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Hello boys and girls ,
today we were tring to write data on a SRIX4K
--- hf se
14443-3b ST tag found:
UID: d0 02 0xxxxxxxxxxxxxxxxxxxxx
MFG: 02, ST Microelectronics SA France
Chip: 00, SRIX4K (Special)
Chip Write Protection Bits:
raw: 11111110
07/08: locked
09: not locked
10: not locked
11: not locked
12: not locked
13: not locked
14: not locked
15: not locked
Valid ISO14443B Tag Found - Quiting Search
so i began to read the help comands and launched srix4kread to read the card and did some diffs between recharging the key with money.
proxmark3> hf 14b srix4kread
#db# Randomly generated Chip ID (+ 2 byte CRC): 92 e3 47
#db# Now SELECT tag:
#db# Tag UID (64 bits): d0020184 xxxxxxxxxx
#db# Tag memory dump, block 0 to 127
#db# Address=00, Contents=ffffffff, CRC=470f
#db# Address=01, Contents=ffffffff, CRC=470f
#db# Address=02, Contents=ffffffff, CRC=470f
#db# Address=03, Contents=ffffffff, CRC=470f
#db# Address=04, Contents=ffffffff, CRC=470f
#db# Address=05, Contents=fffffffe, CRC=fc13
#db# Address=06, Contents=fffffff0, CRC=bebd
#db# Address=07, Contents=55829360, CRC=73b9
#db# Address=08, Contents=02180320, CRC=aae4
#db# Address=09, Contents=ffffffff, CRC=470f
#db# Address=0a, Contents=ffffffff, CRC=470f
#db# Address=0b, Contents=ffffffff, CRC=470f
#db# Address=0c, Contents=ffffffff, CRC=470f
#db# Address=0d, Contents=ffffffff, CRC=470f
#db# Address=0e, Contents=ffffffff, CRC=470f
#db# Address=0f, Contents=ffffffff, CRC=470f
#db# Address=10, Contents=798460cd, CRC=2f4c
#db# Address=11, Contents=558293ce, CRC=0cb5
#db# Address=12, Contents=0f0000de, CRC=1352
#db# Address=13, Contents=130004e4, CRC=c37b
#db# Address=14, Contents=798460c9, CRC=c33e
#db# Address=15, Contents=558293ca, CRC=e0c7
#db# Address=16, Contents=0f0000da, CRC=ff20
#db# Address=17, Contents=130004e0, CRC=2f09
#db# Address=18, Contents=008946c0, CRC=7c4c
#db# Address=19, Contents=0b444bc1, CRC=b96b
.....
i have found that every time i put the money on the key 10 rows changed , so not knowing witch one to change i tried to launch
proxmark3> hf 14b sriwrite 1 0a 02180320
[SRIX4K] Write block 0A [ 02 18 03 20 ]
received 0 octets
i recived 0 octets and no data changed on the card.
Can someone tell me what is wrong and maybe tell me what does CRC is used for?
Thanks to everyone.
Last edited by apotere (2019-02-07 09:01:14)
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Can someone please help?
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Hello,
I am in the same situation with ISO14443B SRT512 chips and the command hf 14b sri512***.
I can read the content, no sector seem locked, the write instruction is successful but the data do not change...
I tried the iceman fork without more success.
I keep digging on this
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What commands you have to give with the proxmark3 test to read a card 14443B
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