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Add: 'lf fdx demod' - decoding of Bio-Thermo lf tag. Thanks to Rosco! See Destron Fearing LifeChip with Bio-Thermo technology and http://www.proxmark.org/forum/viewtopic.php?pid=38984#p38984

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iceman1001 2020-05-20 11:13:21 +02:00
commit b6d764aec9
2 changed files with 10047 additions and 19 deletions
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66
client/src/cmdlffdx.c
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@ -62,6 +62,7 @@ static int usage_lf_fdx_clone(void) {
PrintAndLogEx(NORMAL, ""); PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:"); PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf fdx clone 999 112233"); PrintAndLogEx(NORMAL, " lf fdx clone 999 112233");
PrintAndLogEx(NORMAL, " lf fdx clone 999 112233 16a");
return PM3_SUCCESS; return PM3_SUCCESS;
} }
@ -78,19 +79,34 @@ static int usage_lf_fdx_sim(void) {
PrintAndLogEx(NORMAL, ""); PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:"); PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf fdx sim 999 112233"); PrintAndLogEx(NORMAL, " lf fdx sim 999 112233");
PrintAndLogEx(NORMAL, " lf fdx sim 999 112233 16a");
return PM3_SUCCESS; return PM3_SUCCESS;
} }
// clearing the topbit needed for the preambl detection. // clearing the topbit needed for the preambl detection.
static void verify_values(uint64_t *animalid, uint32_t *countryid) { static void verify_values(uint64_t *animalid, uint32_t *countryid, uint32_t *extended) {
if ((*animalid & 0x3FFFFFFFFF) != *animalid) { if ((*animalid & 0x3FFFFFFFFF) != *animalid) {
*animalid &= 0x3FFFFFFFFF; *animalid &= 0x3FFFFFFFFF;
PrintAndLogEx(INFO, "Animal ID Truncated to 38bits: %"PRIx64, *animalid); PrintAndLogEx(INFO, "Animal ID truncated to 38bits: " _YELLOW_("%"PRIx64), *animalid);
} }
if ((*countryid & 0x3ff) != *countryid) { if ((*countryid & 0x3ff) != *countryid) {
*countryid &= 0x3ff; *countryid &= 0x3ff;
PrintAndLogEx(INFO, "Country ID Truncated to 10bits: %03d", *countryid); PrintAndLogEx(INFO, "Country ID truncated to 10bits:" _YELLOW_("%03d"), *countryid);
} }
if ((*extended & 0xfff) != *extended) {
*extended &= 0xfff;
PrintAndLogEx(INFO, "Extended truncated to 24bits: " _YELLOW_("0x%03X"), *extended);
}
}
static inline uint32_t bitcount(uint32_t a) {
#if defined __GNUC__
return __builtin_popcountl(a);
#else
a = a - ((a >> 1) & 0x55555555);
a = (a & 0x33333333) + ((a >> 2) & 0x33333333);
return (((a + (a >> 4)) & 0x0f0f0f0f) * 0x01010101) >> 24;
#endif
} }
// FDX-B ISO11784/85 demod (aka animal tag) BIPHASE, inverted, rf/32, with preamble of 00000000001 (128bits) // FDX-B ISO11784/85 demod (aka animal tag) BIPHASE, inverted, rf/32, with preamble of 00000000001 (128bits)
@ -187,9 +203,7 @@ static int CmdFDXBdemodBI(const char *Cmd) {
//see ASKDemod for what args are accepted //see ASKDemod for what args are accepted
//almost the same demod as cmddata.c/CmdFDXBdemodBI //almost the same demod as cmddata.c/CmdFDXBdemodBI
static int CmdFdxDemod(const char *Cmd) { int demodFDX(void) {
(void)Cmd; // Cmd is not used so far
//Differential Biphase / di-phase (inverted biphase) //Differential Biphase / di-phase (inverted biphase)
//get binary from ask wave //get binary from ask wave
if (ASKbiphaseDemod("0 32 1 100", false) != PM3_SUCCESS) { if (ASKbiphaseDemod("0 32 1 100", false) != PM3_SUCCESS) {
@ -234,8 +248,8 @@ static int CmdFdxDemod(const char *Cmd) {
num_to_bytes(rawid, 8, raw); num_to_bytes(rawid, 8, raw);
PrintAndLogEx(SUCCESS, "\nFDX-B / ISO 11784/5 Animal Tag ID Found: Raw : %s", sprint_hex(raw, 8)); PrintAndLogEx(SUCCESS, "\nFDX-B / ISO 11784/5 Animal Tag ID Found: Raw : %s", sprint_hex(raw, 8));
PrintAndLogEx(SUCCESS, "Animal ID %04u-%012" PRIu64, countryCode, NationalCode); PrintAndLogEx(SUCCESS, "Animal ID " _GREEN_("%04u-%012"PRIu64), countryCode, NationalCode);
PrintAndLogEx(SUCCESS, "National Code %012" PRIu64 " (0x%" PRIx64 ")", NationalCode, NationalCode); PrintAndLogEx(SUCCESS, "National Code " _GREEN_("%012" PRIu64) " (0x%" PRIx64 ")", NationalCode, NationalCode);
PrintAndLogEx(SUCCESS, "Country Code %04u", countryCode); PrintAndLogEx(SUCCESS, "Country Code %04u", countryCode);
