github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-22 06:13:51 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

modified lf fdx demod, different text style and raw now shows all bytes not just crc bytes

Browse source
This commit is contained in:
iceman1001 2023-12-09 10:18:44 +01:00
commit 9075984c7f
2 changed files with 29 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

1
CHANGELOG.md
View file

@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log... This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
## [unreleased][unreleased] ## [unreleased][unreleased]
- Changed `lf fdx demod` - now raw bytes shows all data (@iceman1001)
- Changed `data num` - now can print reversed and inverse (@iceman1001) - Changed `data num` - now can print reversed and inverse (@iceman1001)
- Fixed `hf mf sim -ix` never returning console (@datatags) - Fixed `hf mf sim -ix` never returning console (@datatags)
- Added standalone mode `hf_unisniff` combining 14a/14b/15 sniffing with extra flash save options (@hazardousvoltage) - Added standalone mode `hf_unisniff` combining 14a/14b/15 sniffing with extra flash save options (@hazardousvoltage)

45
client/src/cmdlffdxb.c
View file

@ -494,6 +494,7 @@ int demodFDXB(bool verbose) {
PrintAndLogEx(DEBUG, "DEBUG: Error - FDX-B ASKbiphaseDemod failed"); PrintAndLogEx(DEBUG, "DEBUG: Error - FDX-B ASKbiphaseDemod failed");
return PM3_ESOFT; return PM3_ESOFT;
} }
size_t size = g_DemodBufferLen; size_t size = g_DemodBufferLen;
int preambleIndex = detectFDXB(g_DemodBuffer, &size); int preambleIndex = detectFDXB(g_DemodBuffer, &size);
if (preambleIndex < 0) { if (preambleIndex < 0) {
@ -513,7 +514,6 @@ int demodFDXB(bool verbose) {
setDemodBuff(g_DemodBuffer, 128, preambleIndex); setDemodBuff(g_DemodBuffer, 128, preambleIndex);
setClockGrid(g_DemodClock, g_DemodStartIdx + (preambleIndex * g_DemodClock)); setClockGrid(g_DemodClock, g_DemodStartIdx + (preambleIndex * g_DemodClock));
// remove marker bits (1's every 9th digit after preamble) (pType = 2) // remove marker bits (1's every 9th digit after preamble) (pType = 2)
size = removeParity(g_DemodBuffer, 11, 9, 2, 117); size = removeParity(g_DemodBuffer, 11, 9, 2, 117);
if (size != 104) { if (size != 104) {
@ -559,31 +559,35 @@ int demodFDXB(bool verbose) {
offset += 16; offset += 16;
uint32_t extended = bytebits_to_byteLSBF(g_DemodBuffer + offset, 24); uint32_t extended = bytebits_to_byteLSBF(g_DemodBuffer + offset, 24);
uint64_t rawid = (uint64_t)(bytebits_to_byte(g_DemodBuffer, 32)) << 32 | bytebits_to_byte(g_DemodBuffer + 32, 32); uint8_t raw[13] = {0};
uint8_t raw[8]; for (int i = 0; i < sizeof(raw); i++) {
num_to_bytes(rawid, 8, raw); raw[i] = bytebits_to_byte(g_DemodBuffer + (i * 8), 8);
}
if (!verbose) { if (verbose == false) {
PROMPT_CLEARLINE; PROMPT_CLEARLINE;
PrintAndLogEx(SUCCESS, "Animal ID " _GREEN_("%04u-%012"PRIu64), countryCode, NationalCode); PrintAndLogEx(SUCCESS, "Animal ID........... " _GREEN_("%04u-%012"PRIu64), countryCode, NationalCode);
return PM3_SUCCESS; return PM3_SUCCESS;
} }
PrintAndLogEx(SUCCESS, "FDX-B / ISO 11784/5 Animal");
PrintAndLogEx(SUCCESS, "Animal ID " _GREEN_("%03u-%012"PRIu64), countryCode, NationalCode);
PrintAndLogEx(SUCCESS, "National Code " _GREEN_("%012" PRIu64) " (0x%" PRIX64 ")", NationalCode, NationalCode);
