https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=7550 --- Comment #7 from Jonathan Druart <jonathan.druart@bugs.koha-community.org> --- No you cannot, unless you know the cardnumber. Everybody can guess the 'ck' value from the cardnumber. It may be better to use a hash based on the image. -- You are receiving this mail because: You are watching all bug changes.