#include "cmdhflegic.h"
#include "cmdhficlass.h"
#include "cmdhfmf.h"
+#include "cmdhfmfu.h"
static int CmdHelp(const char *Cmd);
SendCommand(&c);
return 0;
}
-// for the time being. Need better Bigbuf handling.
-#define TRACE_SIZE 3000
//The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
/*
40 = Long Range CMD (Standard ISO/TR7003:1990)
*/
-#define ICLASS_CMD_ACTALL 0x0A
+#define ICLASS_CMD_ACTALL 0x0A
#define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
-#define ICLASS_CMD_SELECT 0x81
-#define ICLASS_CMD_PAGESEL 0x84
-#define ICLASS_CMD_READCHECK 0x88
-#define ICLASS_CMD_CHECK 0x05
-#define ICLASS_CMD_SOF 0x0F
-#define ICLASS_CMD_HALT 0x00
-
-#define ISO14443_CMD_REQA 0x26
-#define ISO14443_CMD_READBLOCK 0x30
-#define ISO14443_CMD_WUPA 0x52
-#define ISO14443_CMD_ANTICOLL_OR_SELECT 0x93
-#define ISO14443_CMD_ANTICOLL_OR_SELECT_2 0x95
-#define ISO14443_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
-#define ISO14443_CMD_HALT 0x50
-#define ISO14443_CMD_RATS 0xE0
+#define ICLASS_CMD_SELECT 0x81
+#define ICLASS_CMD_PAGESEL 0x84
+#define ICLASS_CMD_READCHECK_KD 0x88
+#define ICLASS_CMD_READCHECK_KC 0x18
+#define ICLASS_CMD_CHECK 0x05
+#define ICLASS_CMD_DETECT 0x0F
+#define ICLASS_CMD_HALT 0x00
+#define ICLASS_CMD_UPDATE 0x87
+#define ICLASS_CMD_ACT 0x8E
+#define ICLASS_CMD_READ4 0x06
+
+
+#define ISO14443A_CMD_REQA 0x26
+#define ISO14443A_CMD_READBLOCK 0x30
+#define ISO14443A_CMD_WUPA 0x52
+#define ISO14443A_CMD_ANTICOLL_OR_SELECT 0x93
+#define ISO14443A_CMD_ANTICOLL_OR_SELECT_2 0x95
+#define ISO14443A_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
+#define ISO14443A_CMD_HALT 0x50
+#define ISO14443A_CMD_RATS 0xE0
#define MIFARE_AUTH_KEYA 0x60
#define MIFARE_AUTH_KEYB 0x61
#define ISO15693_READ_MULTI_SECSTATUS 0x2C
+#define ISO_14443A 0
+#define ICLASS 1
+#define ISO_14443B 2
void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
{
switch(cmd[0])
{
- case ISO14443_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
- case ISO14443_CMD_ANTICOLL_OR_SELECT:{
+ case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
+ case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
// 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
// 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
- if(cmd[2] == 0x70)
+ if(cmd[1] == 0x70)
{
snprintf(exp,size,"SELECT_UID"); break;
}else
snprintf(exp,size,"ANTICOLL"); break;
}
}
- case ISO14443_CMD_ANTICOLL_OR_SELECT_2:{
+ case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
//95 20 = Anticollision of cascade level2
//95 70 = Select of cascade level2
if(cmd[2] == 0x70)
snprintf(exp,size,"ANTICOLL-2"); break;
}
}
- case ISO14443_CMD_REQA: snprintf(exp,size,"REQA"); break;
- case ISO14443_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
- case ISO14443_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
- case ISO14443_CMD_HALT: snprintf(exp,size,"HALT"); break;
- case ISO14443_CMD_RATS: snprintf(exp,size,"RATS"); break;
+ case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
+ case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
+ case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
+ case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
+ case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
- case MIFARE_AUTH_KEYA: snprintf(exp,size,"AUTH-A"); break;
- case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B"); break;
+ case MIFARE_AUTH_KEYA: snprintf(exp,size,"AUTH-A(%d)",cmd[1]); break;
+ case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
case MIFARE_MAGICMODE: snprintf(exp,size,"MAGIC"); break;
default: snprintf(exp,size,"?"); break;
}
break;
}
case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
- case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL"); break;
- case ICLASS_CMD_READCHECK: snprintf(exp,size,"READCHECK"); break;
+ case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
+ case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
+ case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
