apptainer(1)                                                      apptainer(1)



NAME
       apptainer-sign - Add digital signature(s) to an image



SYNOPSIS
       apptainer sign [sign options...]



DESCRIPTION
       The sign command allows a user to add one or more digital signatures to
       a SIF
         image. By default, one digital signature is added for each object
       group in
         the file.


       Key material can be provided via PEM-encoded file, or an entity in the
       PGP
         keyring. To manage the PGP keyring, see 'apptainer help key'.



OPTIONS
       -g, --group-id=0    sign objects with the specified group ID


       -h, --help[=false]  help for sign


       --key=""  path to the private key file


       -k, --keyidx=0      PGP private key to use (index from 'key list
       --secret')


       -i, --sif-id=0      sign object with the specified ID



EXAMPLE

         Sign with a private key:
         $ apptainer sign --key private.pem container.sif

         Sign with PGP:
         $ apptainer sign container.sif




SEE ALSO
       apptainer(1)



HISTORY
       1-Apr-2024 Auto generated by spf13/cobra

Auto generated by spf13/cobra      Apr 2024                       apptainer(1)