]> git.zerfleddert.de Git - proxmark3-svn/commitdiff
Merge pull request #565 from Proxcloud/usb_android
authorIceman <iceman@iuse.se>
Sat, 17 Feb 2018 11:39:19 +0000 (12:39 +0100)
committerGitHub <noreply@github.com>
Sat, 17 Feb 2018 11:39:19 +0000 (12:39 +0100)
Allow non-root access on Android devices

19 files changed:
CHANGELOG.md
armsrc/iso14443a.c
armsrc/lfops.c
armsrc/lfsampling.c
armsrc/mifarecmd.h
armsrc/mifaresniff.c
client/Makefile
client/cmdhf.c
client/cmdhflist.c [new file with mode: 0644]
client/cmdhflist.h [new file with mode: 0644]
client/cmdhfmf.c
client/cmdlf.c
client/cmdmain.c
client/mifarehost.c
client/mifarehost.h
client/util.c
client/util.h
common/parity.h
common/protocols.h

index 4162c638d30e5d196700dda0c3f1dfbeee5effba..b7d20dcfb6594151b2d63fc873e4183070894335 100644 (file)
@@ -6,6 +6,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 ## [unreleased][unreleased]
 
 ### Changed
+- Adjusted `lf cmdread` to respond to client when complete and the client will then automatically call `data samples`
 - Improved backdoor detection missbehaving magic s50/1k tag (Fl0-0)
 - Deleted wipe functionality from `hf mf csetuid` (Merlok)
 - Changed `hf mf nested` logic (Merlok)
@@ -21,6 +22,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 - Changed start sequence in Qt mode (fix: short commands hangs main Qt thread) (Merlok)
 
 ### Added
+- Added a bitbang mode to `lf cmdread` if delay is 0 the cmd bits turn off and on the antenna with 0 and 1 respectively (marshmellow)
 - Added PAC/Stanley detection to lf search (marshmellow)
 - Added lf pac demod and lf pac read - extracts the raw blocks from a PAC/Stanley tag (marshmellow)
 - Added hf mf c* commands compatibity for 4k and gen1b backdoor (Fl0-0)
@@ -46,6 +48,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 - Added to `hf emv exec` MSD path for VISA and Mastercard and some other compatible EMV cards (Merlok)
 - Added to `hf emv exec` SDA, DDA, fast DDA, CDA calculations for VISA and Mastercard and some other compatible EMV cards (Merlok)
 - Added `hf emv test` - crypto tests for DES, AES, SHA, RSA, SDA, DDA, CDA and some other crypto functions (Merlok)
+- Added `hf list mf` - deciphers crypto1 stream and works with first authentication and weak nested authentications (Merlok)
 
 ## [3.0.1][2017-06-08]
 
index 6703cc65c7286cd041e19fda40b29e02604e16a2..a8273e5e1bc1fda9d4ea358d15258ab49f070611 100644 (file)
@@ -2151,9 +2151,7 @@ void ReaderMifare(bool first_try)
        uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
        uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
 
-       if (first_try) { 
-               iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD);
-       }
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD);
        
        // free eventually allocated BigBuf memory. We want all for tracing.
        BigBuf_free();
@@ -2161,9 +2159,9 @@ void ReaderMifare(bool first_try)
        clear_trace();
        set_tracing(true);
 
-       byte_t nt_diff = 0;
+       uint8_t nt_diff = 0;
        uint8_t par[1] = {0};   // maximum 8 Bytes to be sent here, 1 byte parity is therefore enough
-       static byte_t par_low = 0;
+       static uint8_t par_low = 0;
        bool led_on = true;
        uint8_t uid[10]  ={0};
        uint32_t cuid;
@@ -2171,11 +2169,11 @@ void ReaderMifare(bool first_try)
        uint32_t nt = 0;
        uint32_t previous_nt = 0;
        static uint32_t nt_attacked = 0;
-       byte_t par_list[8] = {0x00};
-       byte_t ks_list[8] = {0x00};
+       uint8_t par_list[8] = {0x00};
+       uint8_t ks_list[8] = {0x00};
 
        #define PRNG_SEQUENCE_LENGTH  (1 << 16);
-       static uint32_t sync_time;
+       uint32_t sync_time = GetCountSspClk() & 0xfffffff8;
        static int32_t sync_cycles;
        int catch_up_cycles = 0;
        int last_catch_up = 0;
@@ -2185,10 +2183,9 @@ void ReaderMifare(bool first_try)
 
        if (first_try) { 
                mf_nr_ar3 = 0;
-               sync_time = GetCountSspClk() & 0xfffffff8;
+               par[0] = par_low = 0;
                sync_cycles = PRNG_SEQUENCE_LENGTH;                                                     // theory: Mifare Classic's random generator repeats every 2^16 cycles (and so do the tag nonces).
                nt_attacked = 0;
-               par[0] = 0;
        }
        else {
                // we were unsuccessful on a previous call. Try another READER nonce (first 3 parity bits remain the same)
@@ -2204,6 +2201,7 @@ void ReaderMifare(bool first_try)
 
