KDE PIM/KItinerary/Trenitalia Barcode: Difference between revisions

Revision as of 19:21, 10 May 2019

always 67 bytes
exactly for one passenger/leg
does not seem to contain signatures, checksums or compression, based on minimal bit pattern changes on adjacent tickets
a lot less null bytes when PNR/seat reservation are present (ie. highspeed train tickets?)

Byte:Bit (MSB)	Content	Meaning	Notes
0:0 - 4:7	0x20 0x14 0xC2 0x08 0x10	header?	fixed value in all samples
5:0 - 7:7		date?	varies between samples
8:0 - 12:7	null
13:0 - 14:3	0000 0100 0000		fixed values in all samples
14:4 - 17:3	24 bit uint	UIC station code of departure
17:4 - 18:2
18:3 - 21:2	24 bit uint	UIC station code of arrival
	xx bit uint	train number
25:0 - 29:7	null
30:0 - 38:7			null if no PNR present, seems to contain seat number?
39:0 -42:7	null
40:0 - 50:7			null if no PNR present, unknown content otherwise
51:0 - 58:3	0x0B 0x65 0x23 0x18 0x40 0xE6 0xC0 0x0		fixed in all samples?
58:4 - 62:3	32 bit uint	ticket number
63:4 - 65:7	null
66:0 - 66:7			varies between samples

@@ Line 9: / Line 9: @@
 {| class="wikitable"
-! Byte:Bit !! Content !! Meaning !! Notes
+! Byte:Bit (MSB) !! Content !! Meaning !! Notes
 |-
 | 0:0 - 4:7 || 0x20 0x14 0xC2 0x08 0x10 || header? || fixed value in all samples
@@ Line 35: / Line 35: @@
 | 40:0 - 50:7 || || || null if no PNR present, unknown content otherwise
 |-
-|  - 62:3 || xx bit uint || ticket number ||
+| 51:0 - 58:3 || 0x0B 0x65 0x23 0x18 0x40 0xE6 0xC0 0x0 || || fixed in all samples?
+|-
+| 58:4 - 62:3 || 32 bit uint || ticket number ||
 |-
 | 63:4 - 65:7 || null || ||