PrintAndLogEx(SUCCESS, "Country Code " _GREEN_("%03u") " - %s", countryCode, mapFDBX(countryCode));
PrintAndLogEx(SUCCESS, "Reserved/RFU %u (0x%04X)", reservedCode, reservedCode);
PrintAndLogEx(SUCCESS, " Animal bit set? %s", animalBit ? _YELLOW_("True") : "False");
PrintAndLogEx(SUCCESS, " Data block? %s [value 0x%X]", dataBlockBit ? _YELLOW_("True") : "False", extended);
PrintAndLogEx(SUCCESS, " RUDI bit? %s", rudiBit ? _YELLOW_("True") " (advanced transponder)" : "False");
PrintAndLogEx(SUCCESS, " User Info? %u %s", userInfo, userInfo == 0 ? "(RFU)" : "");
PrintAndLogEx(SUCCESS, " Replacement No? %u %s", replacementNr, replacementNr == 0 ? "(RFU)" : "");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(SUCCESS, _CYAN_("FDX-B / ISO 11784/5 Animal"));
PrintAndLogEx(SUCCESS, "Animal ID......... " _GREEN_("%03u-%012"PRIu64), countryCode, NationalCode);
PrintAndLogEx(SUCCESS, "National Code..... " _GREEN_("%012" PRIu64) " ( 0x%" PRIX64 " )", NationalCode, NationalCode);
PrintAndLogEx(SUCCESS, "Country Code...... " _GREEN_("%03u") " - %s", countryCode, mapFDBX(countryCode));
PrintAndLogEx(SUCCESS, "Reserved/RFU...... %u (0x%04X)", reservedCode, reservedCode);
PrintAndLogEx(SUCCESS, "Animal bit set?... %s", animalBit ? _YELLOW_("True") : "False");
PrintAndLogEx(SUCCESS, "Data block?....... %s ( 0x%X )", dataBlockBit ? _YELLOW_("True") : "False", extended);
PrintAndLogEx(SUCCESS, "RUDI bit?......... %s", rudiBit ? _YELLOW_("True") " ( advanced transponder )" : "False");
PrintAndLogEx(SUCCESS, "User Info?........ %u %s", userInfo, (userInfo == 0) ? "( RFU )" : "");
PrintAndLogEx(SUCCESS, "Replacement No?... %u %s", replacementNr, replacementNr == 0 ? "( RFU )" : "");
// crc only calculated over NORMAL data (8 bytes)
uint8_t c[] = {0, 0}; uint8_t c[] = {0, 0};
compute_crc(CRC_11784, raw, sizeof(raw), &c[0], &c[1]); compute_crc(CRC_11784, raw, 8, &c[0], &c[1]);
PrintAndLogEx(SUCCESS, "CRC-16 0x%04X ( %s )", crc, (crc == (c[1] << 8 | c[0])) ? _GREEN_("ok") : _RED_("fail")); PrintAndLogEx(SUCCESS, "CRC-16............ 0x%04X ( %s )", crc, (crc == (c[1] << 8 | c[0])) ? _GREEN_("ok") : _RED_("fail"));
// iceman: crc doesn't protect the extended data? // iceman: crc doesn't protect the extended data?
PrintAndLogEx(SUCCESS, "Raw " _GREEN_("%s"), sprint_hex(raw, 8)); PrintAndLogEx(SUCCESS, "Raw............... " _GREEN_("%s"), sprint_hex(raw, sizeof(raw)));
if (g_debugMode) { if (g_debugMode) {
PrintAndLogEx(DEBUG, "Start marker %d; Size %zu", preambleIndex, size); PrintAndLogEx(DEBUG, "Start marker %d; Size %zu", preambleIndex, size);
@ -601,12 +605,13 @@ int demodFDXB(bool verbose) {
float bt_C = (bt_F - 32) / 1.8; float bt_C = (bt_F - 32) / 1.8;
PrintAndLogEx(NORMAL, ""); PrintAndLogEx(NORMAL, "");
PrintAndLogEx(SUCCESS, "Bio-Thermo detected"); PrintAndLogEx(SUCCESS, "Bio-Thermo detected");
PrintAndLogEx(INFO, " temperature " _GREEN_("%.1f")" F / " _GREEN_("%.1f") " C", bt_F, bt_C); PrintAndLogEx(INFO, " temperature... " _GREEN_("%.1f")" F / " _GREEN_("%.1f") " C", bt_F, bt_C);
} }
// set block 0 for later // set block 0 for later
//g_DemodConfig = T55x7_MODULATION_DIPHASE | T55x7_BITRATE_RF_32 | 4 << T55x7_MAXBLOCK_SHIFT; //g_DemodConfig = T55x7_MODULATION_DIPHASE | T55x7_BITRATE_RF_32 | 4 << T55x7_MAXBLOCK_SHIFT;
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS; return PM3_SUCCESS;
} }