        #define MAX_UNEXPECTED_RANDOM   4               // maximum number of unexpected (i.e. real) random numbers when trying to sync. Then give up.
        #define MAX_SYNC_TRIES                  32
+       #define SYNC_TIME_BUFFER                16              // if there is only SYNC_TIME_BUFFER left before next planned sync, wait for next PRNG cycle
        #define NUM_DEBUG_INFOS                 8               // per strategy
        #define MAX_STRATEGY                    3
        uint16_t unexpected_random = 0;
@@ -2253,8 +2251,8 @@ void ReaderMifare(bool first_try)
                        sync_time = (sync_time & 0xfffffff8) + sync_cycles + catch_up_cycles;
                        catch_up_cycles = 0;
 
-                       // if we missed the sync time already, advance to the next nonce repeat
-                       while(GetCountSspClk() > sync_time) {
+                       // if we missed the sync time already or are about to miss it, advance to the next nonce repeat
+                       while(sync_time < GetCountSspClk() + SYNC_TIME_BUFFER) {
                                elapsed_prng_sequences++;
                                sync_time = (sync_time & 0xfffffff8) + sync_cycles;
                        }
@@ -2410,14 +2408,14 @@ void ReaderMifare(bool first_try)
                }
        }
        
-       byte_t buf[28];
+       uint8_t buf[32];
        memcpy(buf + 0,  uid, 4);
        num_to_bytes(nt, 4, buf + 4);
        memcpy(buf + 8,  par_list, 8);
        memcpy(buf + 16, ks_list, 8);
-       memcpy(buf + 24, mf_nr_ar, 4);
+       memcpy(buf + 24, mf_nr_ar, 8);
                
-       cmd_send(CMD_ACK, isOK, 0, 0, buf, 28);
+       cmd_send(CMD_ACK, isOK, 0, 0, buf, 32);
 
        // Thats it...
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
index 4344742b66696cf173490c380401356c4af458db..f3bbbf84e19f6f2527ba787a497e70437fda213e 100644 (file)
@@ -4,7 +4,7 @@
 // the license.
 //-----------------------------------------------------------------------------
 // Miscellaneous routines for low frequency tag operations.
-// Tags supported here so far are Texas Instruments (TI), HID
+// Tags supported here so far are Texas Instruments (TI), HID, EM4x05, EM410x
 // Also routines for raw mode reading/simulating of LF waveform
 //-----------------------------------------------------------------------------
 
  */
 void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint32_t period_1, uint8_t *command)
 {
+       // start timer
+       StartTicks();
 
-       int divisor_used = 95; // 125 KHz
-       // see if 'h' was specified
-
-       if (command[strlen((char *) command) - 1] == 'h')
-               divisor_used = 88; // 134.8 KHz
-
-       sample_config sc = { 0,0,1, divisor_used, 0};
-       setSamplingConfig(&sc);
-       //clear read buffer
-       BigBuf_Clear_keep_EM();
+       // use lf config settings
+       sample_config *sc = getSamplingConfig();
 
-       /* Make sure the tag is reset */
+       // Make sure the tag is reset
        FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(2500);
+       WaitMS(2500);
+
+       // clear read buffer (after fpga bitstream loaded...)
+       BigBuf_Clear_keep_EM();
 
-       LFSetupFPGAForADC(sc.divisor, 1);
+       // power on
+       LFSetupFPGAForADC(sc->divisor, 1);
 
