apptainer-sign

Add digital signatures to a SIF container image. tldr-pages

On Linux

Linux

Sign a container image using the default PGP key

apptainer sign path/to/image.sifIdentify

Sign a container image using a specific private key file

apptainer sign --key path/to/private.pem path/to/image.sifIdentify

Sign a container image using a specific PGP key index

apptainer sign --keyidx key_index path/to/image.sifIdentify

Sign a specific object group within the image

apptainer sign --group-id group_id path/to/image.sifIdentify

Sign a specific object by ID within the image

apptainer sign --sif-id object_id path/to/image.sifIdentify

Display help

apptainer sign --helpIdentify