]> git.zerfleddert.de Git - proxmark3-svn/commitdiff
FIX: "hf list 7816", the s-blocks is now also printed.
authoriceman1001 <iceman@iuse.se>
Sun, 19 Jul 2015 21:24:19 +0000 (23:24 +0200)
committericeman1001 <iceman@iuse.se>
Sun, 19 Jul 2015 21:24:19 +0000 (23:24 +0200)
FIX: iso14443b.c got some minor adjustments in the demod and codeas14443btag. Seems it works better for me.
I still have the problem with powerup of a 14b tag.  I need to run the "14b raw -c -p 05 00 08" a couple of times before I get an answer.

armsrc/iso14443b.c
armsrc/mifaredesfire.c
client/cmdhf.c

index 7423a8ed335b60c9782e3f6e60cb122af5cc8334..0528039944bb63f561ea2af8bd0756657e5d345a 100644 (file)
@@ -15,7 +15,7 @@
 #include "string.h"
 #include "iso14443crc.h"
 #include "common.h"
-#define RECEIVE_SAMPLES_TIMEOUT 800000
+#define RECEIVE_SAMPLES_TIMEOUT 600000
 #define ISO14443B_DMA_BUFFER_SIZE 256
 
 
@@ -106,7 +106,7 @@ static void CodeIso14443bAsTag(const uint8_t *cmd, int len)
                ToSendStuffBit(0);
                ToSendStuffBit(0);
        }
-       for(i = 0; i < 10; i++) {
+       for(i = 0; i < 2; i++) {
                ToSendStuffBit(1);
                ToSendStuffBit(1);
                ToSendStuffBit(1);
@@ -527,13 +527,20 @@ static struct {
  */
 static RAMFUNC int Handle14443bSamplesDemod(int ci, int cq)
 {
-       int v;
-       int ai, aq;
+       int v = 0;
+       int ai = abs(ci);
+       int aq = abs(cq);
+       int halfci = (ai >> 1);
+       int halfcq = (aq >> 1);
 
 // The soft decision on the bit uses an estimate of just the
 // quadrant of the reference angle, not the exact angle.
 #define MAKE_SOFT_DECISION() { \
-               v = (Demod.sumI > 0) ? ci : -ci;\
+               if(Demod.sumI > 0) { \
+                       v = ci; \
+               } else { \
+                       v = -ci; \
+               } \
                if(Demod.sumQ > 0) { \
                        v += cq; \
                } else { \
@@ -543,23 +550,9 @@ static RAMFUNC int Handle14443bSamplesDemod(int ci, int cq)
 
 #define SUBCARRIER_DETECT_THRESHOLD    8
 
-// Subcarrier amplitude v = sqrt(ci^2 + cq^2), approximated here by abs(ci) + abs(cq)
-/* #define CHECK_FOR_SUBCARRIER() { \
-               v = ci; \
-               if(v < 0) v = -v; \
-               if(cq > 0) { \
-                       v += cq; \
-               } else { \
-                       v -= cq; \
-               } \
-       }               
- */
-
 // Subcarrier amplitude v = sqrt(ci^2 + cq^2), approximated here by max(abs(ci),abs(cq)) + 1/2*min(abs(ci),abs(cq)))
 #define CHECK_FOR_SUBCARRIER() { \
-               ai = (abs(ci) >> 1); \
-               aq = (abs(cq) >> 1); \
-               v = MAX(abs(ci), abs(cq)) + MIN(ai, aq); \
+               v = MAX(ai, aq) + MIN(halfci, halfcq); \
 }
 