        // And a little more time for the tag to fully power up
-       SpinDelay(2000);
-
+       WaitMS(2000);
+       // if delay_off = 0 then just bitbang 1 = antenna on 0 = off for respective periods.
+       bool bitbang = delay_off == 0;
        // now modulate the reader field
-       while(*command != '\0' && *command != ' ') {
+
+       if (bitbang) {
+               // HACK it appears the loop and if statements take up about 7us so adjust waits accordingly...
+               uint8_t hack_cnt = 7;
+               if (period_0 < hack_cnt || period_1 < hack_cnt) {
+                       DbpString("Warning periods cannot be less than 7us in bit bang mode");
+                       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+                       LED_D_OFF();
+                       return;
+               }
+
+               // hack2 needed---  it appears to take about 8-16us to turn the antenna back on 
+               // leading to ~ 1 to 2 125khz samples extra in every off period 
+               // so we should test for last 0 before next 1 and reduce period_0 by this extra amount...
+               // but is this time different for every antenna or other hw builds???  more testing needed
+
+               // prime cmd_len to save time comparing strings while modulating
+               int cmd_len = 0;
+               while(command[cmd_len] != '\0' && command[cmd_len] != ' ')
+                       cmd_len++;
+
+               int counter = 0;
+               bool off = false;
+               for (counter = 0; counter < cmd_len; counter++) {
+                       // if cmd = 0 then turn field off
+                       if (command[counter] == '0') {
+                               // if field already off leave alone (affects timing otherwise)
+                               if (off == false) {
+                                       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+                                       LED_D_OFF();
+                                       off = true;
+                               }
+                               // note we appear to take about 7us to switch over (or run the if statements/loop...)
+                               WaitUS(period_0-hack_cnt);
+                       // else if cmd = 1 then turn field on
+                       } else {
+                               // if field already on leave alone (affects timing otherwise)
+                               if (off) {
+                                       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
+                                       LED_D_ON();
+                                       off = false;
+                               }
+                               // note we appear to take about 7us to switch over (or run the if statements/loop...)
+                               WaitUS(period_1-hack_cnt);
+                       }
+               }
+       } else { // old mode of cmd read using delay as off period
+               while(*command != '\0' && *command != ' ') {
+                       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+                       LED_D_OFF();
+                       WaitUS(delay_off);
+                       FpgaSendCommand(FPGA_CMD_SET_DIVISOR, sc->divisor);
+                       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
+                       LED_D_ON();
+                       if(*(command++) == '0') {
+                               WaitUS(period_0);
+                       } else {
+                               WaitUS(period_1);
+                       }
+               }
                FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
                LED_D_OFF();
-               SpinDelayUs(delay_off);
-               FpgaSendCommand(FPGA_CMD_SET_DIVISOR, sc.divisor);
-
-               FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
-               LED_D_ON();
-               if(*(command++) == '0')
-                       SpinDelayUs(period_0);
-               else
-                       SpinDelayUs(period_1);
+               WaitUS(delay_off);
+               FpgaSendCommand(FPGA_CMD_SET_DIVISOR, sc->divisor);
        }
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       LED_D_OFF();
-       SpinDelayUs(delay_off);
-       FpgaSendCommand(FPGA_CMD_SET_DIVISOR, sc.divisor);
 
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
 
        // now do the read
        DoAcquisition_config(false, 0);
+
+       // Turn off antenna
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       // tell client we are done
+       cmd_send(CMD_ACK,0,0,0,0,0);
 }
 
 /* blank r/w tag data stream
index 084201a5a52c25825615896b1d8cd84ca29eecbf..3b0762653b7ea99ea2e1b2dcc1d01632e3dd08db 100644 (file)
@@ -266,7 +266,7 @@ uint32_t SnoopLF()
 }
 
 /**
-* acquisition of Cotag LF signal. Similart to other LF,  since the Cotag has such long datarate RF/384
+* acquisition of Cotag LF signal. Similar to other LF,  since the Cotag has such long datarate RF/384
 * and is Manchester?,  we directly gather the manchester data into bigbuff
 **/
 #define COTAG_T1 384
index 145e29898aa4bff8bd5954c108205c66bcbc6f82..e17fa998672659310ffff576697add799c297f31 100644 (file)
@@ -16,7 +16,6 @@
 #include "proxmark3.h"\r
 #include "apps.h"\r
 #include "util.h"\r
-#include "string.h"\r
 \r
 #include "iso14443crc.h"\r
 #include "iso14443a.h"\r
index 4e573be7dc9c630b6f6ec7c3b7ef21c351eafc3e..f20f2557868b007ac42d2553af605721a42b0456 100644 (file)
@@ -116,7 +116,7 @@ bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, ui
                        sniffState = SNF_CARD_CMD;
                }       // intentionally no break;
                case SNF_CARD_CMD:{     
-                       LogTrace(data, len, 0, 0, NULL, reader);
+                       LogTrace(data, len, 0, 0, parity, reader);
                        timerData = GetTickCount();
                        break;
                }
index bf64280304c5683212529ad2fa82f8de9e123074..bf3c8d36376c8a12157ad9062a2f9fdaddf6867a 100644 (file)
@@ -128,6 +128,7 @@ CMDSRCS =   crapto1/crapto1.c\
                        emv/test/cda_test.c\
                        emv/cmdemv.c\
                        cmdhf.c \
+                       cmdhflist.c \
                        cmdhf14a.c \
                        cmdhf14b.c \
                        cmdhf15.c \
index 7a2f3252f368e0648e28b68eaeb693af01a27c21..ab7bfcdfd85b8041a5bb01b873673d9162a78693 100644 (file)
@@ -1,5 +1,6 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
+// Merlok - 2017
 //
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
 // at your option, any later version. See the LICENSE.txt file for the text of
@@ -31,6 +32,7 @@
 #include "cmdhftopaz.h"
 #include "protocols.h"
 #include "emv/cmdemv.h"
+#include "cmdhflist.h"
 
 static int CmdHelp(const char *Cmd);
 
