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https://github.com/RfidResearchGroup/proxmark3.git
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CHG: Now it prints the correct UID bytes etc.
This commit is contained in:
iceman1001
parent
0a856e292a
commit
2d1885f1d1
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@ -54,7 +54,7 @@ int GetNedapBits(uint32_t cn, uint8_t *nedapBits) {
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//----from this part, the UID in clear text, with a 1bit ZERO as separator between bytes.
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pre[64] = 0;
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// cardnumber
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// cardnumber (uid)
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num_to_bytebits(cn, 24, pre+64);
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pre[73] = 0;
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@ -70,10 +70,14 @@ int GetNedapBits(uint32_t cn, uint8_t *nedapBits) {
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//1111111110001011010000010110100011001001000010110101001101011001000110011010010000000000100001110001001000000001000101011100111
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return 1;
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}
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/*
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- UID: 001630
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- i: 4071
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- Checksum2 BE21
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*/
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//GetParity( uint8_t *bits, uint8_t type, int length)
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//NEDAP demod - ASK/Biphase, RF/64 with preamble of 1111111110 (always a 128 bit data stream)
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//NEDAP demod - ASK/Biphase (or Diphase), RF/64 with preamble of 1111111110 (always a 128 bit data stream)
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//print NEDAP Prox ID, encoding, encrypted ID,
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int CmdLFNedapDemod(const char *Cmd) {
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@ -91,13 +95,13 @@ int CmdLFNedapDemod(const char *Cmd) {
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int idx = NedapDemod(DemodBuffer, &size);
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if (idx < 0){
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if (g_debugMode){
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if (idx == -5)
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PrintAndLog("DEBUG: Error - not enough samples");
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else if (idx == -1)
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PrintAndLog("DEBUG: Error - only noise found");
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else if (idx == -2)
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PrintAndLog("DEBUG: Error - problem during ASK/Biphase demod");
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else if (idx == -3)
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// if (idx == -5)
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// PrintAndLog("DEBUG: Error - not enough samples");
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// else if (idx == -1)
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// PrintAndLog("DEBUG: Error - only noise found");
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// else if (idx == -2)
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// PrintAndLog("DEBUG: Error - problem during ASK/Biphase demod");
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if (idx == -3)
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PrintAndLog("DEBUG: Error - Size not correct: %d", size);
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else if (idx == -4)
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PrintAndLog("DEBUG: Error - NEDAP preamble not found");
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@ -107,10 +111,21 @@ int CmdLFNedapDemod(const char *Cmd) {
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return 0;
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}
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/* Index map O
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/* Index map E E
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preamble enc tag type encrypted uid P d 33 d 90 d 04 d 71 d 40 d 45 d E7 P
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1111111110 00101101000001011010001100100100001011010100110101100 1 0 00110011 0 10010000 0 00000100 0 01110001 0 01000000 0 01000101 0 11100111 1
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uid2 uid1 uid0 I I R R
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1111111110 00101101000001011010001100100100001011010100110101100 1
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0 00110011
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0 10010000
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0 00000100
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0 01110001
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0 01000000
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0 01000101
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0 11100111
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1
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Tag ID is 049033
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I = Identical on all tags
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R = Random ?
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@ -118,52 +133,74 @@ int CmdLFNedapDemod(const char *Cmd) {
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*/
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//get raw ID before removing parities
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uint32_t rawLo = bytebits_to_byte(DemodBuffer+idx+96,32);
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uint32_t rawHi = bytebits_to_byte(DemodBuffer+idx+64,32);
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uint32_t rawHi2 = bytebits_to_byte(DemodBuffer+idx+32,32);
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uint32_t rawHi3 = bytebits_to_byte(DemodBuffer+idx,32);
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uint32_t raw[4] = {0,0,0,0};
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raw[0] = bytebits_to_byte(DemodBuffer+idx+96,32);
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raw[1] = bytebits_to_byte(DemodBuffer+idx+64,32);
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raw[2] = bytebits_to_byte(DemodBuffer+idx+32,32);
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raw[3] = bytebits_to_byte(DemodBuffer+idx,32);
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setDemodBuf(DemodBuffer,128,idx);
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// here 62 is length.