 
@@ -575,7 +568,8 @@ static RAMFUNC int Handle14443bSamplesDemod(int ci, int cq)
                        break;
 
                case DEMOD_PHASE_REF_TRAINING:
-                       if(Demod.posCount < 10*2) {
+                       if(Demod.posCount < 8) {
+                       //if(Demod.posCount < 10*2) {
                                CHECK_FOR_SUBCARRIER();
                                if (v > SUBCARRIER_DETECT_THRESHOLD) {
                                        // set the reference phase (will code a logic '1') by averaging over 32 1/fs.
@@ -594,7 +588,7 @@ static RAMFUNC int Handle14443bSamplesDemod(int ci, int cq)
                case DEMOD_AWAITING_FALLING_EDGE_OF_SOF:
                        MAKE_SOFT_DECISION();
                        //Dbprintf("ICE: %d %d %d %d %d", v, Demod.sumI, Demod.sumQ, ci, cq );
-                       if(v < 0) {     // logic '0' detected
+                       if(v <= 0) {    // logic '0' detected
                                Demod.state = DEMOD_GOT_FALLING_EDGE_OF_SOF;
                                Demod.posCount = 0;     // start of SOF sequence
                        } else {
@@ -767,7 +761,7 @@ static void GetSamplesFor14443bDemod(int n, bool quiet)
                        }
                        lastRxCounter -= 2;
                        if(lastRxCounter <= 0) {
-                               lastRxCounter += ISO14443B_DMA_BUFFER_SIZE;
+                               lastRxCounter = ISO14443B_DMA_BUFFER_SIZE;
                        }
 
                        samples += 2;
@@ -1012,6 +1006,8 @@ void iso14443b_setup() {
        // Signal field is on with the appropriate LED
     LED_D_ON();
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX | FPGA_HF_READER_TX_SHALLOW_MOD);
+       
+       SpinDelay(100);
 
        // Start the timer
        //StartCountSspClk();
index 9ab9b66bea1750fce2ecaaf16f98c70470d06004..4d68bf5fc9a7e6ddf32d6a6064362d4eb6e458dc 100644 (file)
@@ -447,9 +447,7 @@ int DesfireAPDU(uint8_t *cmd, size_t cmd_len, uint8_t *dataout){
        len = ReaderReceive(resp, par);
        
        if( len == 0x00 ){
-               if (MF_DBGLEVEL >= 4) {
-                       Dbprintf("fukked");
-               }
+               if (MF_DBGLEVEL >= 4) Dbprintf("fukked");
                return FALSE; //DATA LINK ERROR
        }
        // if we received an I- or R(ACK)-Block with a block number equal to the
index 538e973e2a99a6a0a470dae125d1435b92834961..d7a52f6b3531bf09839cb60352c07cd7e9896260 100644 (file)
@@ -207,29 +207,50 @@ void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
        }
 }
 
