]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/iso15693.c
ADD: @marshmellow42 's new "-g" search for crc in a hexstring *great*
[proxmark3-svn] / armsrc / iso15693.c
index 42cb0ab89c3c7bd3faee2958dfdff9b326e1c145..94040a85796a36eb38b7e5976b2339123845234f 100644 (file)
 // *) document all the functions
 
 
-#include "../include/proxmark3.h"
+#include "proxmark3.h"
 #include "util.h"
 #include "apps.h"
 #include "string.h"
-#include "../common/iso15693tools.h"
-#include "../common/cmd.h"
-#include "crapto1.h"
-#include "mifareutil.h"
+#include "iso15693tools.h"
+#include "cmd.h"
 
 #define arraylen(x) (sizeof(x)/sizeof((x)[0]))
 
@@ -298,7 +296,7 @@ static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int
 static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
 {
        int c = 0;
-       uint8_t *dest = (uint8_t *)BigBuf;
+       uint8_t *dest = BigBuf_get_addr();
        int getNext = 0;
 
        int8_t prev = 0;
@@ -448,12 +446,12 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
 static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
 {
        int c = 0;
-       uint8_t *dest = (uint8_t *)BigBuf;
+       uint8_t *dest = BigBuf_get_addr();
        int getNext = 0;
 
        int8_t prev = 0;
 
-    // NOW READ RESPONSE
+// NOW READ RESPONSE
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        //spindelay(60);        // greg - experiment to get rid of some of the 0 byte/failed reads
        c = 0;
@@ -463,8 +461,7 @@ static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int
                        AT91C_BASE_SSC->SSC_THR = 0x43;
                }
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
-                       int8_t b;
-                       b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
+                       int8_t b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
 
                        // The samples are correlations against I and Q versions of the
                        // tone that the tag AM-modulates, so every other sample is I,
@@ -599,7 +596,7 @@ static void BuildIdentifyRequest(void);
 //-----------------------------------------------------------------------------
 void AcquireRawAdcSamplesIso15693(void)
 {
-       uint8_t *dest =  mifare_get_bigbufptr();
+       uint8_t *dest = BigBuf_get_addr();
 
        int c = 0;
        int getNext = 0;
@@ -681,7 +678,7 @@ void AcquireRawAdcSamplesIso15693(void)
 
 void RecordRawAdcSamplesIso15693(void)
 {
-       uint8_t *dest =  mifare_get_bigbufptr();
+       uint8_t *dest = BigBuf_get_addr();
 
        int c = 0;
        int getNext = 0;
@@ -692,8 +689,8 @@ void RecordRawAdcSamplesIso15693(void)
        FpgaSetupSsc();
 
        // Start from off (no field generated)
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       SpinDelay(200);
 
        SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
 
@@ -837,27 +834,27 @@ static void BuildReadBlockRequest(uint8_t *uid, uint8_t blockNumber )
 // Now the VICC>VCD responses when we are simulating a tag
  static void BuildInventoryResponse( uint8_t *uid)
 {
-       uint8_t cmd[13];
+       uint8_t cmd[12];
 
        uint16_t crc;
        // one sub-carrier, inventory, 1 slot, fast rate
        // AFI is at bit 5 (1<<4) when doing an INVENTORY
-       cmd[0] = 0x0d;   // COM LEN? Data 8 + 4 //(1 << 2) | (1 << 5) | (1 << 1);
-       cmd[1] = 0; // com_Adr
-       cmd[2] = 0; // status   00 = success
+    //(1 << 2) | (1 << 5) | (1 << 1);
+       cmd[0] = 0; // 
+       cmd[1] = 0; // DSFID (data storage format identifier).  0x00 = not supported
        // 64-bit UID
-       cmd[3] = uid[7]; //0x32;
-       cmd[4] = uid[6]; //0x4b;
-       cmd[5] = uid[5]; //0x03;
-       cmd[6] = uid[4]; //0x01;
-       cmd[7] = uid[3]; //0x00;
-       cmd[8] = uid[2]; //0x10;
-       cmd[9] = uid[1]; //0x05;
-       cmd[10] = uid[0]; //0xe0;
+       cmd[2] = uid[7]; //0x32;
+       cmd[3] = uid[6]; //0x4b;
+       cmd[4] = uid[5]; //0x03;
+       cmd[5] = uid[4]; //0x01;
+       cmd[6] = uid[3]; //0x00;
+       cmd[7] = uid[2]; //0x10;
+       cmd[8] = uid[1]; //0x05;
+       cmd[9] = uid[0]; //0xe0;
        //Now the CRC
        crc = Crc(cmd, 10);
-       cmd[11] = crc & 0xff;
-       cmd[12] = crc >> 8;
+       cmd[10] = crc & 0xff;
+       cmd[11] = crc >> 8;
 
        CodeIso15693AsReader(cmd, sizeof(cmd));
 }
@@ -881,8 +878,8 @@ int SendDataTag(uint8_t *send, int sendlen, int init, int speed, uint8_t **recv)
        LED_D_OFF();
        
        int answerLen=0;
-       uint8_t *answer = (((uint8_t *)BigBuf) + 3660);
-       if (recv!=NULL) memset(BigBuf + 3660, 0, 100);
+       uint8_t *answer = BigBuf_get_addr() + 3660;
+       if (recv != NULL) memset(answer, 0, 100);
 
        if (init) Iso15693InitReader();
        
