Oki, I see it
$ mender-artifact modify my-update-1.0-signed.mender -k private.key
Error selecting images for modification: error validating signature
$ mender-artifact -version
mender-artifact version 3.0.0b1
Oki, I see it
$ mender-artifact modify my-update-1.0-signed.mender -k private.key
Error selecting images for modification: error validating signature
$ mender-artifact -version
mender-artifact version 3.0.0b1