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257 lines
8.0 KiB
C
257 lines
8.0 KiB
C
//-----------------------------------------------------------------------------
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// Copyright (C) 2019 Merlok
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// MIFARE Application Directory (MAD) functions
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//-----------------------------------------------------------------------------
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#include "mad.h"
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#include "ui.h"
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#include "crc.h"
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#include "util.h"
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// https://www.nxp.com/docs/en/application-note/AN10787.pdf
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static madAIDDescr madKnownAIDs[] = {
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{0x0000, "free"},
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{0x0001, "defect, e.g. access keys are destroyed or unknown"},
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{0x0002, "reserved"},
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{0x0003, "contains additional directory info"},
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{0x0004, "contains card holder information in ASCII format."},
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{0x0005, "not applicable (above memory size)"},
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{0x03e1, "NDEF"},
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};
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static madAIDDescr madKnownClusterCodes[] = {
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{0x00, "cluster: card administration"},
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{0x01, "cluster: miscellaneous applications"},
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{0x02, "cluster: miscellaneous applications"},
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{0x03, "cluster: miscellaneous applications"},
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{0x04, "cluster: miscellaneous applications"},
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{0x05, "cluster: miscellaneous applications"},
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{0x06, "cluster: miscellaneous applications"},
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{0x07, "cluster: miscellaneous applications"},
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{0x08, "cluster: airlines"},
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{0x09, "cluster: ferry traffic"},
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{0x10, "cluster: railway services"},
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{0x11, "cluster: miscellaneous applications"},
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{0x12, "cluster: transport"},
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{0x14, "cluster: security solutions"},
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{0x18, "cluster: city traffic"},
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{0x19, "cluster: Czech Railways"},
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{0x20, "cluster: bus services"},
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{0x21, "cluster: multi modal transit"},
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{0x28, "cluster: taxi"},
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{0x30, "cluster: road toll"},
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{0x31, "cluster: generic transport"},
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{0x38, "cluster: company services"},
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{0x40, "cluster: city card services"},
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{0x47, "cluster: access control & security"},
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{0x48, "cluster: access control & security"},
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{0x49, "cluster: VIGIK"},
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{0x4A, "cluster: Ministry of Defence, Netherlands"},
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{0x4B, "cluster: Bosch Telecom, Germany"},
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{0x4C, "cluster: European Union Institutions"},
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{0x50, "cluster: ski ticketing"},
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{0x51, "cluster: access control & security"},
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{0x52, "cluster: access control & security"},
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{0x53, "cluster: access control & security"},
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{0x54, "cluster: access control & security"},
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{0x55, "cluster: SOAA standard for offline access standard"},
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{0x56, "cluster: access control & security"},
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{0x58, "cluster: academic services"},
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{0x60, "cluster: food"},
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{0x68, "cluster: non-food trade"},
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{0x70, "cluster: hotel"},
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{0x71, "cluster: loyalty"},
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{0x75, "cluster: airport services"},
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{0x78, "cluster: car rental"},
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{0x79, "cluster: Dutch government"},
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{0x80, "cluster: administration services"},
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{0x88, "cluster: electronic purse"},
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{0x90, "cluster: television"},
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{0x91, "cluster: cruise ship"},
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{0x95, "cluster: IOPTA"},
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{0x97, "cluster: metering"},
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{0x98, "cluster: telephone"},
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{0xA0, "cluster: health services"},
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{0xA8, "cluster: warehouse"},
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{0xB0, "cluster: electronic trade"},
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{0xB8, "cluster: banking"},
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{0xC0, "cluster: entertainment & sports"},
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{0xC8, "cluster: car parking"},
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{0xC9, "cluster: fleet management"},
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{0xD0, "cluster: fuel, gasoline"},
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{0xD8, "cluster: info services"},
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{0xE0, "cluster: press"},
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{0xE1, "cluster: NFC Forum"},
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{0xE8, "cluster: computer"},
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{0xF0, "cluster: mail"},
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{0xF8, "cluster: miscellaneous applications"},
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};
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static const char unknownAID[] = "";
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static const char *GetAIDDescription(uint16_t AID) {
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for (int i = 0; i < ARRAYLEN(madKnownAIDs); i++)
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if (madKnownAIDs[i].AID == AID)
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return madKnownAIDs[i].Description;
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for (int i = 0; i < ARRAYLEN(madKnownClusterCodes); i++)
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if (madKnownClusterCodes[i].AID == (AID >> 8)) // high byte - cluster code
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return madKnownClusterCodes[i].Description;
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return unknownAID;
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}
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int madCRCCheck(uint8_t *sector, bool verbose, int MADver) {
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if (MADver == 1) {
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uint8_t crc = CRC8Mad(§or[16 + 1], 15 + 16);
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if (crc != sector[16]) {
