// 1 = read
// 0 = write
// Quite simpel tag
-void annotateLegic(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
-
- if ( cmdsize > 1) {
- switch(cmd[0]) {
- case LEGIC_READ :snprintf(exp, size, "READ Byte(%d)", cmd[1]);break;
- case LEGIC_WRITE :snprintf(exp, size, "WRITE Byte(%d)", cmd[1]);break;
- default :snprintf(exp, size, "?"); break;
- }
- } else {
- switch(cmd[0]) {
- case LEGIC_HSK :snprintf(exp, size, "END Handshake");break;
- default :snprintf(exp, size, "?"); break;
- }
+void annotateLegic(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
+ uint8_t bitsend = cmd[0];
+ switch (bitsend){
+ case 7:
+ snprintf(exp, size, "IV 0x%02X", cmd[1]);
+ break;
+ case 6: {
+ switch ( cmd[1] ) {
+ case LEGIC_MIM_22: snprintf(exp, size, "MIM22"); break;
+ case LEGIC_MIM_256: snprintf(exp, size, "MIM256"); break;
+ case LEGIC_MIM_1024: snprintf(exp, size, "MIM1024"); break;
+ case LEGIC_ACK_22: snprintf(exp, size, "ACK 22"); break;
+ case LEGIC_ACK_256: snprintf(exp, size, "ACK 256/1024"); break;
+ }
+ break;
+ }
+ case 9:
+ case 11: {
+ uint8_t cmdBit = (cmd[1] & 1);
+ uint16_t address = (cmd[2] << 7) | cmd[1] >> 1;
+
+ if (cmdBit == LEGIC_READ)
+ snprintf(exp, size, "READ Byte(%d)", address);
+
+ if (cmdBit == LEGIC_WRITE )
+ snprintf(exp, size, "WRITE Byte(%d)", address);
+ break;
+ }
+ case 12:
+ default:
+ break;
}
}
}
}
-uint8_t legic_CRC_check(bool isResponse, uint8_t* data, uint8_t len){
- if (len > 2) return 2;
-
- uint8_t calccrc = CRC8Legic(data, len);
-
- return 0;
- // crc_init(&legic_crc, 4, 0x19 >> 1, 0x5, 0);
- // crc_clear(&legic_crc);
- // crc_update(&legic_crc, 1, 1); /* CMD_READ */
- // crc_update(&legic_crc, byte_index, cmd_sz-1);
- // crc_update(&legic_crc, value, 8);
- // return crc_finish(&legic_crc);
-}
-
bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
{
return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
default:
break;
}
- } else if ( data_len == 2 && protocol == LEGIC ){
- crcStatus = legic_CRC_check(isResponse, frame, data_len);
}
//0 CRC-command, CRC not ok
//1 CRC-command, CRC ok
oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
}
uint8_t parityBits = parityBytes[j>>3];
- if (protocol != ISO_14443B && protocol != ISO_7816_4 && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
+ if (protocol != LEGIC && protocol != ISO_14443B && protocol != ISO_7816_4 && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
-
} else {
snprintf(line[j/16]+(( j % 16) * 4),110, "%02x ", frame[j]);
}
}
}
- if (data_len == 0 )
+ if (data_len == 0 ) {
sprintf(line[0],"<empty trace - possible error>");
+ return tracepos;
+ }
- //--- Draw the CRC column
+ // Draw the CRC column
char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
EndOfTransmissionTimestamp = timestamp + duration;
+ // Always annotate LEGIC read/tag
+ if ( protocol == LEGIC )
+ annotateLegic(explanation,sizeof(explanation),frame,data_len);
+
if (!isResponse) {
switch(protocol) {
case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
case ISO_7816_4: annotateIso7816(explanation,sizeof(explanation),frame,data_len); break;
- case LEGIC: annotateLegic(explanation,sizeof(explanation),frame,data_len); break;
+
default: break;
}
}
int num_lines = MIN((data_len - 1)/16 + 1, 16);
for (int j = 0; j < num_lines ; j++) {
if (j == 0) {
- PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
+ PrintAndLog(" %10u | %10u | %s |%-64s | %s| %s",
(timestamp - first_timestamp),
(EndOfTransmissionTimestamp - first_timestamp),
(isResponse ? "Tag" : "Rdr"),
if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
- PrintAndLog(" %10d | %10d | %s |fdt (Frame Delay Time): %d",
+ PrintAndLog(" %10u | %10u | %s |fdt (Frame Delay Time): %d",
(EndOfTransmissionTimestamp - first_timestamp),
(next_timestamp - first_timestamp),
" ",
PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
PrintAndLog("");
PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
- PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
- PrintAndLog("iClass - Timings are not as accurate");
+ if ( protocol == ISO_14443A )
+ PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
+ if ( protocol == ICLASS )
+ PrintAndLog("iClass - Timings are not as accurate");
+ if ( protocol == LEGIC )
+ PrintAndLog("LEGIC - Timings are in ticks (1us == 1.5ticks)");
PrintAndLog("");
PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
PrintAndLog("\nValid Topaz Tag Found - Quiting Search\n");
return 1;
}
+ ans = HFLegicReader("", false);
+ if ( ans == 0) {
+ PrintAndLog("\nValid LEGIC Tag Found - Quiting Search\n");
+ return 1;
+ }
+
PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
return 0;
}
projects / proxmark3-svn / blobdiff