#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/stat.h>
#include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
#include "data.h"
//#include "proxusb.h"
#include "cmdhficlass.h"
#include "common.h"
#include "util.h"
+#include "cmdmain.h"
static int CmdHelp(const char *Cmd);
+int xorbits_8(uint8_t val)
+{
+ uint8_t res = val ^ (val >> 1); //1st pass
+ res = res ^ (res >> 1); // 2nd pass
+ res = res ^ (res >> 2); // 3rd pass
+ res = res ^ (res >> 4); // 4th pass
+ return res & 1;
+}
+
int CmdHFiClassList(const char *Cmd)
+{
+
+ bool ShowWaitCycles = false;
+ char param = param_getchar(Cmd, 0);
+
+ if (param != 0) {
+ PrintAndLog("List data in trace buffer.");
+ PrintAndLog("Usage: hf iclass list");
+ PrintAndLog("h - help");
+ PrintAndLog("sample: hf iclass list");
+ return 0;
+ }
+
+ uint8_t got[1920];
+ GetFromBigBuf(got,sizeof(got),0);
+ WaitForResponse(CMD_ACK,NULL);
+
+ PrintAndLog("Recorded Activity");
+ PrintAndLog("");
+ PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
+ PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
+ PrintAndLog("");
+ PrintAndLog(" Start | End | Src | Data");
+ PrintAndLog("-----------|-----------|-----|--------");
+
+ int i;
+ uint32_t first_timestamp = 0;
+ uint32_t timestamp;
+ bool tagToReader;
+ uint32_t parityBits;
+ uint8_t len;
+ uint8_t *frame;
+ uint32_t EndOfTransmissionTimestamp = 0;
+
+
+ for( i=0; i < 1900;)
+ {
+ //First 32 bits contain
+ // isResponse (1 bit)
+ // timestamp (remaining)
+ //Then paritybits
+ //Then length
+ timestamp = *((uint32_t *)(got+i));
+ parityBits = *((uint32_t *)(got+i+4));
+ len = got[i+8];
+ frame = (got+i+9);
+ uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff;
+
+ tagToReader = timestamp & 0x80000000;
+ timestamp &= 0x7fffffff;
+
+ if(i==0) {
+ first_timestamp = timestamp;
+ }
+
+ // Break and stick with current result if buffer was not completely full
+ if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break;
+
+ char line[1000] = "";
+
+ if(len)//We have some data to display
+ {
+ int j,oddparity;
+
+ for(j = 0; j < len ; j++)
+ {
+ oddparity = 0x01 ^ xorbits_8(frame[j] & 0xFF);
+
+ if (tagToReader && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
+ sprintf(line+(j*4), "%02x! ", frame[j]);
+ } else {
+ sprintf(line+(j*4), "%02x ", frame[j]);
+ }
+ }
+ }else
+ {
+ if (ShowWaitCycles) {
+ sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp));
+ }
+ }
+
+ char *crc = "";
+
+ if(len > 2)
+ {
+ uint8_t b1, b2;
+ if(!tagToReader && 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], len-3, &b1, &b2);
+ }
+ else {
+ // For other data.. CRC might not be applicable (UPDATE commands etc.)
+ ComputeCrc14443(CRC_ICLASS, frame, len-2, &b1, &b2);
+ }
+
+ if (b1 != frame[len-2] || b2 != frame[len-1]) {
+ crc = (tagToReader & (len < 8)) ? "" : " !crc";
+ }
+ }
+
+ i += (len + 9);
+ EndOfTransmissionTimestamp = (*((uint32_t *)(got+i))) & 0x7fffffff;
+
+ // Not implemented for iclass on the ARM-side
+ //if (!ShowWaitCycles) i += 9;
+
+ PrintAndLog(" %9d | %9d | %s | %s %s",
+ (timestamp - first_timestamp),
+ (EndOfTransmissionTimestamp - first_timestamp),
+ (len?(tagToReader ? "Tag" : "Rdr"):" "),
+ line, crc);
+ }
+ return 0;
+}
+
+int CmdHFiClassListOld(const char *Cmd)
{
uint8_t got[1920];
GetFromBigBuf(got,sizeof(got),0);
isResponse = 0;
}
+
int metric = 0;
+
int parityBits = *((uint32_t *)(got+i+4));
// 4 bytes of additional information...
