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Decoding data
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Digger
Jul 2, 2009, 11:55:28 AM7/2/09
to
is there way to decrypt data encoded (HEX format) in pages 5 and 11,
and find the encoding algorithm used, also how calculated the control
sum? Card memory divided as 16 pages of 4 bytes each, the pages are
numbered 0 to 15.
and find the encoding algorithm used, also how calculated the control
sum? Card memory divided as 16 pages of 4 bytes each, the pages are
numbered 0 to 15.
PAGE5: 945983DE
...
PAGE11: D8220100
Page11 - D8220100 - the first three bytes ( D8 22 01 ) are control
sum of transaction, encoded with UID.
------------
Purchase date: 25.06.2009 12:36:59
System ID: 01TVD--PPT002--01
Operator ID: 1
Agent No: 999228
Shift No: 51
Transaction ID: 65
Card No: 01-140891335015373
------------
UID number is 8023D1F9BBCD
The encoded data is few details of transaction, most likely date/time
and maybe some other details.
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