- case ICLASS_CMD_SOF: snprintf(exp,size,"SOF"); break;
+ case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
+ case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
+ case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
+ case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
default: snprintf(exp,size,"?"); break;
}
return;
case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
- default: snprintf(exp,size,"?"); break;
+ default: snprintf(exp,size,"?"); break;
+ }
+ }
+}
+void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch(cmd[0]){
+ case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
+ case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
+ case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
+ default: snprintf(exp,size ,"?");break;
+ }
+
+}
+
+/**
+ * @brief iso14443B_CRC_Ok Checks CRC in command or response
+ * @param isResponse
+ * @param data
+ * @param len
+ * @return 0 : CRC-command, CRC not ok
+ * 1 : CRC-command, CRC ok
+ * 2 : Not crc-command
+ */
+
+uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+ uint8_t b1,b2;
+
+ if(len <= 2) return 2;
+
+ ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
+ if(b1 != data[len-2] || b2 != data[len-1]) {
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * @brief iclass_CRC_Ok Checks CRC in command or response
+ * @param isResponse
+ * @param data
+ * @param len
+ * @return 0 : CRC-command, CRC not ok
+ * 1 : CRC-command, CRC ok
+ * 2 : Not crc-command
+ */
+uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+ if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
+
+ uint8_t b1, b2;
+
+ if(!isResponse)//Commands to tag
+ {
+ /**
+ These commands should have CRC. Total length leftmost
+ 4 READ
+ 4 READ4
+ 12 UPDATE - unsecured, ends with CRC16
+ 14 UPDATE - secured, ends with signature instead
+ 4 PAGESEL
+ **/
+ if(len == 4 || len == 12)//Covers three of them
+ {
+ //Don't include the command byte
+ ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
+ return b1 == data[len -2] && b2 == data[len-1];
}
+ return 2;
+ }else{
+ /**
+ These tag responses should have CRC. Total length leftmost
+
+ 10 READ data[8] crc[2]
+ 34 READ4 data[32]crc[2]
+ 10 UPDATE data[8] crc[2]
+ 10 SELECT csn[8] crc[2]
+ 10 IDENTIFY asnb[8] crc[2]
+ 10 PAGESEL block1[8] crc[2]
+ 10 DETECT csn[8] crc[2]
+
+ These should not
+
+ 4 CHECK chip_response[4]
+ 8 READCHECK data[8]
+ 1 ACTALL sof[1]
+ 1 ACT sof[1]
+
+ In conclusion, without looking at the command; any response
+ of length 10 or 34 should have CRC
+ **/
+ if(len != 10 && len != 34) return true;
+
+ ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
+ return b1 == data[len -2] && b2 == data[len-1];
}
}
-uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles)
+uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles)
{
bool isResponse;
- uint16_t duration, data_len,parity_len;
+ uint16_t duration, data_len, parity_len;
uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
char explanation[30] = {0};
+ if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
+
first_timestamp = *((uint32_t *)(trace));
timestamp = *((uint32_t *)(trace + tracepos));
- // Break and stick with current result if buffer was not completely full
- if (timestamp == 0x44444444) return TRACE_SIZE;
tracepos += 4;
duration = *((uint16_t *)(trace + tracepos));
}
parity_len = (data_len-1)/8 + 1;
- if (tracepos + data_len + parity_len >= TRACE_SIZE) {
- return TRACE_SIZE;
+ if (tracepos + data_len + parity_len > traceLen) {
+ return traceLen;
}
uint8_t *frame = trace + tracepos;
}
}
//--- Draw the CRC column
- bool crcError = false;
+ uint8_t crcStatus = 2;
if (data_len > 2) {
uint8_t b1, b2;
- if(iclass)
+ if(protocol == ICLASS)
{
- if(!isResponse && data_len == 4 ) {
- // Rough guess that this is a command from the reader
- // For iClass the command byte is not part of the CRC
- ComputeCrc14443(CRC_ICLASS, &frame[1], data_len-3, &b1, &b2);
- } else {
- // For other data.. CRC might not be applicable (UPDATE commands etc.)
