RfidResearchGroup/proxmark3
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Merge pull request #64 from merlokk/trailer_decode

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Trailer decode
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Iceman 2018-11-30 14:08:25 +01:00 committed by GitHub
commit 71435fb824
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2 changed files with 26 additions and 3 deletions
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1
CHANGELOG.md
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@ -87,6 +87,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
- Added `hf emv scan` - save card's data to json file (@merlokk)
- Added `hf emv` `gpo`, `readrec`, `genac`, `challenge`, `intauth` - separate commands from `hf emc exec` (@merlokk)
- Added `hf fido` `assert` and `make` commands from fido2 protocol (authenticatorMakeCredential and authenticatorGetAssertion) (@merlokk)
- Added trailer block decoding to `hf mf rdbl` and `hf mf cgetbl` (@merlokk)
### Fixed
- Changed driver file proxmark3.inf to support both old and new Product/Vendor IDs (piwi)

28
client/cmdhfmf.c
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@ -545,14 +545,25 @@ int CmdHF14AMfRdBl(const char *Cmd) {
uint8_t isOK = resp.arg[0] & 0xff;
uint8_t *data = resp.d.asBytes;
if (isOK)
if (isOK) {
PrintAndLogEx(NORMAL, "isOk:%02x data:%s", isOK, sprint_hex(data, 16));
else
} else {
PrintAndLogEx(NORMAL, "isOk:%02x", isOK);
return 1;
}
if (mfIsSectorTrailer(blockNo) && (data[6] || data[7] || data[8])) {
PrintAndLogEx(NORMAL, "Trailer decoded:");
for (int i = 0; i < 4; i++) {
PrintAndLogEx(NORMAL, "Access block %d: %s", i + mfFirstBlockOfSector(mfSectorNum(blockNo)), mfGetAccessConditionsDesc(i, &data[6]));
}
PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&data[9], 1));
}
} else {
PrintAndLogEx(WARNING, "Command execute timeout");
return 2;
}
return 0;
}
@ -2759,6 +2770,17 @@ int CmdHF14AMfCGetBlk(const char *Cmd) {
}
PrintAndLogEx(NORMAL, "data: %s", sprint_hex(data, sizeof(data)));
if (mfIsSectorTrailer(blockNo)) {
PrintAndLogEx(NORMAL, "Trailer decoded:");
PrintAndLogEx(NORMAL, "Key A: %s", sprint_hex_inrow(data, 6));
PrintAndLogEx(NORMAL, "Key B: %s", sprint_hex_inrow(&data[10], 6));
for (int i = 0; i < 4; i++) {
PrintAndLogEx(NORMAL, "Access block %d: %s", i + mfFirstBlockOfSector(mfSectorNum(blockNo)), mfGetAccessConditionsDesc(i, &data[6]));
}
PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&data[9], 1));
}
return 0;
}