Service Segments

Segment ISO9735/USD

DATA ENCRYPTION HEADER

To specify size (i.e. length of data in octets of bits) of encrypted data following the segment terminator of this segment.

Segment structure

0556       LENGTH OF DATA IN OCTETS OF BITS                   M   n1..18
0518       ENCRYPTION REFERENCE NUMBER                        C   an1..35
0582       NUMBER OF PADDING BYTES                            C   n1..2