{
uint8_t mac_responses[64] = { 0 };
- Dbprintf("Going into attack mode");
+ Dbprintf("Going into attack mode, %d CSNS sent", numberOfCSNS);
// In this mode, a number of csns are within datain. We'll simulate each one, one at a time
// in order to collect MAC's from the reader. This can later be used in an offlne-attack
// in order to obtain the keys, as in the "dismantling iclass"-paper.
// The usb data is 512 bytes, fitting 65 8-byte CSNs in there.
memcpy(csn_crc, datain+(i*8), 8);
- if(doIClassSimulation(csn_crc,1,mac_responses))
+ if(doIClassSimulation(csn_crc,1,mac_responses+i*8))
{
return; // Button pressed
}
//Signal tracer
// Can be used to get a trigger for an oscilloscope..
LED_C_OFF();
-
if(!GetIClassCommandFromReader(receivedCmd, &len, 100)) {
buttonPressed = true;
break;
respsize = 0;
if (breakAfterMacReceived){
// dbprintf:ing ...
- Dbprintf("CSN: %02x %02x %02x %02x %02x %02x %02x %02x",csn[0],csn[1],csn[2],csn[3],csn[4],csn[5],csn[6],csn[7]);
+ Dbprintf("CSN: %02x %02x %02x %02x %02x %02x %02x %02x"
+ ,csn[0],csn[1],csn[2],csn[3],csn[4],csn[5],csn[6],csn[7]);
Dbprintf("RDR: (len=%02d): %02x %02x %02x %02x %02x %02x %02x %02x %02x",len,
- receivedCmd[0], receivedCmd[1], receivedCmd[2],
+ receivedCmd[0], receivedCmd[1], receivedCmd[2],
receivedCmd[3], receivedCmd[4], receivedCmd[5],
receivedCmd[6], receivedCmd[7], receivedCmd[8]);
if (reader_mac_buf != NULL)
return 0;
}
+int CmdTuneSamples(const char *Cmd)
+{
+ int cnt = 0;
+ int n = 255;
+ uint8_t got[255];
+
+ PrintAndLog("Reading %d samples\n", n);
+ GetFromBigBuf(got,n,7256); // armsrc/apps.h: #define FREE_BUFFER_OFFSET 7256
+ WaitForResponse(CMD_ACK,NULL);
+ for (int j = 0; j < n; j++) {
+ GraphBuffer[cnt++] = ((int)got[j]) - 128;
+ }
+
+ PrintAndLog("Done! Divisor 89 is 134khz, 95 is 125khz.\n");
+ PrintAndLog("\n");
+ GraphTraceLen = n;
+ RepaintGraphWindow();
+ return 0;
+}
+
int CmdLoad(const char *Cmd)
{
FILE *f = fopen(Cmd, "r");
{"norm", CmdNorm, 1, "Normalize max/min to +/-500"},
{"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"},
{"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window"},
+ {"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"},
{"save", CmdSave, 1, "<filename> -- Save trace (from graph window)"},
{"scale", CmdScale, 1, "<int> -- Set cursor display scale"},
{"threshold", CmdThreshold, 1, "<threshold> -- Maximize/minimize every value in the graph window depending on threshold"},
SendCommand(&c);
return 0;
}
-
+#define NUM_CSNS 15
int CmdHFiClassSim(const char *Cmd)
{
uint8_t simType = 0;
if(simType == 2)
{
- UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,63}};
+ UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,NUM_CSNS}};
UsbCommand resp = {0};
- uint8_t csns[64] = {
+ /*uint8_t csns[8 * NUM_CSNS] = {
0x00,0x0B,0x0F,0xFF,0xF7,0xFF,0x12,0xE0 ,
0x00,0x13,0x94,0x7e,0x76,0xff,0x12,0xe0 ,
0x2a,0x99,0xac,0x79,0xec,0xff,0x12,0xe0 ,
0x4b,0x5e,0x0b,0x72,0xef,0xff,0x12,0xe0 ,
0x00,0x73,0xd8,0x75,0x58,0xff,0x12,0xe0 ,
0x0c,0x90,0x32,0xf3,0x5d,0xff,0x12,0xe0 };
-
- memcpy(c.d.asBytes, csns, 64);
+*/
+
+ uint8_t csns[8*NUM_CSNS] = {
+ 0x00, 0x0B, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x04, 0x0E, 0x08, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x09, 0x0D, 0x05, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0A, 0x0C, 0x06, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0F, 0x0B, 0x03, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x08, 0x0A, 0x0C, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0D, 0x09, 0x09, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0E, 0x08, 0x0A, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x03, 0x07, 0x17, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x3C, 0x06, 0xE0, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x01, 0x05, 0x1D, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x02, 0x04, 0x1E, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x07, 0x03, 0x1B, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x00, 0x02, 0x24, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x05, 0x01, 0x21, 0xF7, 0xFF, 0x12, 0xE0 };
+
+ memcpy(c.d.asBytes, csns, 8*NUM_CSNS);
SendCommand(&c);
if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) {
}
uint8_t num_mac_responses = resp.arg[1];
- PrintAndLog("Mac responses: %d MACs obtained (should be 8)", num_mac_responses);
+ PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses,NUM_CSNS);
- size_t datalen = 8*24;
+ size_t datalen = NUM_CSNS*24;
/*
* Now, time to dump to file. We'll use this format:
* <8-byte CSN><8-byte CC><4 byte NR><4 byte MAC>....
void* dump = malloc(datalen);
memset(dump,0,datalen);//<-- Need zeroes for the CC-field
uint8_t i = 0;
- for(i = 0 ; i < 8 ; i++)
+ for(i = 0 ; i < NUM_CSNS ; i++)
{
memcpy(dump+i*24, csns+i*8,8); //CSN
//8 zero bytes here...