$cksum = {
 'MailArch-1.9.tar.gz' => {
   shortname => 'mailar19.tgz',
   size => 24824,
   'md5' => '199f639d187af34e8687e8d20167894d',
   'md5-ungz' => '8b93b19482b9691d35d00423a19c9417'
 }
};