// maximum of 32 additional parity bit information
uint8_t simType = 0;
uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
- if (strlen(Cmd)<2) {
- PrintAndLog("Usage: hf iclass sim <sim type> <CSN (16 hex symbols)>");
+ if (strlen(Cmd)<1) {
+ PrintAndLog("Usage: hf iclass sim [0 <CSN>] | x");
+ PrintAndLog(" options");
+ PrintAndLog(" 0 <CSN> simulate the given CSN");
+ PrintAndLog(" 1 simulate default CSN");
+ PrintAndLog(" 2 iterate CSNs, gather MACs");
PrintAndLog(" sample: hf iclass sim 0 031FEC8AF7FF12E0");
+ PrintAndLog(" sample: hf iclass sim 2");
return 0;
}
simType = param_get8(Cmd, 0);
- if (param_gethex(Cmd, 1, CSN, 16)) {
- PrintAndLog("A CSN should consist of 16 HEX symbols");
- return 1;
- }
- PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
- UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType}};
- memcpy(c.d.asBytes, CSN, 8);
- SendCommand(&c);
-
- /*UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
- if (resp != NULL) {
- uint8_t isOK = resp->arg[0] & 0xff;
- PrintAndLog("isOk:%02x", isOK);
- } else {
- PrintAndLog("Command execute timeout");
- }*/
+ if(simType == 0)
+ {
+ if (param_gethex(Cmd, 1, CSN, 16)) {
+ PrintAndLog("A CSN should consist of 16 HEX symbols");
+ return 1;
+ }
+ PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
+ }
+ if(simType > 5)
+ {
+ PrintAndLog("Undefined simptype %d", simType);
+ return 1;
+ }
+ uint8_t numberOfCSNs=0;
+
+ if(simType == 2)
+ {
+ UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,63}};
+ UsbCommand resp = {0};
+
+ uint8_t csns1[] ={
+ /* Order Simulated CSN HASH1 Recovered key bytes */
+ /* 1 */ 0x00,0x0B,0x0F,0xFF,0xF7,0xFF,0x12,0xE0,// 0101000045014545 00,01 45
+ /* 2 */ 0x03,0x0B,0x0E,0xFE,0xF7,0xFF,0x12,0xE0,// 0202000045014545 02
+ /* 3 */ 0x04,0x0D,0x0D,0xFD,0xF7,0xFF,0x12,0xE0,// 0303000045014545 03
+ /* 4 */ 0x04,0x0F,0x0F,0xF7,0xF7,0xFF,0x12,0xE0,// 0901000045014545 09
+ /* 5 */ 0x01,0x13,0x10,0xF4,0xF7,0xFF,0x12,0xE0,// 0C00000045014545 0C
+ /* 6 */ 0x02,0x14,0x10,0xF2,0xF7,0xFF,0x12,0xE0,// 0E00000045014545 0E
+ /* 7 */ 0x05,0x17,0x10,0xEC,0xF7,0xFF,0x12,0xE0,// 1400000045014545 14
+ /* 8 */ 0x00,0x6B,0x6F,0xDF,0xF7,0xFF,0x12,0xE0,// 2121000045014545 21
+ /* 9 */ 0x03,0x6B,0x6E,0xDE,0xF7,0xFF,0x12,0xE0,// 2222000045014545 22