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uint8_t first63bit_parity = GetParity( DemodBuffer, ODD, 62);
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// Parity bits: 0-62 == 63
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// here 62 is pos in a zero based array
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if ( first63bit_parity != DemodBuffer[62] ) {
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PrintAndLog("1st half parity check failed: %d | %d ", DemodBuffer[62], first63bit_parity);
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return 0;
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uint8_t firstParity = GetParity( DemodBuffer, EVEN, 63);
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if ( firstParity != DemodBuffer[63] ) {
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PrintAndLog("1st 64bit parity check failed: %d|%d ", DemodBuffer[63], firstParity);
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//return 0;
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}
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// uint8_t second63bit_parity = GetParity( DemodBuffer+64, ODD, 63);
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// if ( second63bit_parity != DemodBuffer[127] ) {
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// PrintAndLog("2st half parity check failed: %d | %d ", DemodBuffer[127], second63bit_parity);
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uint8_t secondParity = GetParity( DemodBuffer+64, EVEN, 63);
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if ( secondParity != DemodBuffer[127] ) {
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PrintAndLog("2st 64bit parity check failed: %d|%d ", DemodBuffer[127], secondParity);
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//return 0;
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// }
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}
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// ok valid card found!
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uint32_t cardnum = bytebits_to_byte(DemodBuffer+81, 16);
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PrintAndLog("NEDAP ID Found - Card: %d - Raw: %08x%08x%08x%08x", cardnum, rawHi3, rawHi2, rawHi, rawLo);
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uint32_t uid = 0;
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uid = bytebits_to_byte(DemodBuffer+65, 8);
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uid |= bytebits_to_byte(DemodBuffer+74, 8) << 8;
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uid |= bytebits_to_byte(DemodBuffer+83, 8) << 16;
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uint16_t two = 0;
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two = bytebits_to_byte(DemodBuffer+92, 8);
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two |= bytebits_to_byte(DemodBuffer+101, 8) << 8;
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uint16_t chksum2 = 0;
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chksum2 = bytebits_to_byte(DemodBuffer+110, 8);
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chksum2 |= bytebits_to_byte(DemodBuffer+119, 8) << 8;
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PrintAndLog("NEDAP ID Found - Raw: %08x%08x%08x%08x", raw[3], raw[2], raw[1], raw[0]);
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PrintAndLog(" - UID: %06X", uid);
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PrintAndLog(" - i: %04X", two);
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PrintAndLog(" - Checksum2 %04X", chksum2);
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if (g_debugMode){
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PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128);
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printDemodBuff();
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PrintAndLog("BIN:\n%s", sprint_bin_break( DemodBuffer, 128, 64) );
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}
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PrintAndLog("BIN: %s", sprint_bin_break( DemodBuffer, 64, 64) );
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return 1;
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}
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/*
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configuration
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lf t55xx wr b 0 d 00170082
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1) uid 049033
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lf t55 wr b 1 d FF8B4168
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lf t55 wr b 2 d C90B5359
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lf t55 wr b 3 d 19A40087
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lf t55 wr b 4 d 120115CF
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0)
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2) uid 001630
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lf t55 wr b 1 d FF8B6B20
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lf t55 wr b 2 d F19B84A3
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lf t55 wr b 3 d 18058007
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lf t55 wr b 4 d 1200857C
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3) uid 39feff
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lf t55xx wr b 1 d ffbfa73e
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lf t55xx wr b 2 d 4c0003ff
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lf t55xx wr b 3 d ffbfa73e
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lf t55xx wr b 4 d 4c0003ff
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*/
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int CmdLFNedapRead(const char *Cmd) {
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