@@ -995,16 +992,16 @@ void SetDebugIso15693(uint32_t debug) {
 // Simulate an ISO15693 reader, perform anti-collision and then attempt to read a sector
 // all demodulation performed in arm rather than host. - greg
 //-----------------------------------------------------------------------------
-void ReaderIso15693(uint32_t parameter )
+void ReaderIso15693(uint32_t parameter)
 {
        LED_A_ON();
        LED_B_ON();
        LED_C_OFF();
        LED_D_OFF();
 
-       uint8_t *answer1 = (((uint8_t *)BigBuf) + 3660); //
-       uint8_t *answer2 = (((uint8_t *)BigBuf) + 3760);
-       uint8_t *answer3 = (((uint8_t *)BigBuf) + 3860);
+       uint8_t *answer1 = BigBuf_get_addr() + 3660;
+       uint8_t *answer2 = BigBuf_get_addr() + 3760;
+       uint8_t *answer3 = BigBuf_get_addr() + 3860;
 
        int answerLen1 = 0;
        int answerLen2 = 0;
@@ -1016,9 +1013,9 @@ void ReaderIso15693(uint32_t parameter )
        int elapsed = 0;
        uint8_t TagUID[8] = {0x00};
 
-        
+
        // Blank arrays
-       memset(BigBuf + 3660, 0x00, 300);
+       memset(answer1, 0x00, 300);
 
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
@@ -1027,9 +1024,9 @@ void ReaderIso15693(uint32_t parameter )
        FpgaSetupSsc();
 
        // Start from off (no field generated)
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
-       
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       SpinDelay(200);
+
        // Give the tags time to energize
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(200);
@@ -1068,7 +1065,7 @@ void ReaderIso15693(uint32_t parameter )
        Dbhexdump(answerLen1,answer1,true);
 
        // UID is reverse
-       if (answerLen1 >= 12) 
+       if (answerLen1>=12) 
                Dbprintf("UID = %02hX%02hX%02hX%02hX%02hX%02hX%02hX%02hX",
                        TagUID[7],TagUID[6],TagUID[5],TagUID[4],
                        TagUID[3],TagUID[2],TagUID[1],TagUID[0]);
@@ -1082,14 +1079,14 @@ void ReaderIso15693(uint32_t parameter )
        DbdecodeIso15693Answer(answerLen3,answer3);
        Dbhexdump(answerLen3,answer3,true);
 
-       // read all pages
-       if (answerLen1 >= 12 && DEBUG) {
+       // read all pages
+       if (answerLen1>=12 && DEBUG) {
                i=0;                    
-               while (i < 32) {  // sanity check, assume max 32 pages
+               while (i<32) {  // sanity check, assume max 32 pages
                        BuildReadBlockRequest(TagUID,i);
-                       TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);  
-                       answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed);
-                       if (answerLen2 > 0) {
+             TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);  
+         answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed);
+                       if (answerLen2>0) {
                                Dbprintf("READ SINGLE BLOCK %d returned %d octets:",i,answerLen2);
                                DbdecodeIso15693Answer(answerLen2,answer2);
                                Dbhexdump(answerLen2,answer2,true);
@@ -1114,19 +1111,16 @@ void SimTagIso15693(uint32_t parameter, uint8_t *uid)
        LED_C_OFF();
        LED_D_OFF();
 
-       uint8_t *buf = (((uint8_t *)BigBuf) + 3660); //
+       uint8_t *buf = BigBuf_get_addr() + 3660;
        
        int answerLen1 = 0;
        int samples = 0;
        int tsamples = 0;
        int wait = 0;
        int elapsed = 0;
-       
+
        memset(buf, 0x00, 100);
-       
-       // Inventory response
-       BuildInventoryResponse(uid);
-       
+
        FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
        SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
@@ -1134,8 +1128,8 @@ void SimTagIso15693(uint32_t parameter, uint8_t *uid)
        FpgaSetupSsc();
 
        // Start from off (no field generated)
-    FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-    SpinDelay(200);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       SpinDelay(200);
 
        LED_A_OFF();
        LED_B_OFF();
@@ -1149,13 +1143,20 @@ void SimTagIso15693(uint32_t parameter, uint8_t *uid)
        {
                // Build a suitable reponse to the reader INVENTORY cocmmand
                // not so obsvious, but in the call to BuildInventoryResponse,  the command is copied to the global ToSend buffer used below.
-               TransmitTo15693Reader(ToSend, ToSendMax, &tsamples, &wait);
+               
+               BuildInventoryResponse(uid);
+       
+               TransmitTo15693Reader(ToSend,ToSendMax, &tsamples, &wait);
        }
 
        Dbprintf("%d octets read from reader command: %x %x %x %x %x %x %x %x %x", answerLen1,
                buf[0], buf[1], buf[2], buf[3],
                buf[4], buf[5], buf[6], buf[7], buf[8]);
 
+       Dbprintf("Simulationg uid: %x %x %x %x %x %x %x %x",
+               uid[0], uid[1], uid[2], uid[3],
+               uid[4], uid[5], uid[6], uid[7]);
+
        LED_A_OFF();
        LED_B_OFF();
        LED_C_OFF();
@@ -1212,7 +1213,7 @@ void BruteforceIso15693Afi(uint32_t speed)
 void DirectTag15693Command(uint32_t datalen,uint32_t speed, uint32_t recv, uint8_t data[]) {
 
        int recvlen=0;
-       uint8_t *recvbuf=(uint8_t *)BigBuf;
+       uint8_t *recvbuf = BigBuf_get_addr();
 //     UsbCommand n;
        
        if (DEBUG) {
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