X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6658905f18a1eebc148836f26c731dea9c1377dc..94f6d4a683bc2ea2826a9c6528120fb5a109da26:/armsrc/iso14443a.c?ds=sidebyside diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c index a687d877..c5557d39 100644 --- a/armsrc/iso14443a.c +++ b/armsrc/iso14443a.c @@ -5,7 +5,7 @@ //----------------------------------------------------------------------------- #include #include "apps.h" -#include "..\common\iso14443_crc.c" +#include "../common/iso14443_crc.c" typedef enum { SEC_D = 1, @@ -516,8 +516,8 @@ void SnoopIso14443a(void) #define RECV_RES_OFFSET 3096 #define DMA_BUFFER_OFFSET 3160 #define DMA_BUFFER_SIZE 4096 - #define TRACE_LENGTH 3000 - + #define TRACE_LENGTH 3000 + // #define RECV_CMD_OFFSET 2032 // original (working as of 21/2/09) values // #define RECV_RES_OFFSET 2096 // original (working as of 21/2/09) values // #define DMA_BUFFER_OFFSET 2160 // original (working as of 21/2/09) values @@ -567,6 +567,8 @@ void SnoopIso14443a(void) Uart.state = STATE_UNSYNCD; // And put the FPGA in the appropriate mode + // Signal field is off with the appropriate LED + LED_D_OFF(); FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_SNIFFER); SetAdcMuxFor(GPIO_MUXSEL_HIPKD); @@ -841,6 +843,8 @@ static BOOL GetIso14443aCommandFromReader(BYTE *received, int *len, int maxLen) { // Set FPGA mode to "simulated ISO 14443 tag", no modulation (listen // only, since we are receiving, not transmitting). + // Signal field is off with the appropriate LED + LED_D_OFF(); FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_TAGSIM_LISTEN); // Now run a `software UART' on the stream of incoming samples. @@ -893,8 +897,8 @@ void SimulateIso14443aTag(int tagType, int TagUid) // my desfire static const BYTE response2[] = { 0x88, 0x04, 0x21, 0x3f, 0x4d }; // known uid - note cascade (0x88), 2nd byte (0x04) = NXP/Phillips - - + + // When reader selects us during cascade1 it will send cmd3 //BYTE response3[] = { 0x04, 0x00, 0x00 }; // SAK Select (cascade1) successful response (ULTRALITE) BYTE response3[] = { 0x24, 0x00, 0x00 }; // SAK Select (cascade1) successful response (DESFire) @@ -909,7 +913,7 @@ static const BYTE response2a[] = { 0x51, 0x48, 0x1d, 0x80, 0x84 }; // uid - cas //BYTE response3a[] = { 0x00, 0x00, 0x00 }; // SAK Select (cascade2) successful response (ULTRALITE) BYTE response3a[] = { 0x20, 0x00, 0x00 }; // SAK Select (cascade2) successful response (DESFire) ComputeCrc14443(CRC_14443_A, response3a, 1, &response3a[1], &response3a[2]); - + // When reader tries to authenticate // static const BYTE cmd5[] = { 0x60, 0x00, 0xf5, 0x7b }; static const BYTE response5[] = { 0x00, 0x00, 0x00, 0x00 }; // Very random tag nonce @@ -1434,8 +1438,10 @@ static BOOL GetIso14443aAnswerFromTag(BYTE *receivedResponse, int maxLen, int *s // buffer needs to be 512 bytes int c; - // Set FPGA mode to "simulated ISO 14443 tag", no modulation (listen + // Set FPGA mode to "reader listen mode", no modulation (listen // only, since we are receiving, not transmitting). + // Signal field is on with the appropriate LED + LED_D_ON(); FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_LISTEN); // Now get the answer from the card @@ -1528,7 +1534,7 @@ void ReaderIso14443a(DWORD parameter) int traceLen = 0; int rsamples = 0; - memset(trace, 0x44, 2000); // was 2000 - tied to oter size chnages + memset(trace, 0x44, 2000); // was 2000 - tied to oter size chnages // setting it to 3000 causes no tag responses to be detected (2900 is ok) // setting it to 1000 causes no tag responses to be detected @@ -1558,6 +1564,8 @@ void ReaderIso14443a(DWORD parameter) 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); @@ -1565,13 +1573,14 @@ void ReaderIso14443a(DWORD parameter) FpgaSetupSsc(); // Now give it time to spin up. + // Signal field is on with the appropriate LED + LED_D_ON(); FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD); SpinDelay(200); LED_A_ON(); LED_B_OFF(); LED_C_OFF(); - LED_D_OFF(); int samples = 0; int tsamples = 0; @@ -1684,9 +1693,9 @@ void ReaderIso14443a(DWORD parameter) traceLen += Demod.len; if(traceLen > TRACE_LENGTH) goto done; -// OK we have selected at least at cascade 1, lets see if first byte of UID was 0x88 in +// OK we have selected at least at cascade 1, lets see if first byte of UID was 0x88 in // which case we need to make a cascade 2 request and select - this is a long UID - if (receivedAnswer[0] = 0x88) + if (receivedAnswer[0] == 0x88) { // Do cascade level 2 stuff /////////////////////////////////////////////////////////////////// @@ -1759,14 +1768,7 @@ void ReaderIso14443a(DWORD parameter) traceLen += Demod.len; if(traceLen > TRACE_LENGTH) goto done; - - - - - - } - - + } // Secondly compute the two CRC bytes at the end ComputeCrc14443(CRC_14443_A, cmd5, 2, &cmd5[2], &cmd5[3]); @@ -1809,7 +1811,6 @@ done: LED_A_OFF(); LED_B_OFF(); LED_C_OFF(); - LED_D_OFF(); DbpIntegers(rsamples, 0xCC, 0xCC); DbpString("ready.."); }