diff --git a/libisoburn/trunk/libisoburn/isoburn.c b/libisoburn/trunk/libisoburn/isoburn.c
index a0dacaaf..6f400052 100644
--- a/libisoburn/trunk/libisoburn/isoburn.c
+++ b/libisoburn/trunk/libisoburn/isoburn.c
@@ -434,6 +434,9 @@ int isoburn_prepare_disc_aux(struct burn_drive *in_d, struct burn_drive *out_d,
  iso_write_opts_set_aaip_susp_1_10(wopts, opts->aaip_susp_1_10);
  iso_write_opts_set_sort_files(wopts, opts->sort_files);
  iso_write_opts_set_record_md5(wopts, opts->session_md5, opts->file_md5 & 3);
+ if(opts->scdbackup_tag_name[0] && opts->scdbackup_tag_time[0])
+   iso_write_opts_set_scdbackup_tag(wopts, opts->scdbackup_tag_name,
+                                    opts->scdbackup_tag_time);
  iso_write_opts_set_replace_mode(wopts, opts->replace_dir_mode,
                 opts->replace_file_mode, opts->replace_uid, opts->replace_gid);
  iso_write_opts_set_default_dir_mode(wopts, opts->dir_mode);
@@ -1027,3 +1030,25 @@ int isoburn_igopt_get_data_start(struct isoburn_imgen_opts *o, int *lba)
  return(1);
 }
 
+
+int isoburn_igopt_set_scdbackup_tag(struct isoburn_imgen_opts *o, char *name,
+                                    char *timestamp)
+{
+ strncpy(o->scdbackup_tag_name, name, 80);
+ o->scdbackup_tag_name[80]= 0;
+ strncpy(o->scdbackup_tag_time, timestamp, 18);
+ o->scdbackup_tag_time[18]= 0;
+ return(1);
+}
+
+
+int isoburn_igopt_get_scdbackup_tag(struct isoburn_imgen_opts *o,
+                                    char name[81], char timestamp[19])
+{
+ strncpy(name, o->scdbackup_tag_name, 80);
+ name[80]= 0;
+ strncpy(timestamp, o->scdbackup_tag_time, 18);
+ timestamp[18]= 0;
+ return(1);
+}
+
diff --git a/libisoburn/trunk/libisoburn/isoburn.h b/libisoburn/trunk/libisoburn/isoburn.h
index 4411e3ce..5b2173ae 100644
--- a/libisoburn/trunk/libisoburn/isoburn.h
+++ b/libisoburn/trunk/libisoburn/isoburn.h
@@ -471,6 +471,18 @@ struct isoburn_imgen_opts {
         If >=16: Valid block number. Block size is always 2 KiB.
     */
     int data_start_lba;
+
+    /**
+     * If not empty: Parameters "name" and "timestamp" for a scdbackup stream
+     * checksum tag. See scdbackup/README appendix VERIFY.
+     * It makes sense only for single session images which start at LBA 0.
+     * Such a tag may be part of a libisofs checksum tag block after the
+     * session tag line. It then covers the whole session up to its own start
+     * position.
+     */
+    char scdbackup_tag_name[81];
+    char scdbackup_tag_time[19];
+
 };
 
 
diff --git a/libisoburn/trunk/libisoburn/libisoburn.h b/libisoburn/trunk/libisoburn/libisoburn.h
index 86bb0c65..e3e78f32 100644
--- a/libisoburn/trunk/libisoburn/libisoburn.h
+++ b/libisoburn/trunk/libisoburn/libisoburn.h
@@ -216,7 +216,7 @@ void isoburn_version(int *major, int *minor, int *micro);
 */
 #define isoburn_libisofs_req_major  0
 #define isoburn_libisofs_req_minor  6
-#define isoburn_libisofs_req_micro 22 
+#define isoburn_libisofs_req_micro 23 
 
 /** The minimum version of libburn to be used with this version of libisoburn
     at compile time.
@@ -1141,6 +1141,23 @@ int isoburn_igopt_get_effective_lba(struct isoburn_imgen_opts *o, int *lba);
 int isoburn_igopt_get_data_start(struct isoburn_imgen_opts *o, int *lba);
 
 
+/** Set resp. get parameters "name" and "timestamp" for a scdbackup checksum
+    tag. It will be appended to the libisofs session tag if the image starts at
+    LBA 0. See isoburn_disc_track_lba_nwa. The scdbackup tag can be used
+    to verify the image by command scdbackup_verify <device> -auto_end.
+    See scdbackup/README appendix VERIFY for its inner details.
+    @since 0.4.4
+    @param o          The option set to work on
+    @param name       The tag name. 80 characters max.
+    @param timestamp  A string of up to 13 characters YYMMDD.hhmmss
+                      A9 = 2009, B0 = 2010, B1 = 2011, ... C0 = 2020, ...
+    @return 1 success, <=0 failure
+ */
+int isoburn_igopt_set_scdbackup_tag(struct isoburn_imgen_opts *o, char *name,
+                                    char *timestamp);
+int isoburn_igopt_get_scdbackup_tag(struct isoburn_imgen_opts *o,
+                                    char name[81], char timestamp[19]);
+
 
 /* ----------------------------------------------------------------------- */
 /*                      End of Options for image generation                */
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index a578cfb2..d5ba7628 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2009.08.31.162746"
+#define Xorriso_timestamP "2009.08.31.210528"