man/systemd-cryptsetup@.service.8

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  22 .SH "NAME"
  23 systemd-cryptsetup@.service, systemd-cryptsetup \- Full disk decryption logic
  24 .SH "SYNOPSIS"
  25 .PP
  26 systemd\-cryptsetup@\&.service
  27 .PP
  28 /usr/lib/systemd/systemd\-cryptsetup
  29 .SH "DESCRIPTION"
  30 .PP
  31 systemd\-cryptsetup@\&.service
  32 is a service responsible for setting up encrypted block devices\&. It is instantiated for each device that requires decryption for access\&.
  33 .PP
  34 systemd\-cryptsetup@\&.service
  35 will ask for hard disk passwords via the
  36 \m[blue]\fBpassword agent logic\fR\m[]\&\s-2\u[1]\d\s+2, in order to query the user for the password using the right mechanism at boot and during runtime\&.
  37 .PP
  38 At early boot and when the system manager configuration is reloaded this
  39 /etc/crypttab
  40 is translated into
  41 systemd\-cryptsetup@\&.service
  42 units by
  43 \fBsystemd-cryptsetup-generator\fR(8)\&.
  44 .SH "SEE ALSO"
  45 .PP
  46 \fBsystemd\fR(1),
  47 \fBsystemd-cryptsetup-generator\fR(8),
  48 \fBcrypttab\fR(5),
  49 \fBcryptsetup\fR(8)
  50 .SH "NOTES"
  51 .IP " 1." 4
  52 password agent logic
  53 .RS 4
  54 \%http://www.freedesktop.org/wiki/Software/systemd/PasswordAgents
  55 .RE