71 lines
2.3 KiB
Python
71 lines
2.3 KiB
Python
from mfrc522 import MFRC522
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from RfidAccess import RfidAccess
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import utime
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reader = MFRC522(spi_id=0,sck=2,miso=4,mosi=3,cs=1,rst=0)
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access = RfidAccess()
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print("")
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print("Please place card on reader")
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print("")
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PreviousCard = [0]
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try:
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while True:
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reader.init()
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(stat, tag_type) = reader.request(reader.REQIDL)
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if stat == reader.OK:
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(stat, uid) = reader.SelectTagSN()
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if uid == PreviousCard:
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continue
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if stat == reader.OK:
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print("Card detected {} uid={}".format(hex(int.from_bytes(bytes(uid),"little",False)).upper(),reader.tohexstring(uid)))
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firstSectorKey = [0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5]
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nextSectorKey = [0xD3, 0xF7, 0xD3, 0xF7, 0xD3, 0xF7]
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defaultKey = [255,255,255,255,255,255]
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# set default access
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access.decodeAccess(0xff,0x07,0x80)
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block3 = access.fillBlock3(keyA=defaultKey,keyB=defaultKey)
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print("Reset Mad Sector (first sector)")
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#reset first sector
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reader.writeSectorBlock(uid,0,3,block3,keyB=defaultKey)
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#erase block1 and 2
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datablock = 16 * [0]
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reader.writeSectorBlock(uid,0,1,datablock,keyB=defaultKey)
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reader.writeSectorBlock(uid,0,2,datablock,keyB=defaultKey)
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#reset all other sectors
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for s in range(1,16):
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# permission to default
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print("Reset sector ",s)
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reader.writeSectorBlock(uid,s,3,block3,keyB=defaultKey)
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for b in range(3):
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# put all data to zero block 0,1 and 2
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reader.writeSectorBlock(uid,s,b,datablock,keyB=defaultKey)
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# ok dump new data
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print("\n---- Dump card using defaultkeyB [0xff, 0xff, 0xff, 0xff, 0xff, 0xff]\n")
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reader.MFRC522_DumpClassic1K(uid, Start=0, End=64, keyB=defaultKey)
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PreviousCard = uid
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break
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else:
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pass
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#print("Authentication error")
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else:
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PreviousCard=[0]
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utime.sleep_ms(50)
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except KeyboardInterrupt:
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print("Bye")
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print("Card done!")
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