+// iso 7816-3 
 void annotateIso7816(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
-
-       int pos = (cmd[0] == 2 ||  cmd[0] == 3) ? 2 : 3;
-
-       switch ( cmd[pos] ){
-               case ISO7816_READ_BINARY                                :snprintf(exp, size, "READ BIN");break;
-               case ISO7816_WRITE_BINARY                               :snprintf(exp, size, "WRITE BIN");break;
-               case ISO7816_UPDATE_BINARY                              :snprintf(exp, size, "UPDATE BIN");break;
-               case ISO7816_ERASE_BINARY                               :snprintf(exp, size, "ERASE BIN");break;
-               case ISO7816_READ_RECORDS                               :snprintf(exp, size, "READ RECORDS");break;
-               case ISO7816_WRITE_RECORDS                              :snprintf(exp, size, "WRITE RECORDS");break;
-               case ISO7816_APPEND_RECORD                              :snprintf(exp, size, "APPEND RECORD");break;
-               case ISO7816_UPDATE_RECORD                              :snprintf(exp, size, "UPDATE RECORD");break;
-               case ISO7816_GET_DATA                                   :snprintf(exp, size, "GET DATA");break;
-               case ISO7816_PUT_DATA                                   :snprintf(exp, size, "PUT DATA");break;
-               case ISO7816_SELECT_FILE                                :snprintf(exp, size, "SELECT FILE");break;
-               case ISO7816_VERIFY                                             :snprintf(exp, size, "VERIFY");break;
-               case ISO7816_INTERNAL_AUTHENTICATION    :snprintf(exp, size, "INTERNAL AUTH");break;
-               case ISO7816_EXTERNAL_AUTHENTICATION    :snprintf(exp, size, "EXTERNAL AUTH");break;
-               case ISO7816_GET_CHALLENGE                              :snprintf(exp, size, "GET CHALLENGE");break;
-               case ISO7816_MANAGE_CHANNEL                             :snprintf(exp, size, "MANAGE CHANNEL");break;
-               default                                                                 :snprintf(exp,size,"?"); break;
- }
+       // S-block
+       if ( (cmd[0] & 0xC0) && (cmdsize == 3) ) {              
+               switch ( (cmd[0] & 0x3f)  ) {
+                       case 0x00       : snprintf(exp, size, "S-block RESYNCH req"); break;
+                       case 0x20       : snprintf(exp, size, "S-block RESYNCH resp"); break;
+                       case 0x01       : snprintf(exp, size, "S-block IFS req"); break;
+                       case 0x21       : snprintf(exp, size, "S-block IFS resp"); break;
+                       case 0x02       : snprintf(exp, size, "S-block ABORT req"); break;
+                       case 0x22       : snprintf(exp, size, "S-block ABORT resp"); break;
+                       case 0x03       : snprintf(exp, size, "S-block WTX reqt"); break;
+                       case 0x23       : snprintf(exp, size, "S-block WTX resp"); break;
+                       default         : snprintf(exp, size, "S-block"); break;
+               }               
+       }
+       // R-block (ack)
+       else if ( ((cmd[0] & 0xD0) == 0x80) && ( cmdsize > 2) ) {
+               snprintf(exp, size, "R-block");
+       }
+       // I-block
+       else {
+
+               int pos = (cmd[0] == 2 ||  cmd[0] == 3) ? 2 : 3;
+               switch ( cmd[pos] ){
+                       case ISO7816_READ_BINARY                                :snprintf(exp, size, "READ BIN");break;
+                       case ISO7816_WRITE_BINARY                               :snprintf(exp, size, "WRITE BIN");break;
+                       case ISO7816_UPDATE_BINARY                              :snprintf(exp, size, "UPDATE BIN");break;
+                       case ISO7816_ERASE_BINARY                               :snprintf(exp, size, "ERASE BIN");break;
+                       case ISO7816_READ_RECORDS                               :snprintf(exp, size, "READ RECORDS");break;
+                       case ISO7816_WRITE_RECORDS                              :snprintf(exp, size, "WRITE RECORDS");break;
+                       case ISO7816_APPEND_RECORD                              :snprintf(exp, size, "APPEND RECORD");break;
+                       case ISO7816_UPDATE_RECORD                              :snprintf(exp, size, "UPDATE RECORD");break;
+                       case ISO7816_GET_DATA                                   :snprintf(exp, size, "GET DATA");break;
+                       case ISO7816_PUT_DATA                                   :snprintf(exp, size, "PUT DATA");break;
+                       case ISO7816_SELECT_FILE                                :snprintf(exp, size, "SELECT FILE");break;
+                       case ISO7816_VERIFY                                             :snprintf(exp, size, "VERIFY");break;
+                       case ISO7816_INTERNAL_AUTHENTICATION    :snprintf(exp, size, "INTERNAL AUTH");break;
+                       case ISO7816_EXTERNAL_AUTHENTICATION    :snprintf(exp, size, "EXTERNAL AUTH");break;
+                       case ISO7816_GET_CHALLENGE                              :snprintf(exp, size, "GET CHALLENGE");break;
+                       case ISO7816_MANAGE_CHANNEL                             :snprintf(exp, size, "MANAGE CHANNEL");break;
+                       default                                                                 :snprintf(exp,size,"?"); break;
+               }
+       }
 }
 
 /**
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