+ /* 10 */ 0x04,0x6D,0x6D,0xDD,0xF7,0xFF,0x12,0xE0,// 2323000045014545 23
+ /* 11 */ 0x00,0x4F,0x4B,0x43,0xF7,0xFF,0x12,0xE0,// 3D45000045014545 3D
+ /* 12 */ 0x00,0x4B,0x4F,0x3F,0xF7,0xFF,0x12,0xE0,// 4141000045014545 41
+ /* 13 */ 0x03,0x4B,0x4E,0x3E,0xF7,0xFF,0x12,0xE0,// 4242000045014545 42
+ /* 14 */ 0x04,0x4D,0x4D,0x3D,0xF7,0xFF,0x12,0xE0,// 4343000045014545 43
+ /* 15 */ 0x04,0x37,0x37,0x7F,0xF7,0xFF,0x12,0xE0,// 0159000045014545 59
+ /* 16 */ 0x00,0x2B,0x2F,0x9F,0xF7,0xFF,0x12,0xE0,// 6161000045014545 61
+ /* 17 */ 0x03,0x2B,0x2E,0x9E,0xF7,0xFF,0x12,0xE0,// 6262000045014545 62
+ /* 18 */ 0x04,0x2D,0x2D,0x9D,0xF7,0xFF,0x12,0xE0,// 6363000045014545 63
+ /* 19 */ 0x00,0x27,0x23,0xBB,0xF7,0xFF,0x12,0xE0,// 456D000045014545 6D
+ /* 20 */ 0x02,0x52,0xAA,0x80,0xF7,0xFF,0x12,0xE0,// 0066000045014545 66
+ /* 21 */ 0x00,0x5C,0xA6,0x80,0xF7,0xFF,0x12,0xE0,// 006A000045014545 6A
+ /* 22 */ 0x01,0x5F,0xA4,0x80,0xF7,0xFF,0x12,0xE0,// 006C000045014545 6C
+ /* 23 */ 0x06,0x5E,0xA2,0x80,0xF7,0xFF,0x12,0xE0,// 006E000045014545 6E
+ /* 24 */ 0x02,0x0E,0x0E,0xFC,0xF7,0xFF,0x12,0xE0,// 0402000045014545 04
+ /* 25 */ 0x05,0x0D,0x0E,0xFA,0xF7,0xFF,0x12,0xE0,// 0602000045014545 06
+ /* 26 */ 0x06,0x0F,0x0D,0xF9,0xF7,0xFF,0x12,0xE0,// 0703000045014545 07
+ /* 27 */ 0x00,0x01,0x05,0x1D,0xF7,0xFF,0x12,0xE0,// 630B000045014545 0B
+ /* 28 */ 0x02,0x07,0x01,0x1D,0xF7,0xFF,0x12,0xE0,// 630F000045014545 0F
+ /* 29 */ 0x04,0x7F,0x7F,0xA7,0xF7,0xFF,0x12,0xE0,// 5911000045014545 11
+ /* 30 */ 0x04,0x60,0x6E,0xE8,0xF7,0xFF,0x12,0xE0,// 1822000045014545 18
+ /*31*/ 0x04,0x77,0x77,0xBF,0xF7,0xFF,0x12,0xE0, // 4119000045014545 19
+ /*32*/ 0x00,0x69,0x6D,0xE5,0xF7,0xFF,0x12,0xE0, // 1B23000045014545 1B
+ /*33*/ 0x01,0x69,0x6E,0xE2,0xF7,0xFF,0x12,0xE0, // 1E22000045014545 1E
+ /*34*/ 0x02,0x6B,0x6D,0xE1,0xF7,0xFF,0x12,0xE0, // 1F23000045014545 1F
+ /*35*/ 0x01,0x3F,0x04,0xE0,0xF7,0xFF,0x12,0xE0, // 200C000045014545 20
+ /*36*/ 0x02,0x6E,0x6E,0xDC,0xF7,0xFF,0x12,0xE0, // 2422000045014545 24
+ /*37*/ 0x05,0x6D,0x6E,0xDA,0xF7,0xFF,0x12,0xE0, // 2622000045014545 26
+ /*38*/ 0x06,0x6F,0x6D,0xD9,0xF7,0xFF,0x12,0xE0, // 2723000045014545 27
+ /*39*/ 0x01,0x6B,0x68,0xEC,0xF7,0xFF,0x12,0xE0, // 1428000045014545 28
+ /*40*/ 0x04,0x6F,0x6F,0xD7,0xF7,0xFF,0x12,0xE0, // 2921000045014545 29
