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hf mfp mad read contents by aid

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merlokk 2019-03-04 19:18:44 +02:00
commit 2c07bb790c
4 changed files with 128 additions and 20 deletions
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73
client/mifare/mad.c
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@ -134,10 +134,13 @@ uint16_t madGetAID(uint8_t *sector, int MADver, int sectorNo) {
return (sector[2 + (sectorNo - 1) * 2] << 8) + (sector[2 + (sectorNo - 1) * 2 + 1]);
}
int MAD1DecodeAndPrint(uint8_t *sector, bool verbose, bool *haveMAD2) {
int MADCheck(uint8_t *sector0, uint8_t *sector10, bool verbose, bool *haveMAD2) {
if (!sector0)
return 1;
uint8_t GPB = sector[3 * 16 + 9];
PrintAndLogEx(NORMAL, "GPB: 0x%02x", GPB);
uint8_t GPB = sector0[3 * 16 + 9];
if (verbose)
PrintAndLogEx(NORMAL, "GPB: 0x%02x", GPB);
// DA (MAD available)
if (!(GPB & 0x80)) {
@ -146,13 +149,16 @@ int MAD1DecodeAndPrint(uint8_t *sector, bool verbose, bool *haveMAD2) {
}
// MA (multi-application card)
if (GPB & 0x40)
PrintAndLogEx(NORMAL, "Multi application card.");
else
PrintAndLogEx(NORMAL, "Single application card.");
if (verbose) {
if (GPB & 0x40)
PrintAndLogEx(NORMAL, "Multi application card.");
else
PrintAndLogEx(NORMAL, "Single application card.");
}
uint8_t MADVer = GPB & 0x03;
PrintAndLogEx(NORMAL, "MAD version: %d", MADVer);
if (verbose)
PrintAndLogEx(NORMAL, "MAD version: %d", MADVer);
// MAD version
if ((MADVer != 0x01) && (MADVer != 0x02)) {
@ -163,7 +169,56 @@ int MAD1DecodeAndPrint(uint8_t *sector, bool verbose, bool *haveMAD2) {
if (haveMAD2)
*haveMAD2 = (MADVer == 2);
int res = madCRCCheck(sector, true, 1);
int res = madCRCCheck(sector0, true, 1);
if (res)
return res;
if (verbose)
PrintAndLogEx(NORMAL, "CRC8-MAD1 OK.");
if (MADVer == 2 && sector10) {
int res = madCRCCheck(sector10, true, 2);
if (res)
return res;
if (verbose)
PrintAndLogEx(NORMAL, "CRC8-MAD2 OK.");
}
return 0;
}
int MADDecode(uint8_t *sector0, uint8_t *sector10, uint16_t *mad, size_t *madlen) {
*madlen = 0;
bool haveMAD2 = false;
int res = MADCheck(sector0, sector10, false, &haveMAD2);
if (res)
return res;
for (int i = 1; i < 16; i++) {
mad[*madlen] = madGetAID(sector0, 1, i);
(*madlen)++;
}
if (haveMAD2) {
// mad2 sector (0x10 == 16dec) here
mad[*madlen] = 0x0005;
(*madlen)++;
for (int i = 1; i < 24; i++) {
mad[*madlen] = madGetAID(sector10, 2, i);
(*madlen)++;
}
}
return 0;
}
int MAD1DecodeAndPrint(uint8_t *sector, bool verbose, bool *haveMAD2) {
// check MAD1 only
int res = MADCheck(sector, NULL, verbose, haveMAD2);
if (res)
return res;