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PrintAndLogEx(WARNING, "Wrong MAD%d CRC. Calculated: 0x%02x, from card: 0x%02x", MADver, crc, sector[16]);
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return 3;
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};
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} else {
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uint8_t crc = CRC8Mad(§or[1], 15 + 16 + 16);
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if (crc != sector[0]) {
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PrintAndLogEx(WARNING, "Wrong MAD%d CRC. Calculated: 0x%02x, from card: 0x%02x", MADver, crc, sector[16]);
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return 3;
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};
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}
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return 0;
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}
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uint16_t madGetAID(uint8_t *sector, int MADver, int sectorNo) {
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if (MADver == 1)
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return (sector[16 + 2 + (sectorNo - 1) * 2] << 8) + (sector[16 + 2 + (sectorNo - 1) * 2 + 1]);
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else
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return (sector[2 + (sectorNo - 1) * 2] << 8) + (sector[2 + (sectorNo - 1) * 2 + 1]);
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}
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int MADCheck(uint8_t *sector0, uint8_t *sector10, bool verbose, bool *haveMAD2) {
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int res = 0;
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if (!sector0)
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return 1;
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uint8_t GPB = sector0[3 * 16 + 9];
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if (verbose)
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PrintAndLogEx(NORMAL, "GPB: 0x%02x", GPB);
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// DA (MAD available)
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if (!(GPB & 0x80)) {
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PrintAndLogEx(ERR, "DA=0! MAD not available.");
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return 1;
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}
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// MA (multi-application card)
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if (verbose) {
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if (GPB & 0x40)
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PrintAndLogEx(NORMAL, "Multi application card.");
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else
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PrintAndLogEx(NORMAL, "Single application card.");
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}
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uint8_t MADVer = GPB & 0x03;
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if (verbose)
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PrintAndLogEx(NORMAL, "MAD version: %d", MADVer);
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// MAD version
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if ((MADVer != 0x01) && (MADVer != 0x02)) {
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PrintAndLogEx(ERR, "Wrong MAD version: 0x%02x", MADVer);
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return 2;
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};
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if (haveMAD2)
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*haveMAD2 = (MADVer == 2);
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res = madCRCCheck(sector0, true, 1);
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if (verbose && !res)
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PrintAndLogEx(NORMAL, "CRC8-MAD1 OK.");
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if (MADVer == 2 && sector10) {
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int res2 = madCRCCheck(sector10, true, 2);
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if (!res)
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res = res2;
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if (verbose & !res2)
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PrintAndLogEx(NORMAL, "CRC8-MAD2 OK.");
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}
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return res;
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}
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int MADDecode(uint8_t *sector0, uint8_t *sector10, uint16_t *mad, size_t *madlen) {
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*madlen = 0;
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bool haveMAD2 = false;
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MADCheck(sector0, sector10, false, &haveMAD2);
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for (int i = 1; i < 16; i++) {
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mad[*madlen] = madGetAID(sector0, 1, i);
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(*madlen)++;
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}
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if (haveMAD2) {
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// mad2 sector (0x10 == 16dec) here
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mad[*madlen] = 0x0005;
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(*madlen)++;
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for (int i = 1; i < 24; i++) {
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mad[*madlen] = madGetAID(sector10, 2, i);
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(*madlen)++;
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}
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}
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return 0;
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}
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int MAD1DecodeAndPrint(uint8_t *sector, bool verbose, bool *haveMAD2) {
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// check MAD1 only
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MADCheck(sector, NULL, verbose, haveMAD2);
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// info byte
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uint8_t InfoByte = sector[16 + 1] & 0x3f;
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if (InfoByte) {
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PrintAndLogEx(NORMAL, "Card publisher sector: 0x%02x", InfoByte);
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} else {
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if (verbose)
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PrintAndLogEx(NORMAL, "Card publisher sector not present.");
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}
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if (InfoByte == 0x10 || InfoByte >= 0x28)
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PrintAndLogEx(WARNING, "Info byte error");
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PrintAndLogEx(NORMAL, "00 MAD1");
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for (int i = 1; i < 16; i++) {
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uint16_t AID = madGetAID(sector, 1, i);
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PrintAndLogEx(NORMAL, "%02d [%04X] %s", i, AID, GetAIDDescription(AID));
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};
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return 0;
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};
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int MAD2DecodeAndPrint(uint8_t *sector, bool verbose) {
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PrintAndLogEx(NORMAL, "16 MAD2");
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int res = madCRCCheck(sector, true, 2);
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if (verbose && !res)
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PrintAndLogEx(NORMAL, "CRC8-MAD2 OK.");
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uint8_t InfoByte = sector[1] & 0x3f;
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PrintAndLogEx(NORMAL, "MAD2 Card publisher sector: 0x%02x", InfoByte);
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for (int i = 1; i < 8 + 8 + 7 + 1; i++) {
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uint16_t AID = madGetAID(sector, 2, i);
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PrintAndLogEx(NORMAL, "%02d [%04X] %s", i + 16, AID, GetAIDDescription(AID));
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};
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return 0;
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};
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