+ /*41*/ 0x02,0x66,0x66,0xF4,0xF7,0xFF,0x12,0xE0, // 0C2A000045014545 2A
+ /*42*/ 0x00,0x61,0x65,0xFD,0xF7,0xFF,0x12,0xE0, // 032B000045014545 2B
+ /*43*/ 0x00,0x62,0x64,0xFE,0xF7,0xFF,0x12,0xE0, // 022C000045014545 2C
+ /*44*/ 0x01,0x65,0x62,0xFE,0xF7,0xFF,0x12,0xE0, // 022E000045014545 2E
+ /*45*/ 0x02,0x67,0x61,0xFD,0xF7,0xFF,0x12,0xE0, // 032F000045014545 2F
+ /*46*/ 0x00,0x5F,0x5B,0x13,0xF7,0xFF,0x12,0xE0, // 6D35000045014545 35
+ /*47*/ 0x00,0x44,0x4E,0x48,0xF7,0xFF,0x12,0xE0, // 3842000045014545 38
+ /*48*/ 0x00,0x53,0x57,0x27,0xF7,0xFF,0x12,0xE0, // 5939000045014545 39
+ /*49*/ 0x00,0x49,0x4D,0x45,0xF7,0xFF,0x12,0xE0, // 3B43000045014545 3B
+ /*50*/ 0x01,0x49,0x4E,0x42,0xF7,0xFF,0x12,0xE0, // 3E42000045014545 3E
+ /*51*/ 0x02,0x4B,0x4D,0x41,0xF7,0xFF,0x12,0xE0, // 3F43000045014545 3F
+ /*52*/ 0x02,0x4E,0x4E,0x3C,0xF7,0xFF,0x12,0xE0, // 4442000045014545 44
+ /*53*/ 0x05,0x4D,0x4E,0x3A,0xF7,0xFF,0x12,0xE0, // 4642000045014545 46
+ /*54*/ 0x06,0x4F,0x4D,0x39,0xF7,0xFF,0x12,0xE0, // 4743000045014545 47
+ /*55*/ 0x01,0x77,0x7C,0xB8,0xF7,0xFF,0x12,0xE0, // 4814000045014545 48
+ /*56*/ 0x04,0x4F,0x4F,0x37,0xF7,0xFF,0x12,0xE0, // 4941000045014545 49
+ /*57*/ 0x00,0x7A,0x7C,0xB6,0xF7,0xFF,0x12,0xE0, // 4A14000045014545 4A
+ /*58*/ 0x00,0x41,0x45,0x5D,0xF7,0xFF,0x12,0xE0, // 234B000045014545 4B
+ /*59*/ 0x00,0x42,0x44,0x5E,0xF7,0xFF,0x12,0xE0, // 224C000045014545 4C
+ /*60*/ 0x01,0x45,0x42,0x5E,0xF7,0xFF,0x12,0xE0, // 224E000045014545 4E
+ /*61*/ 0x02,0x47,0x41,0x5D,0xF7,0xFF,0x12,0xE0, // 234F000045014545 4F
+ /*62*/ 0x04,0x7E,0x7C,0xAE,0xF7,0xFF,0x12,0xE0, // 5214000045014545 52
+ /*63*/ 0x00,0x57,0x53,0x2B,0xF7,0xFF,0x12,0xE0, // 553D000045014545 55
+ };
+ memcpy(c.d.asBytes, csns1, sizeof(c.d.asBytes));
+
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) {
+ PrintAndLog("Command timed out");
+ return 0;
+ }
+
+ uint8_t num_mac_responses_1 = resp.arg[1];
+ PrintAndLog("Mac responses, first part : %d MACs obtained (should be 63)", num_mac_responses_1);
+
+ UsbCommand c2 = {CMD_SIMULATE_TAG_ICLASS, {simType,63}};
+ UsbCommand resp2 = {0};
+
+ uint8_t csns2[] ={
+ /*64*/ 0x04,0x3C,0x3A,0x74,0xF7,0xFF,0x12,0xE0, // 0C56000045014545 56
+ /*65*/ 0x00,0x24,0x2E,0xA8,0xF7,0xFF,0x12,0xE0, // 5862000045014545 58
+ /*66*/ 0x00,0x29,0x2D,0xA5,0xF7,0xFF,0x12,0xE0, // 5B63000045014545 5B