- ComputeCrc14443(CRC_ICLASS, frame, data_len-2, &b1, &b2);
- }
+ crcStatus = iclass_CRC_check(isResponse, frame, data_len);
- if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
- crcError = true;
- }
-
- }else{//Iso 14443a
+ }else if (protocol == ISO_14443B)
+ {
+ crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
+ }
+ else if (protocol == ISO_14443A){//Iso 14443a
ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
if(!(isResponse & (data_len < 6)))
{
- crcError = true;
+ crcStatus = 0;
}
}
}
}
- char *crc = crcError ? "!crc" :" ";
+ //0 CRC-command, CRC not ok
+ //1 CRC-command, CRC ok
+ //2 Not crc-command
+ char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
EndOfTransmissionTimestamp = timestamp + duration;
if(!isResponse)
{
- if(iclass)
+ if(protocol == ICLASS)
annotateIclass(explanation,sizeof(explanation),frame,data_len);
- else
+ else if (protocol == ISO_14443A)
annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
+ else if(protocol == ISO_14443B)
+ annotateIso14443b(explanation,sizeof(explanation),frame,data_len);
}
int num_lines = (data_len - 1)/16 + 1;
}
}
+ if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
+
bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
if (showWaitCycles && !isResponse && next_isResponse) {
(next_timestamp - EndOfTransmissionTimestamp));
}
}
+
return tracepos;
}
+
int CmdHFList(const char *Cmd)
{
bool showWaitCycles = false;
int tlen = param_getstr(Cmd,0,type);
char param = param_getchar(Cmd, 1);
bool errors = false;
- bool iclass = false;
+ uint8_t protocol = 0;
//Validate params
- if(tlen == 0 || (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0))
+ if(tlen == 0)
{
errors = true;
}
{
errors = true;
}
+ if(!errors)
+ {
+ if(strcmp(type, "iclass") == 0)
+ {
+ protocol = ICLASS;
+ }else if(strcmp(type, "14a") == 0)
+ {
+ protocol = ISO_14443A;
+ }
+ else if(strcmp(type, "14b") == 0)
+ {
+ protocol = ISO_14443B;
+ }else if(strcmp(type,"raw")== 0)
+ {
+ protocol = -1;//No crc, no annotations
+ }else{
+ errors = true;
+ }
+ }
if (errors) {
PrintAndLog("List protocol data in trace buffer.");
- PrintAndLog("Usage: hf list [14a|iclass] [f]");
+ PrintAndLog("Usage: hf list <protocol> [f]");
+ PrintAndLog(" f - show frame delay times as well");
+ PrintAndLog("Supported <protocol> values:");
+ PrintAndLog(" raw - just show raw data without annotations");
PrintAndLog(" 14a - interpret data as iso14443a communications");
+ PrintAndLog(" 14b - interpret data as iso14443b communications");
PrintAndLog(" iclass - interpret data as iclass communications");
- PrintAndLog(" f - show frame delay times as well");
PrintAndLog("");
PrintAndLog("example: hf list 14a f");
PrintAndLog("example: hf list iclass");
return 0;
}
- if(strcmp(type, "iclass") == 0)
- {
- iclass = true;
- }
+
if (param == 'f') {
showWaitCycles = true;
}
- uint8_t trace[TRACE_SIZE];
+ uint8_t *trace;
uint16_t tracepos = 0;
- GetFromBigBuf(trace, TRACE_SIZE, 0);
- WaitForResponse(CMD_ACK, NULL);
-
- PrintAndLog("Recorded Activity");
+ trace = malloc(USB_CMD_DATA_SIZE);
+
+ // Query for the size of the trace
+ UsbCommand response;
+ GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
+ WaitForResponse(CMD_ACK, &response);
+ uint16_t traceLen = response.arg[2];
+ if (traceLen > USB_CMD_DATA_SIZE) {
+ uint8_t *p = realloc(trace, traceLen);
+ if (p == NULL) {
+ PrintAndLog("Cannot allocate memory for trace");
+ free(trace);
+ return 2;
+ }
+ trace = p;
+ GetFromBigBuf(trace, traceLen, 0);
+ WaitForResponse(CMD_ACK, NULL);
+ }
+
+ 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(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
- while(tracepos < TRACE_SIZE)
+ while(tracepos < traceLen)
{
- tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles);
+ tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles);
}
+
+ free(trace);
return 0;
}
{"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
{"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
{"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
+ {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
{"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
{"list", CmdHFList, 1, "List protocol data in trace buffer"},
{NULL, NULL, 0, NULL}
projects / proxmark3-svn / blobdiff