrypted block devices. It is instantiated for each device that
       requires decryption for access.

       systemd-cryptsetup@.service will ask for hard disk passwords via the password agent logic[1], in order to query the user for the password
       using the right mechanism at boot and during runtime.

       At early boot and when the system manager configuration is reloaded this /etc/crypttab is translated into systemd-cryptsetup@.service units
       by systemd-cryptsetup-generator(8).

SEE ALSO

       systemd(1), systemd-cryptsetup-generator(8), crypttab(5), cryptsetup(8)

NOTES

	1. password agent logic
	   http://www.freedesktop.org/wiki/Software/systemd/PasswordAgents

systemd 208													    SYSTEMD-CRYPTSETUP@.SERVICE(8)