+ /*67*/ 0x00,0x00,0x02,0x24,0xF7,0xFF,0x12,0xE0, // 5C0E000045014545 5C
+ /*68*/ 0x01,0x29,0x2E,0xA2,0xF7,0xFF,0x12,0xE0, // 5E62000045014545 5E
+ /*69*/ 0x02,0x2B,0x2D,0xA1,0xF7,0xFF,0x12,0xE0, // 5F63000045014545 5F
+ /*70*/ 0x02,0x2E,0x2E,0x9C,0xF7,0xFF,0x12,0xE0, // 6462000045014545 64
+ /*71*/ 0x02,0x0A,0x02,0x18,0xF7,0xFF,0x12,0xE0, // 680E000045014545 68
+ /*72*/ 0x00,0x03,0x07,0x17,0xF7,0xFF,0x12,0xE0, // 6909000045014545 69
+ /*73*/ 0x00,0x21,0x25,0xBD,0xF7,0xFF,0x12,0xE0, // 436B000045014545 6B
+ /*74*/ 0x02,0x27,0x21,0xBD,0xF7,0xFF,0x12,0xE0, // 436F000045014545 6F
+ /*75*/ 0x04,0x07,0x07,0x0F,0xF7,0xFF,0x12,0xE0, // 7109000045014545 71
+ /*76*/ 0x00,0x04,0x0E,0x08,0xF7,0xFF,0x12,0xE0, // 7802000045014545 78
+ /*77*/ 0x00,0x33,0x37,0x87,0xF7,0xFF,0x12,0xE0, // 7959000045014545 79
+ /*78*/ 0x00,0x09,0x0D,0x05,0xF7,0xFF,0x12,0xE0, // 7B03000045014545 7B
+ /*79*/ 0x01,0x09,0x0E,0x02,0xF7,0xFF,0x12,0xE0, // 7E02000045014545 7E
+ /*80*/ 0x02,0x0B,0x0D,0x01,0xF7,0xFF,0x12,0xE0, // 7F03000045014545 7F
+ /*81*/ 0x00,0x34,0x3E,0x78,0xF7,0xFF,0x12,0xE0, // 0852000045014545 08
+ /*82*/ 0x04,0x66,0x64,0xF6,0xF7,0xFF,0x12,0xE0, // 0A2C000045014545 0A
+ /*83*/ 0x00,0x3F,0x3B,0x73,0xF7,0xFF,0x12,0xE0, // 0D55000045014545 0D
+ /*84*/ 0x03,0x3B,0x3E,0x6E,0xF7,0xFF,0x12,0xE0, // 1252000045014545 12
+ /*85*/ 0x00,0x11,0x15,0xED,0xF7,0xFF,0x12,0xE0, // 137B000045014545 13
+ /*86*/ 0x00,0x6E,0x68,0xEA,0xF7,0xFF,0x12,0xE0, // 1628000045014545 16
+ /*87*/ 0x00,0x6D,0x69,0xE9,0xF7,0xFF,0x12,0xE0, // 1727000045014545 17
+ /*88*/ 0x00,0x6A,0x6C,0xE6,0xF7,0xFF,0x12,0xE0, // 1A24000045014545 1A
+ /*89*/ 0x00,0x40,0x42,0x64,0xF7,0xFF,0x12,0xE0, // 1C4E000045014545 1C
+ /*90*/ 0x00,0x77,0x73,0xCB,0xF7,0xFF,0x12,0xE0, // 351D000045014545 1D
+ /*91*/ 0x06,0x6E,0x72,0xD0,0xF7,0xFF,0x12,0xE0, // 301E000045014545 30
+ /*92*/ 0x00,0x1B,0x1F,0xCF,0xF7,0xFF,0x12,0xE0, // 3171000045014545 31
+ /*93*/ 0x01,0x75,0x72,0xCE,0xF7,0xFF,0x12,0xE0, // 321E000045014545 32
+ /*94*/ 0x00,0x71,0x75,0xCD,0xF7,0xFF,0x12,0xE0, // 331B000045014545 33
+ /*95*/ 0x00,0x48,0x4A,0x4C,0xF7,0xFF,0x12,0xE0, // 3446000045014545 34
+ /*96*/ 0x00,0x4E,0x48,0x4A,0xF7,0xFF,0x12,0xE0, // 3648000045014545 36
+ /*97*/ 0x00,0x4D,0x49,0x49,0xF7,0xFF,0x12,0xE0, // 3747000045014545 37
