]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/iclass.c
ADD: the option to simulate tnp3xxx inthe command "hf mf sim"
[proxmark3-svn] / armsrc / iclass.c
index 017d5eff7dd1aec437391e072fd2db16566c056f..91a802ca567a1293e9029368d65b4a8f9e45ad42 100644 (file)
@@ -36,7 +36,7 @@
 //
 //-----------------------------------------------------------------------------
 
-#include "proxmark3.h"
+#include "../include/proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "string.h"
 // Needed for CRC in emulation mode;
 // same construction as in ISO 14443;
 // different initial value (CRC_ICLASS)
-#include "iso14443crc.h"
+#include "../common/iso14443crc.h"
+#include "../common/iso15693tools.h"
 #include "iso15693tools.h"
 
+
 static int timeout = 4096;
 
 
@@ -226,7 +228,8 @@ static RAMFUNC int OutOfNDecoding(int bit)
 
                                                        // Calculate the parity bit for the client...
                                                        Uart.parityBits <<= 1;
-                                                       Uart.parityBits ^= OddByteParity[(Uart.shiftReg & 0xff)];
+                                                       //Uart.parityBits ^= OddByteParity[(Uart.shiftReg & 0xff)];
+                                                       Uart.parityBits ^= oddparity(Uart.shiftReg & 0xff);
 
                                                        Uart.bitCnt = 0;
                                                        Uart.shiftReg = 0;
@@ -249,7 +252,8 @@ static RAMFUNC int OutOfNDecoding(int bit)
 
                                        // Calculate the parity bit for the client...
                                        Uart.parityBits <<= 1;
-                                       Uart.parityBits ^= OddByteParity[(Uart.dropPosition & 0xff)];
+                                       //Uart.parityBits ^= OddByteParity[(Uart.dropPosition & 0xff)];
+                                       Uart.parityBits ^= oddparity((Uart.dropPosition & 0xff));
 
                                        Uart.bitCnt = 0;
                                        Uart.shiftReg = 0;
@@ -450,8 +454,7 @@ static RAMFUNC int ManchesterDecoding(int v)
        else {
                modulation = bit & Demod.syncBit;
                modulation |= ((bit << 1) ^ ((Demod.buffer & 0x08) >> 3)) & Demod.syncBit;
-               //modulation = ((bit << 1) ^ ((Demod.buffer & 0x08) >> 3)) & Demod.syncBit;
-
+       
                Demod.samples += 4;
 
                if(Demod.posCount==0) {
@@ -486,7 +489,8 @@ static RAMFUNC int ManchesterDecoding(int v)
                                        Demod.output[Demod.len] = 0x0f;
                                        Demod.len++;
                                        Demod.parityBits <<= 1;
-                                       Demod.parityBits ^= OddByteParity[0x0f];
+                                       //Demod.parityBits ^= OddByteParity[0x0f];
+                                       Demod.parityBits ^= oddparity(0x0f);
                                        Demod.state = DEMOD_UNSYNCD;
 //                                     error = 0x0f;
                                        return TRUE;
@@ -611,7 +615,8 @@ static RAMFUNC int ManchesterDecoding(int v)
 
                                // FOR ISO15639 PARITY NOT SEND OTA, JUST CALCULATE IT FOR THE CLIENT
                                Demod.parityBits <<= 1;
-                               Demod.parityBits ^= OddByteParity[(Demod.shiftReg & 0xff)];
+                               //Demod.parityBits ^= OddByteParity[(Demod.shiftReg & 0xff)];
+                               Demod.parityBits ^= oddparity((Demod.shiftReg & 0xff));
 
