anchor.diff:                  };
   
                   mountPoint = mkOption {
  -                  default = "/crypt-challenge";
  +                  default = "/crypt-storage";
                     type = types.string;
                     description = "TODO";
                   };
   
  -                file = mkOption {
  -                  default = "/crypt-challenge";
  +                path = mkOption {
  +                  default = "/crypt-storage/default";
                     type = types.string;
                     description = "TODO";
                   };
                 };
  -            };
  -
  -            ramfsMountPoint = mkOption {
  -              default = "/crypt-update";
  -              type = types.string;
  -              description = "TODO";
               };
             };
           };
  
positive.code:       ${optionalString luks.yubikeySupport ''
          $out/bin/uuidgen --version
          $out/bin/ykchalresp -V
        ''}
      '';
  
  
negative.code:               description = "TODO";
              };
  
              slot = mkOption {
                default = 2;
                type = types.int;
                description = "TODO";
              };
  
              storage = mkOption {
                type = types.optionSet;
                description = "TODO";
  
  