PrintAndLogEx(SUCCESS, "Reserved/RFU %u (0x04%X)", reservedCode, reservedCode); PrintAndLogEx(SUCCESS, "Reserved/RFU %u (0x04%X)", reservedCode, reservedCode);
PrintAndLogEx(SUCCESS, "Animal Tag %s", animalBit ? _YELLOW_("True") : "False"); PrintAndLogEx(SUCCESS, "Animal Tag %s", animalBit ? _YELLOW_("True") : "False");
@ -243,7 +257,7 @@ static int CmdFdxDemod(const char *Cmd) {
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, sizeof(raw), &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"));
if (g_debugMode) { if (g_debugMode) {
PrintAndLogEx(DEBUG, "Start marker %d; Size %zu", preambleIndex, size); PrintAndLogEx(DEBUG, "Start marker %d; Size %zu", preambleIndex, size);
@ -251,12 +265,30 @@ static int CmdFdxDemod(const char *Cmd) {
PrintAndLogEx(DEBUG, "DEBUG bin stream:\n%s", bin); PrintAndLogEx(DEBUG, "DEBUG bin stream:\n%s", bin);
} }
uint8_t bt_par = (extended & 0x100) >> 8;
uint8_t bt_temperature = extended & 0xff;
uint8_t bt_calc_parity = (bitcount(bt_temperature) & 0x1) ? 0 : 1;
uint8_t is_bt_temperature = (bt_calc_parity == bt_par) && !(extended & 0xe00) ;
if (is_bt_temperature) {
float bt_F = 74 + bt_temperature * 0.2;
float bt_C = (bt_F - 32) / 1.8;
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(SUCCESS, "Bio-Thermo detected");
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;
return PM3_SUCCESS; return PM3_SUCCESS;
} }
static int CmdFdxDemod(const char *Cmd) {
(void)Cmd; // Cmd is not used so far
return demodFDX();
}
static int CmdFdxRead(const char *Cmd) { static int CmdFdxRead(const char *Cmd) {
lf_read(false, 10000); lf_read(false, 10000);
return CmdFdxDemod(Cmd); return CmdFdxDemod(Cmd);
@ -272,9 +304,9 @@ static int CmdFdxClone(const char *Cmd) {
countryid = param_get32ex(Cmd, 0, 0, 10); countryid = param_get32ex(Cmd, 0, 0, 10);
animalid = param_get64ex(Cmd, 1, 0, 10); animalid = param_get64ex(Cmd, 1, 0, 10);
extended = param_get32ex(Cmd, 2, 0, 10); extended = param_get32ex(Cmd, 2, 0, 16);
verify_values(&animalid, &countryid); verify_values(&animalid, &countryid, &extended);
uint8_t *bits = calloc(128, sizeof(uint8_t)); uint8_t *bits = calloc(128, sizeof(uint8_t));
@ -298,7 +330,7 @@ static int CmdFdxClone(const char *Cmd) {
free(bits); free(bits);
PrintAndLogEx(INFO, "Preparing to clone FDX-B to T55x7 with animal ID: %04u-%"PRIu64, countryid, animalid); PrintAndLogEx(INFO, "Preparing to clone FDX-B to T55x7 with animal ID: " _GREEN_("%04u-%"PRIu64)" (extended 0x%X)", countryid, animalid, extended);
print_blocks(blocks, ARRAYLEN(blocks)); print_blocks(blocks, ARRAYLEN(blocks));
int res = clone_t55xx_tag(blocks, ARRAYLEN(blocks)); int res = clone_t55xx_tag(blocks, ARRAYLEN(blocks));
@ -316,11 +348,11 @@ static int CmdFdxSim(const char *Cmd) {
countryid = param_get32ex(Cmd, 0, 0, 10); countryid = param_get32ex(Cmd, 0, 0, 10);
animalid = param_get64ex(Cmd, 1, 0, 10); animalid = param_get64ex(Cmd, 1, 0, 10);
extended = param_get32ex(Cmd, 2, 0, 10); extended = param_get32ex(Cmd, 2, 0, 16);
verify_values(&animalid, &countryid); verify_values(&animalid, &countryid, &extended);
PrintAndLogEx(SUCCESS, "Simulating FDX-B animal ID: %04u-%"PRIu64, countryid, animalid); PrintAndLogEx(SUCCESS, "Simulating FDX-B animal ID: " _GREEN_("%04u-%"PRIu64)" (extended 0x%X)", countryid, animalid, extended);
//getFDXBits(uint64_t national_id, uint16_t country, uint8_t isanimal, uint8_t isextended, uint32_t extended, uint8_t *bits) //getFDXBits(uint64_t national_id, uint16_t country, uint8_t isanimal, uint8_t isextended, uint32_t extended, uint8_t *bits)
uint8_t *bits = calloc(128, sizeof(uint8_t)); uint8_t *bits = calloc(128, sizeof(uint8_t));
@ -389,10 +421,6 @@ int detectFDXB(uint8_t *dest, size_t *size) {
return (int)startIdx; return (int)startIdx;
} }
int demodFDX(void) {
return CmdFdxDemod("");
}
int getFDXBits(uint64_t national_id, uint16_t country, uint8_t is_animal, uint8_t is_extended, uint32_t extended, uint8_t *bits) { int getFDXBits(uint64_t national_id, uint16_t country, uint8_t is_animal, uint8_t is_extended, uint32_t extended, uint8_t *bits) {
// add preamble ten 0x00 and one 0x01 // add preamble ten 0x00 and one 0x01

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traces/lf_fdx_biothermo.pm3 Normal file
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