                                Demod.bitCount = 0;
                                Demod.shiftReg = 0;
@@ -868,10 +873,7 @@ static int GetIClassCommandFromReader(uint8_t *received, int *len, int maxLen)
         }
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
             uint8_t b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
-                       /*if(OutOfNDecoding((b & 0xf0) >> 4)) {
-                               *len = Uart.byteCnt;
-                               return TRUE;
-                       }*/
+
                        if(OutOfNDecoding(b & 0x0f)) {
                                *len = Uart.byteCnt;
                                return TRUE;
@@ -1169,12 +1171,11 @@ int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived, uint8_t *reader
                } else if(receivedCmd[0] == 0x05) {
                        // Reader random and reader MAC!!!
                        // Do not respond
-                       // We do not know what to answer, so lets keep quit
+            // We do not know what to answer, so lets keep quiet
                        resp = resp1; respLen = 0; //order = 5;
                        respdata = NULL;
                        respsize = 0;
                        if (breakAfterMacReceived){
-                               // TODO, actually return this to the caller instead of just
                                // 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("RDR:  (len=%02d): %02x %02x %02x %02x %02x %02x %02x %02x %02x",len,
@@ -1394,7 +1395,6 @@ void ReaderTransmitIClass(uint8_t* frame, int len)
   int par = 0;
 
   // This is tied to other size changes
-  //   uint8_t* frame_addr = ((uint8_t*)BigBuf) + 2024;
   CodeIClassCommand(frame,len);
 
   // Select the card
@@ -1434,7 +1434,7 @@ static int GetIClassAnswer(uint8_t *receivedResponse, int maxLen, int *samples,
        for(;;) {
                WDT_HIT();
 
-               if(BUTTON_PRESS()) return FALSE;
+           if(BUTTON_PRESS()) return FALSE;
 
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
                        AT91C_BASE_SSC->SSC_THR = 0x00;  // To make use of exact timing of next command from reader!!
@@ -1445,10 +1445,7 @@ static int GetIClassAnswer(uint8_t *receivedResponse, int maxLen, int *samples,
                        b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
                        skip = !skip;
                        if(skip) continue;
-                       /*if(ManchesterDecoding((b>>4) & 0xf)) {
-                               *samples = ((c - 1) << 3) + 4;
-                               return TRUE;
-                       }*/
+               
                        if(ManchesterDecoding(b & 0x0f)) {
                                *samples = c << 3;
                                return  TRUE;
@@ -1467,69 +1464,109 @@ int ReaderReceiveIClass(uint8_t* receivedAnswer)
   return Demod.len;
 }
 
+void setupIclassReader()
+{
+    FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+    // Reset trace buffer
+    iso14a_set_tracing(TRUE);
+    iso14a_clear_trace();
+
+    // Setup SSC
+    FpgaSetupSsc();
+    // Start from off (no field generated)
+    // Signal field is off with the appropriate LED
+    LED_D_OFF();
+    FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+    SpinDelay(200);
+
+    SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+
+    // Now give it time to spin up.
+    // Signal field is on with the appropriate LED
+    FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+    SpinDelay(200);
+    LED_A_ON();
+
+}
+
 // Reader iClass Anticollission
 void ReaderIClass(uint8_t arg0) {
        uint8_t act_all[]     = { 0x0a };
        uint8_t identify[]    = { 0x0c };
        uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+    uint8_t readcheck_cc[]= { 0x88, 0x02 };
 
-       uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
-
-    FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+    uint8_t card_data[24]={0};
+    uint8_t last_csn[8]={0};
 
-       // Reset trace buffer
-       memset(trace, 0x44, RECV_CMD_OFFSET);
-       traceLen = 0;
-
-       // Setup SSC
-       FpgaSetupSsc();
-       // Start from off (no field generated)
-       // Signal field is off with the appropriate LED
-       LED_D_OFF();
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
+       uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
 
-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+    int read_status= 0;
+    bool abort_after_read = arg0 & FLAG_ICLASS_READER_ONLY_ONCE;
 
-       // Now give it time to spin up.
-       // Signal field is on with the appropriate LED
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-       SpinDelay(200);
+    setupIclassReader();
 
-       LED_A_ON();
-
-       for(;;) {
-       
-               if(traceLen > TRACE_SIZE) {
-                       DbpString("Trace full");
-                       break;
-               }
-               
-               if (BUTTON_PRESS()) break;
+    size_t datasize = 0;
+    while(!BUTTON_PRESS())
+    {
+        WDT_HIT();
 