@@ -41,236 +43,6 @@ int CmdHFTune(const char *Cmd)
   return 0;
 }
 
-
-void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
-       switch(cmd[0])
-       {
-       case ISO14443A_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
-       case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
-               // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
-               // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
-               if(cmd[1] == 0x70)
-               {
-                       snprintf(exp,size,"SELECT_UID"); break;
-               }else
-               {
-                       snprintf(exp,size,"ANTICOLL"); break;
-               }
-       }
-       case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
-               //95 20 = Anticollision of cascade level2
-               //95 70 = Select of cascade level2
-               if(cmd[2] == 0x70)
-               {
-                       snprintf(exp,size,"SELECT_UID-2"); break;
-               }else
-               {
-                       snprintf(exp,size,"ANTICOLL-2"); break;
-               }
-       }
-       case ISO14443A_CMD_REQA:                snprintf(exp,size,"REQA"); break;
-       case ISO14443A_CMD_READBLOCK:   snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
-       case ISO14443A_CMD_WRITEBLOCK:  snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
-       case ISO14443A_CMD_HALT:                snprintf(exp,size,"HALT"); break;
-       case ISO14443A_CMD_RATS:                snprintf(exp,size,"RATS"); break;
-       case MIFARE_CMD_INC:                    snprintf(exp,size,"INC(%d)",cmd[1]); break;
-       case MIFARE_CMD_DEC:                    snprintf(exp,size,"DEC(%d)",cmd[1]); break;
-       case MIFARE_CMD_RESTORE:                snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
-       case MIFARE_CMD_TRANSFER:               snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
-       case MIFARE_AUTH_KEYA:{
-               if ( cmdsize > 3)
-                       snprintf(exp,size,"AUTH-A(%d)",cmd[1]); 
-               else
-                       //      case MIFARE_ULEV1_VERSION :  both 0x60.
-                       snprintf(exp,size,"EV1 VERSION");
-               break;
-       }
-       case MIFARE_AUTH_KEYB:                  snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
-       case MIFARE_MAGICWUPC1:                 snprintf(exp,size,"MAGIC WUPC1"); break;
-       case MIFARE_MAGICWUPC2:                 snprintf(exp,size,"MAGIC WUPC2"); break;
-       case MIFARE_MAGICWIPEC:                 snprintf(exp,size,"MAGIC WIPEC"); break;
-       case MIFARE_ULC_AUTH_1:         snprintf(exp,size,"AUTH "); break;
-       case MIFARE_ULC_AUTH_2:         snprintf(exp,size,"AUTH_ANSW"); break;
-       case MIFARE_ULEV1_AUTH:
-               if ( cmdsize == 7 )
-                       snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
-               else
-                       snprintf(exp,size,"PWD-AUTH");
-               break;
-       case MIFARE_ULEV1_FASTREAD:{
-               if ( cmdsize >=3 && cmd[2] <= 0xE6)
-                       snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]); 
-               else
-                       snprintf(exp,size,"?");
-               break;
-       }
-       case MIFARE_ULC_WRITE:{
-               if ( cmd[1] < 0x21 )
-                       snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); 
-               else
-                       snprintf(exp,size,"?");
-               break;
-       }
-       case MIFARE_ULEV1_READ_CNT:{
-               if ( cmd[1] < 5 )
-                       snprintf(exp,size,"READ CNT(%d)",cmd[1]);
-               else
-                       snprintf(exp,size,"?");
-               break;
-       }
-       case MIFARE_ULEV1_INCR_CNT:{
-               if ( cmd[1] < 5 )
-                       snprintf(exp,size,"INCR(%d)",cmd[1]);
-               else
-                       snprintf(exp,size,"?");
-               break;
-       }
-       case MIFARE_ULEV1_READSIG:              snprintf(exp,size,"READ_SIG"); break;
-       case MIFARE_ULEV1_CHECKTEAR:    snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
-       case MIFARE_ULEV1_VCSL:         snprintf(exp,size,"VCSL"); break;
-       default:                                                snprintf(exp,size,"?"); break;
-       }
-       return;
-}
-
-void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
-       switch(cmd[0])
-       {
-       case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
-       case ICLASS_CMD_READ_OR_IDENTIFY:{
-               if(cmdsize > 1){
-                       snprintf(exp,size,"READ(%d)",cmd[1]);
-               }else{
-                       snprintf(exp,size,"IDENTIFY");
-               }
-               break;
-       }
-       case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
-       case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
-       case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
-       case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
-       case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
-       case ICLASS_CMD_DETECT:      snprintf(exp,size,"DETECT"); break;
-       case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
-       case ICLASS_CMD_UPDATE:      snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
