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HID C15001 KeyScan 36-bit - incorrect Wiegand format displayed

Open Githubby14 opened this issue 1 year ago • 3 comments

just pulled the latest repo and noticed it no longer displaces the correct format for HID C15001

 [ Proxmark3 RFID instrument ]

 [ CLIENT ]
  Iceman/master/v4.14831-916-g429139f17-dirty-unclean 2022-09-01 13:39:25 260a57537
  compiled with............. MinGW-w64 10.3.0
  platform.................. Windows (64b) / x86_64
  Readline support.......... present
  QT GUI support............ present
  native BT support......... absent
  Python script support..... present
  Lua SWIG support.......... present
  Python SWIG support....... present

 [ PROXMARK3 ]
  firmware.................. PM3 GENERIC

 [ ARM ]
  bootrom: Iceman/master/v4.14831-916-g429139f17-dirty-unclean 2022-09-01 13:38:41 260a57537
       os: Iceman/master/v4.14831-916-g429139f17-dirty-unclean 2022-09-01 13:38:53 260a57537
  compiled with GCC 10.1.0

 [ FPGA ]
  LF image 2s30vq100 2022-03-23 17:21:05
  HF image 2s30vq100 2022-03-23 17:21:16
  HF FeliCa image 2s30vq100 2022-03-23 17:21:27
  HF 15 image 2s30vq100 2022-03-23 17:21:38

 [ Hardware ]
  --= uC: AT91SAM7S512 Rev B
  --= Embedded Processor: ARM7TDMI
  --= Internal SRAM size: 64K bytes
  --= Architecture identifier: AT91SAM7Sxx Series
  --= Embedded flash memory 512K bytes ( 59% used )

example

[usb] pm3 --> lf hid clone -w C15001 --fc 118 --cn 1603
[=] Preparing to clone HID tag
[+] [C15001  ] HID KeyScan 36-bit               FC: 118  CN: 1603  OEM: 900  parity ( ok )
[=] Done
[?] Hint: try `lf hid reader` to verify

The raw hex is written correctly but when you do a search it doesn't recognize the correct bit and wiegand format. It now displays as a possible 37-bit format, not the correct 36 bit C15001.

[usb] pm3 --> lf search

[=] NOTE: some demods output possible binary
[=] if it finds something that looks like a tag
[=] False Positives ARE possible
[=]
[=] Checking for known tags...
[=]
hid preamble detected
[+] [H10302  ] HID H10302 37-bit huge ID          CN: 32287098435  parity ( fail )
[+] [H10304  ] HID H10304 37-bit                FC: 61582  CN: 394819  parity ( fail )
[+] [P10004  ] HID P10004 37-bit PCSC           FC: 7697  CN: 221284
[+] [MDI37   ] PointGuard MDI 37-bit            FC: 12  CN: 74843715  parity ( fail )
[=] found 4 matching formats
[+] DemodBuffer:
[+] 1D555AAA5595A9A555A59569

[=] raw: 000000000000003f08ec0c86

[+] Valid HID Prox ID found!

[+] Chipset detection: T55xx
[?] Hint: try `lf t55xx` commands
[usb] pm3 -->                      

Githubby14 avatar Sep 06 '22 16:09 Githubby14