+ /*98*/ 0x00,0x4A,0x4C,0x46,0xF7,0xFF,0x12,0xE0, // 3A44000045014545 3A
+ /*99*/ 0x00,0x20,0x22,0xC4,0xF7,0xFF,0x12,0xE0, // 3C6E000045014545 3C
+ /*100*/ 0x00,0x1C,0x66,0x40,0xF7,0xFF,0x12,0xE0, // 402A000045014545 40
+ /*101*/ 0x06,0x4E,0x52,0x30,0xF7,0xFF,0x12,0xE0, // 503E000045014545 50
+ /*102*/ 0x00,0x7B,0x7F,0xAF,0xF7,0xFF,0x12,0xE0, // 5111000045014545 51
+ /*103*/ 0x00,0x51,0x55,0x2D,0xF7,0xFF,0x12,0xE0, // 533B000045014545 53
+ /*104*/ 0x00,0x28,0x2A,0xAC,0xF7,0xFF,0x12,0xE0, // 5466000045014545 54
+ /*105*/ 0x02,0x53,0x55,0x29,0xF7,0xFF,0x12,0xE0, // 573B000045014545 57
+ /*106*/ 0x00,0x2A,0x2C,0xA6,0xF7,0xFF,0x12,0xE0, // 5A64000045014545 5A
+ /*107*/ 0x00,0x7C,0x46,0x20,0xF7,0xFF,0x12,0xE0, // 604A000045014545 60
+ /*108*/ 0x02,0x03,0x05,0x19,0xF7,0xFF,0x12,0xE0, // 670B000045014545 67
+ /*109*/ 0x01,0x2F,0x34,0x90,0xF7,0xFF,0x12,0xE0, // 705C000045014545 70
+ /*110*/ 0x00,0x32,0x34,0x8E,0xF7,0xFF,0x12,0xE0, // 725C000045014545 72
+ /*111*/ 0x00,0x31,0x35,0x8D,0xF7,0xFF,0x12,0xE0, // 735B000045014545 73
+ /*112*/ 0x00,0x08,0x0A,0x0C,0xF7,0xFF,0x12,0xE0, // 7406000045014545 74
+ /*113*/ 0x03,0x37,0x32,0x8A,0xF7,0xFF,0x12,0xE0, // 765E000045014545 76
+ /*114*/ 0x00,0x0D,0x09,0x09,0xF7,0xFF,0x12,0xE0, // 7707000045014545 77
+ /*115*/ 0x00,0x0A,0x0C,0x06,0xF7,0xFF,0x12,0xE0, // 7A04000045014545 7A
+ /*116*/ 0x00,0x60,0x62,0x04,0xF7,0xFF,0x12,0xE0, // 7C2E000045014545 7C
+ /*117*/ 0x00,0x07,0x03,0x1B,0xF7,0xFF,0x12,0xE0, // 650D000045014545 65
+ /*118*/ 0x00,0x0C,0x16,0xF0,0xF7,0xFF,0x12,0xE0, // 107A000045014545 10
+ /*119*/ 0x00,0x6F,0x6B,0xE3,0xF7,0xFF,0x12,0xE0, // 1D25000045014545 25
+ /*120*/ 0x00,0x2F,0x2B,0xA3,0xF7,0xFF,0x12,0xE0, // 5D65000045014545 5D
+ /*121*/ 0x00,0x47,0x43,0x5B,0xF7,0xFF,0x12,0xE0, // 254D000045014545 4D
+ /*122*/ 0x00,0x37,0x33,0x8B,0xF7,0xFF,0x12,0xE0, // 755D000045014545 75
+ /*123*/ 0x00,0x1F,0x1B,0xD3,0xF7,0xFF,0x12,0xE0, // 2D75000045014545 2D
+ /*124*/ 0x00,0x67,0x63,0xFB,0xF7,0xFF,0x12,0xE0, // 052D000045014545 05
+ /*125*/ 0x00,0x0F,0x0B,0x03,0xF7,0xFF,0x12,0xE0, // 7D05000045014545 7D
+ /*126*/ 0x00,0x17,0x13,0xEB,0xF7,0xFF,0x12,0xE0, // 157D000045014545 15
+ };
+
+ memcpy(c2.d.asBytes, csns2, sizeof(c2.d.asBytes));
+
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp2, -1)) {
+ PrintAndLog("Command timed out");
+ return 0;
+ }