-       case ICLASS_CMD_ACT:         snprintf(exp,size,"ACT"); break;
-       case ICLASS_CMD_READ4:       snprintf(exp,size,"READ4(%d)",cmd[1]); break;
-       default:                     snprintf(exp,size,"?"); break;
-       }
-       return;
-}
-
-void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
-
-       if(cmd[0] == 0x26)
-       {
-               switch(cmd[1]){
-               case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
-               case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
-               default:                     snprintf(exp,size,"?"); break;
-
-               }
-       }else if(cmd[0] == 0x02)
-       {
-               switch(cmd[1])
-               {
-               case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
-               case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
-               case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
-               case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
-               case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
-               case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
-               case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
-               case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
-               case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");break;
-               case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
-               case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
-               case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
-               default:                            snprintf(exp,size,"?"); break;
-               }
-       }
-}
-
-
-void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
-       switch(cmd[0]) {
-               case TOPAZ_REQA                                         :snprintf(exp, size, "REQA");break;
-               case TOPAZ_WUPA                                         :snprintf(exp, size, "WUPA");break;
-               case TOPAZ_RID                                          :snprintf(exp, size, "RID");break;
-               case TOPAZ_RALL                                         :snprintf(exp, size, "RALL");break;
-               case TOPAZ_READ                                         :snprintf(exp, size, "READ");break;
-               case TOPAZ_WRITE_E                                      :snprintf(exp, size, "WRITE-E");break;
-               case TOPAZ_WRITE_NE                                     :snprintf(exp, size, "WRITE-NE");break;
-               case TOPAZ_RSEG                                         :snprintf(exp, size, "RSEG");break;
-               case TOPAZ_READ8                                        :snprintf(exp, size, "READ8");break;
-               case TOPAZ_WRITE_E8                                     :snprintf(exp, size, "WRITE-E8");break;
-               case TOPAZ_WRITE_NE8                            :snprintf(exp, size, "WRITE-NE8");break;
-               default:                            snprintf(exp,size,"?"); break;
-       }
-}
-
-
-/**
-06 00 = INITIATE
-0E xx = SELECT ID (xx = Chip-ID)
-0B = Get UID
-08 yy = Read Block (yy = block number)
-09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
-0C = Reset to Inventory
-0F = Completion
-0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
-**/
-
-void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
-       switch(cmd[0]){
-       case ISO14443B_REQB   : snprintf(exp,size,"REQB");break;
-       case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
-       case ISO14443B_HALT   : snprintf(exp,size,"HALT");break;
-       case ISO14443B_INITIATE     : snprintf(exp,size,"INITIATE");break;
-       case ISO14443B_SELECT       : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
-       case ISO14443B_GET_UID      : snprintf(exp,size,"GET UID");break;
-       case ISO14443B_READ_BLK     : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
-       case ISO14443B_WRITE_BLK    : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
-       case ISO14443B_RESET        : snprintf(exp,size,"RESET");break;
-       case ISO14443B_COMPLETION   : snprintf(exp,size,"COMPLETION");break;
-       case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
-       default                     : snprintf(exp,size ,"?");break;
-       }
-
-}
-
-/**
- * @brief iso14443A_CRC_check Checks CRC in command or response
- * @param isResponse
- * @param data
- * @param len
- * @return  0 : CRC-command, CRC not ok
- *          1 : CRC-command, CRC ok
- *          2 : Not crc-command
- */
-
-uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
-{
-       uint8_t b1,b2;
-
-       if(len <= 2) return 2;
-
-       if(isResponse & (len < 6)) return 2;
-       
-       ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
-       if (b1 != data[len-2] || b2 != data[len-1]) {
-               return 0;
-       } else {
-               return 1;
-       }
-}
-
-
 /**
  * @brief iso14443B_CRC_check Checks CRC in command or response
  * @param isResponse
@@ -418,6 +190,8 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
        uint8_t topaz_reader_command[9];
        uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
        char explanation[30] = {0};
+       uint8_t mfData[32] = {0};
+       size_t mfDataLen = 0;
 