-               // Send act_all
-               ReaderTransmitIClass(act_all, 1);
-               // Card present?
-               if(ReaderReceiveIClass(resp)) {
-                       ReaderTransmitIClass(identify, 1);
-                       if(ReaderReceiveIClass(resp) == 10) {
-                               // Select card          
-                               memcpy(&select[1],resp,8);
-                               ReaderTransmitIClass(select, sizeof(select));
+        // Send act_all
+        ReaderTransmitIClass(act_all, 1);
+        // Card present?
+        if(ReaderReceiveIClass(resp)) {
+
+            ReaderTransmitIClass(identify, 1);
+
+            if(ReaderReceiveIClass(resp) == 10) {
+                //Copy the Anti-collision CSN to our select-packet
+                memcpy(&select[1],resp,8);
+                //Dbprintf("Anti-collision CSN: %02x %02x %02x %02x %02x %02x %02x %02x",resp[0], resp[1], resp[2],
+                //        resp[3], resp[4], resp[5],
+                //        resp[6], resp[7]);
+                //Select the card
+                ReaderTransmitIClass(select, sizeof(select));
+
+                if(ReaderReceiveIClass(resp) == 10) {
+                    //Save CSN in response data
+                    memcpy(card_data,resp,8);
+                    datasize += 8;
+                    //Flag that we got to at least stage 1, read CSN
+                    read_status = 1;
+
+                    // Card selected
+                    //Dbprintf("Readcheck on Sector 2");
+                    ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
+                    if(ReaderReceiveIClass(resp) == 8) {
+                        //Save CC (e-purse) in response data
+                        memcpy(card_data+8,resp,8);
+                        datasize += 8;
+                        //Got both
+                        read_status = 2;
+                    }
+
+                    LED_B_ON();
+                    //Send back to client, but don't bother if we already sent this
+                    if(memcmp(last_csn, card_data, 8) != 0)
+                        cmd_send(CMD_ACK,read_status,0,0,card_data,datasize);
+
+                    //Save that we already sent this....
+                    if(read_status ==  2)
+                        memcpy(last_csn, card_data, 8);
+
+                    LED_B_OFF();
+
+                    if(abort_after_read) break;
+                }
+            }
+        }
 
-                               if(ReaderReceiveIClass(resp) == 10) {
-                                       Dbprintf("     Selected CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
-                                       resp[0], resp[1], resp[2],
-                                       resp[3], resp[4], resp[5],
-                                       resp[6], resp[7]);
-                               }
-                               // Card selected, whats next... ;-)
-                       }
-               }
-               WDT_HIT();
-       }
-       
-       LED_A_OFF();
+        if(traceLen > TRACE_SIZE) {
+            DbpString("Trace full");
+            break;
+        }
+    }
+    LED_A_OFF();
 }
 
 void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
@@ -1555,26 +1592,8 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
        
        uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
 
-       // Reset trace buffer
-    memset(trace, 0x44, RECV_CMD_OFFSET);
-       traceLen = 0;
-
-       // Setup SSC
-       FpgaSetupSsc();
-       // Start from off (no field generated)
-       // Signal field is off with the appropriate LED
-       LED_D_OFF();
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
-
-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
-
-       // Now give it time to spin up.
-       // Signal field is on with the appropriate LED
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-       SpinDelay(200);
+    setupIclassReader();
 
-       LED_A_ON();
 
        for(int i=0;i<1;i++) {
        
@@ -1613,8 +1632,8 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
                                Dbprintf("Authenticate");
                                //for now replay captured auth (as cc not updated)
                                memcpy(check+5,MAC,4);
-                               Dbprintf("     AA: %02x %02x %02x %02x",
-                                       check[5], check[6], check[7],check[8]);
+                //Dbprintf("     AA: %02x %02x %02x %02x",
+                //     check[5], check[6], check[7],check[8]);
                                ReaderTransmitIClass(check, sizeof(check));
                                if(ReaderReceiveIClass(resp) == 4) {
                                   Dbprintf("     AR: %02x %02x %02x %02x",
@@ -1675,103 +1694,6 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
        LED_A_OFF();
 }
 