+ uint8_t num_mac_responses_2 = resp2.arg[1];
+ PrintAndLog("Mac responses, second part : %d MACs obtained (should be 63)", num_mac_responses_2);
+ size_t datalen = 126 * 16;
+ /*
+ * Now, time to dump to file. We'll use this format:
+ * <8-byte CSN><8-byte MAC>....
+ * So, it should wind up as
+ * (63+63) * (8 + 8 ) bytes.
+ **/
+ void* macs = malloc(datalen);
+ uint8_t i = 0;
+ while(i < 63)
+ {
+ memcpy(macs+i*16, csns1+i*8,8);
+ memcpy(macs+i*16+8, resp.d.asBytes+i*8,8);
+
+ memcpy(macs+i*16+63*16, csns2+i*8,8);
+ memcpy(macs+i*16+8+63*16, resp2.d.asBytes+i*8,8);
+ i++;
+ }
+ /** Now, save to dumpfile **/
+ saveFile("iclass_mac_attack", "bin", macs,datalen);
+ free(macs);
+ }else
+ {
+ UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}};
+ memcpy(c.d.asBytes, CSN, 8);
+ SendCommand(&c);
+ }
return 0;
}
CmdsHelp(CommandTable);
return 0;
}
+
+/**
+ * @brief checks if a file exists
+ * @param filename
+ * @return
+ */
+int fileExists(const char *filename) {
+ struct stat st;
+ int result = stat(filename, &st);
+ return result == 0;
+}
+/**
+ * @brief Utility function to save data to a file. This method takes a preferred name, but if that
+ * file already exists, it tries with another name until it finds something suitable.
+ * E.g. dumpdata-15.txt
+ * @param preferredName
+ * @param suffix the file suffix. Leave out the ".".
+ * @param data The binary data to write to the file
+ * @param datalen the length of the data
+ * @return
+ */
+int saveFile(const char *preferredName, const char *suffix, const void* data, size_t datalen)
+{
+ FILE *f = fopen(preferredName, "wb");
+ int size = sizeof(char) * (strlen(preferredName)+strlen(suffix)+5);
+ char * fileName = malloc(size);
+
+ memset(fileName,0,size);
+ int num = 1;
+ sprintf(fileName,"%s.%s", preferredName, suffix);
+ while(fileExists(fileName))
+ {
+ sprintf(fileName,"%s-%d.%s", preferredName, num, suffix);
+ num++;
+ }
+ /* We should have a valid filename now, e.g. dumpdata-3.bin */
+
+ /*Opening file for writing in binary mode*/
+ FILE *fileHandle=fopen(fileName,"wb");
+ if(!f) {
+ PrintAndLog("Failed to write to file '%s'", fileName);
+ return 0;
+ }
+ fwrite(data, 1, datalen, fileHandle);
+ fclose(fileHandle);
+ PrintAndLog("Saved data to '%s'", fileName);
+
+ free(fileName);
+ return 0;
+}