        if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
        
@@ -466,6 +240,9 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
                        case TOPAZ:
                                crcStatus = iso14443B_CRC_check(isResponse, frame, data_len); 
                                break;
+                       case PROTO_MIFARE:
+                               crcStatus = mifare_CRC_check(isResponse, frame, data_len);
+                               break;
                        case ISO_14443A:
                                crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
                                break;
@@ -514,6 +291,9 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
 
        EndOfTransmissionTimestamp = timestamp + duration;
 
+       if (protocol == PROTO_MIFARE)
+               annotateMifare(explanation, sizeof(explanation), frame, data_len, parityBytes, parity_len, isResponse);
+       
        if(!isResponse)
        {
                switch(protocol) {
@@ -542,6 +322,19 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
                                (j == num_lines-1) ? explanation : "");
                }
        }
+       
+       if (DecodeMifareData(frame, data_len, parityBytes, isResponse, mfData, &mfDataLen)) {
+               memset(explanation, 0x00, sizeof(explanation));
+               if (!isResponse) {
+                       explanation[0] = '>';
+                       annotateIso14443a(&explanation[1], sizeof(explanation) - 1, mfData, mfDataLen);
+               }
+               uint8_t crcc = iso14443A_CRC_check(isResponse, mfData, mfDataLen);
+               PrintAndLog("            |          * | dec |%-64s | %-4s| %s",
+                       sprint_hex(mfData, mfDataLen),
+                       (crcc == 0 ? "!crc" : (crcc == 1 ? " ok " : "    ")),
+                       (true) ? explanation : "");
+       };
 
        if (is_last_record(tracepos, trace, traceLen)) return traceLen;
        
@@ -583,6 +376,8 @@ int CmdHFList(const char *Cmd)
        if(!errors) {
                if(strcmp(type, "iclass") == 0) {
                        protocol = ICLASS;
+               } else if(strcmp(type, "mf") == 0) {
+                       protocol = PROTO_MIFARE;
                } else if(strcmp(type, "14a") == 0) {
                        protocol = ISO_14443A;
                } else if(strcmp(type, "14b") == 0)     {
@@ -604,6 +399,7 @@ int CmdHFList(const char *Cmd)
                PrintAndLog("Supported <protocol> values:");
                PrintAndLog("    raw    - just show raw data without annotations");
                PrintAndLog("    14a    - interpret data as iso14443a communications");
+               PrintAndLog("    mf     - interpret data as iso14443a communications and decrypt crypto1 stream");
                PrintAndLog("    14b    - interpret data as iso14443b communications");
                PrintAndLog("    iclass - interpret data as iclass communications");
                PrintAndLog("    topaz  - interpret data as topaz communications");
@@ -652,6 +448,7 @@ int CmdHFList(const char *Cmd)
        PrintAndLog("      Start |        End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
        PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
 