-//1. Create Method to Read sectors/blocks 0,1,2 and Send to client
-void IClass_iso14443A_GetPublic(uint8_t arg0) {
-       uint8_t act_all[]     = { 0x0a };
-       uint8_t identify[]    = { 0x0c };
-       uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-       uint8_t readcheck_cc[]= { 0x88, 0x02 }; 
-       //uint8_t read[]        = { 0x0c, 0x00, 0x00, 0x00 };   
-       uint8_t card_data[24]={0};
-       
-       //bool read_success=false;
-       uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
-
-       // Reset trace buffer
-    memset(trace, 0x44, RECV_CMD_OFFSET);
-       traceLen = 0;
-
-       // Setup SSC
-       FpgaSetupSsc();
-       // Start from off (no field generated)
-       // Signal field is off with the appropriate LED
-       LED_D_OFF();
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
-
-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
-
-       // Now give it time to spin up.
-       // Signal field is on with the appropriate LED
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-       SpinDelay(200);
-
-       LED_A_ON();
-
-       for(int i=0;i<1;i++) {
-       
-               if(traceLen > TRACE_SIZE) {
-                       DbpString("Trace full");
-                       break;
-               }
-               
-               if (BUTTON_PRESS()) break;
-
-               // Send act_all
-               ReaderTransmitIClass(act_all, 1);
-               // Card present?
-               if(ReaderReceiveIClass(resp)) {
-                       ReaderTransmitIClass(identify, 1);
-                       if(ReaderReceiveIClass(resp) == 10) {
-                               // Select card          
-                               memcpy(&select[1],resp,8);
-                               ReaderTransmitIClass(select, sizeof(select));
-
-                               if(ReaderReceiveIClass(resp) == 10) {
-                                       Dbprintf("     Selected CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
-                                       resp[0], resp[1], resp[2],
-                                       resp[3], resp[4], resp[5],
-                                       resp[6], resp[7]);
-                               }
-                               memcpy(card_data,resp,8);
-                               // Card selected
-                               Dbprintf("Readcheck on Sector 2");
-                               ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
-                               if(ReaderReceiveIClass(resp) == 8) {
-                                  Dbprintf("     CC: %02x %02x %02x %02x %02x %02x %02x %02x",
-                                       resp[0], resp[1], resp[2],
-                                       resp[3], resp[4], resp[5],
-                                       resp[6], resp[7]);
-                               }
-                               memcpy(card_data+8,resp,8);
-                               //prep to read config block
-                               /*  read card configuration block
-                                 while(!read_success){
-                                 uint8_t sector_config=0x01;
-                                 memcpy(read+1,&sector_config,1);
-                                 ReaderTransmitIClass(read, sizeof(read));
-                                 if(ReaderReceiveIClass(resp) == 8) {
-                                   Dbprintf("     CC: %02x %02x %02x %02x %02x %02x %02x %02x",
-                                       resp[0], resp[1], resp[2],
-                                       resp[3], resp[4], resp[5],
-                                       resp[6], resp[7]);
-                                       read_success=true;
-                    memcpy(card_data+16,resp,8);
-                                 }
-                               }*/
-                       }
-               }
-               WDT_HIT();
-       }
-       //Dbprintf("DEBUG: %02x%02x%02x%02x%02x%02x%02x%02x",card_data[0],card_data[1],card_data[2],card_data[3],card_data[4],card_data[5],card_data[6],card_data[7]);
-       //Dbprintf("DEBUG: %02x%02x%02x%02x%02x%02x%02x%02x",card_data[8],card_data[9],card_data[10],card_data[11],card_data[12],card_data[13],card_data[14],card_data[15]);
-       LED_A_OFF();
-       LED_B_ON();
-       //send data back to the client
-    cmd_send(CMD_ACK,0,0,0,card_data,16);
-       LED_B_OFF();
-}
-
 //2. Create Read method (cut-down from above) based off responses from 1. 
 //   Since we have the MAC could continue to use replay function.
 //3. Create Write method
@@ -1790,7 +1712,7 @@ void IClass_iso14443A_write(uint8_t arg0, uint8_t blockNo, uint8_t *data, uint8_
        uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
 
        // Reset trace buffer
-    memset(trace, 0x44, RECV_CMD_OFFSET);
+       memset(trace, 0x44, RECV_CMD_OFFSET);
        traceLen = 0;
 
        // Setup SSC
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