+       ClearAuthData();
        while(tracepos < traceLen)
        {
                tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
diff --git a/client/cmdhflist.c b/client/cmdhflist.c
new file mode 100644 (file)
index 0000000..cf69abb
--- /dev/null
@@ -0,0 +1,605 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) Merlok - 2017
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Command: hf mf list. It shows data from arm buffer.
+//-----------------------------------------------------------------------------
+
+#include "cmdhflist.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include "util.h"
+#include "data.h"
+#include "ui.h"
+#include "iso14443crc.h"
+#include "parity.h"
+#include "protocols.h"
+#include "crapto1/crapto1.h"
+#include "mifarehost.h"
+#include "mifaredefault.h"
+
+
+enum MifareAuthSeq {
+       masNone,
+       masNt,
+       masNrAr,
+       masAt,
+       masAuthComplete,
+       masFirstData,
+       masData,
+       masError,
+};
+static enum MifareAuthSeq MifareAuthState;
+static TAuthData AuthData;
+
+void ClearAuthData() {
+       AuthData.uid = 0;
+       AuthData.nt = 0;
+       AuthData.first_auth = true;
+       AuthData.ks2 = 0;
+       AuthData.ks3 = 0;
+}
+
+/**
+ * @brief iso14443A_CRC_check Checks CRC in command or response
+ * @param isResponse
+ * @param data
+ * @param len
+ * @return  0 : CRC-command, CRC not ok
+ *          1 : CRC-command, CRC ok
+ *          2 : Not crc-command
+ */
+uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+       uint8_t b1,b2;
+
+       if(len <= 2) return 2;
+
+       if(isResponse & (len < 6)) return 2;
+       
+       ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
+       if (b1 != data[len-2] || b2 != data[len-1]) {
+               return 0;
+       } else {
+               return 1;
+       }
+}
+
+uint8_t mifare_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+       switch(MifareAuthState) {
+               case masNone:
+               case masError:
+                       return iso14443A_CRC_check(isResponse, data, len);
+               default:
+                       return 2;
+       }
+}
+
+void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+       switch(cmd[0])
+       {
+       case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
+       case ICLASS_CMD_READ_OR_IDENTIFY:{
+               if(cmdsize > 1){
+                       snprintf(exp,size,"READ(%d)",cmd[1]);
+               }else{
+                       snprintf(exp,size,"IDENTIFY");
+               }
+               break;
+       }
+       case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
+       case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
+       case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
+       case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
+       case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
+       case ICLASS_CMD_DETECT:      snprintf(exp,size,"DETECT"); break;
+       case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
+       case ICLASS_CMD_UPDATE:      snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
+       case ICLASS_CMD_ACT:         snprintf(exp,size,"ACT"); break;
+       case ICLASS_CMD_READ4:       snprintf(exp,size,"READ4(%d)",cmd[1]); break;
+       default:                     snprintf(exp,size,"?"); break;
+       }
+       return;
+}
+
+void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+
+       if(cmd[0] == 0x26)
+       {
+               switch(cmd[1]){
+               case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
+               case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
+               default:                     snprintf(exp,size,"?"); break;
+
+               }
+       }else if(cmd[0] == 0x02)
+       {
+               switch(cmd[1])
+               {
+               case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
+               case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
+               case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
+               case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
+               case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
+               case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
+               case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
+               case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
+               case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");break;
+               case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
+               case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
+               case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
+               default:                            snprintf(exp,size,"?"); break;
+               }
+       }
+}
+
+
+void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+       switch(cmd[0]) {
+               case TOPAZ_REQA                                         :snprintf(exp, size, "REQA");break;
+               case TOPAZ_WUPA                                         :snprintf(exp, size, "WUPA");break;
+               case TOPAZ_RID                                          :snprintf(exp, size, "RID");break;
+               case TOPAZ_RALL                                         :snprintf(exp, size, "RALL");break;
+               case TOPAZ_READ                                         :snprintf(exp, size, "READ");break;
+               case TOPAZ_WRITE_E                                      :snprintf(exp, size, "WRITE-E");break;
+               case TOPAZ_WRITE_NE                                     :snprintf(exp, size, "WRITE-NE");break;
+               case TOPAZ_RSEG                                         :snprintf(exp, size, "RSEG");break;
+               case TOPAZ_READ8                                        :snprintf(exp, size, "READ8");break;
+               case TOPAZ_WRITE_E8                                     :snprintf(exp, size, "WRITE-E8");break;
+               case TOPAZ_WRITE_NE8                            :snprintf(exp, size, "WRITE-NE8");break;
+               default:                            snprintf(exp,size,"?"); break;
+       }
+}
+
+
+/**
+06 00 = INITIATE
+0E xx = SELECT ID (xx = Chip-ID)
+0B = Get UID
+08 yy = Read Block (yy = block number)
+09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
+0C = Reset to Inventory
+0F = Completion
+0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
+**/
+
+void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+       switch(cmd[0]){
+       case ISO14443B_REQB   : snprintf(exp,size,"REQB");break;
+       case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
+       case ISO14443B_HALT   : snprintf(exp,size,"HALT");break;
+       case ISO14443B_INITIATE     : snprintf(exp,size,"INITIATE");break;
+       case ISO14443B_SELECT       : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
+       case ISO14443B_GET_UID      : snprintf(exp,size,"GET UID");break;
+       case ISO14443B_READ_BLK     : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
+       case ISO14443B_WRITE_BLK    : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
+       case ISO14443B_RESET        : snprintf(exp,size,"RESET");break;
+       case ISO14443B_COMPLETION   : snprintf(exp,size,"COMPLETION");break;
+       case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
+       default                     : snprintf(exp,size ,"?");break;
+       }
+
+}
+
+void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+       switch(cmd[0])
+       {
+       case ISO14443A_CMD_WUPA:        
+               snprintf(exp,size,"WUPA"); 
+               break;
+       case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
+               // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
+               // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
+               if(cmd[1] == 0x70)
+               {
+                       snprintf(exp,size,"SELECT_UID"); break;
+               }else
+               {
+                       snprintf(exp,size,"ANTICOLL"); break;
+               }
+       }
+       case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
+               //95 20 = Anticollision of cascade level2
+               //95 70 = Select of cascade level2
+               if(cmd[2] == 0x70)
+               {
+                       snprintf(exp,size,"SELECT_UID-2"); break;
+               }else
+               {
+                       snprintf(exp,size,"ANTICOLL-2"); break;
+               }
+       }
+       case ISO14443A_CMD_REQA:                
+               snprintf(exp,size,"REQA"); 
+               break;
+       case ISO14443A_CMD_READBLOCK:   snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
+       case ISO14443A_CMD_WRITEBLOCK:  snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
+       case ISO14443A_CMD_HALT:                
+               snprintf(exp,size,"HALT"); 
+               MifareAuthState = masNone;
+               break;
+       case ISO14443A_CMD_RATS:                snprintf(exp,size,"RATS"); break;
+       case MIFARE_CMD_INC:                    snprintf(exp,size,"INC(%d)",cmd[1]); break;
+       case MIFARE_CMD_DEC:                    snprintf(exp,size,"DEC(%d)",cmd[1]); break;
+       case MIFARE_CMD_RESTORE:                snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
+       case MIFARE_CMD_TRANSFER:               snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
+       case MIFARE_AUTH_KEYA:
+               if ( cmdsize > 3) {
+                       snprintf(exp,size,"AUTH-A(%d)",cmd[1]); 
+                       MifareAuthState = masNt;
+               } else {
+                       //      case MIFARE_ULEV1_VERSION :  both 0x60.
+                       snprintf(exp,size,"EV1 VERSION");
+               }
+               break;
+       case MIFARE_AUTH_KEYB:
+               MifareAuthState = masNt;
+               snprintf(exp,size,"AUTH-B(%d)",cmd[1]); 
+               break;
+       case MIFARE_MAGICWUPC1:                 snprintf(exp,size,"MAGIC WUPC1"); break;
+       case MIFARE_MAGICWUPC2:                 snprintf(exp,size,"MAGIC WUPC2"); break;
+       case MIFARE_MAGICWIPEC:                 snprintf(exp,size,"MAGIC WIPEC"); break;
+       case MIFARE_ULC_AUTH_1:         snprintf(exp,size,"AUTH "); break;
+       case MIFARE_ULC_AUTH_2:         snprintf(exp,size,"AUTH_ANSW"); break;
+       case MIFARE_ULEV1_AUTH:
+               if ( cmdsize == 7 )
+                       snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
+               else
+                       snprintf(exp,size,"PWD-AUTH");
+               break;
+       case MIFARE_ULEV1_FASTREAD:{
+               if ( cmdsize >=3 && cmd[2] <= 0xE6)
+                       snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]); 
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULC_WRITE:{
+               if ( cmd[1] < 0x21 )
+                       snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); 
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULEV1_READ_CNT:{
+               if ( cmd[1] < 5 )
+                       snprintf(exp,size,"READ CNT(%d)",cmd[1]);
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULEV1_INCR_CNT:{
+               if ( cmd[1] < 5 )
+                       snprintf(exp,size,"INCR(%d)",cmd[1]);
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULEV1_READSIG:              snprintf(exp,size,"READ_SIG"); break;
+       case MIFARE_ULEV1_CHECKTEAR:    snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
+       case MIFARE_ULEV1_VCSL:         snprintf(exp,size,"VCSL"); break;
+       default:                                                snprintf(exp,size,"?"); break;
+       }
+       return;
+}
+
+void annotateMifare(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize, uint8_t* parity, uint8_t paritysize, bool isResponse) {
+       if (!isResponse && cmdsize == 1) {
+               switch(cmd[0]) {
+                       case ISO14443A_CMD_WUPA:        
+                       case ISO14443A_CMD_REQA:                
+                               MifareAuthState = masNone;
+                               break;
+                       default:
+                               break;
+               }
+       }
+       
+       // get UID
+       if (MifareAuthState == masNone) {
+               if (cmdsize == 9 && cmd[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT && cmd[1] == 0x70) {
+                       ClearAuthData();
+                       AuthData.uid = bytes_to_num(&cmd[2], 4);
+               }
+               if (cmdsize == 9 && cmd[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT_2 && cmd[1] == 0x70) {
+                       ClearAuthData();
+                       AuthData.uid = bytes_to_num(&cmd[2], 4);
+               }
+       }
+       
+       switch(MifareAuthState) {
+               case masNt:
+                       if (cmdsize == 4 && isResponse) {
+                               snprintf(exp,size,"AUTH: nt %s", (AuthData.first_auth) ? "" : "(enc)");
+                               MifareAuthState = masNrAr;
+                               if (AuthData.first_auth) {
+                                       AuthData.nt = bytes_to_num(cmd, 4);
+                               } else {
+                                       AuthData.nt_enc = bytes_to_num(cmd, 4);
+                                       AuthData.nt_enc_par = parity[0];
+                               }
+                               return;
+                       } else {
+                               MifareAuthState = masError;
+                       }
+                       break;
+               case masNrAr:
+                       if (cmdsize == 8 && !isResponse) {
+                               snprintf(exp,size,"AUTH: nr ar (enc)");
+                               MifareAuthState = masAt;
+                               AuthData.nr_enc = bytes_to_num(cmd, 4);
+                               AuthData.ar_enc = bytes_to_num(&cmd[4], 4);
+                               AuthData.ar_enc_par = parity[0] << 4;
+                               return;
+                       } else {
+                               MifareAuthState = masError;
+                       }
+                       break;
+               case masAt:
+                       if (cmdsize == 4 && isResponse) {
+                               snprintf(exp,size,"AUTH: at (enc)");
+                               MifareAuthState = masAuthComplete;
+                               AuthData.at_enc = bytes_to_num(cmd, 4);
+                               AuthData.at_enc_par = parity[0];
+                               return;
+                       } else {
+                               MifareAuthState = masError;
+                       }
+                       break;
+               default:
+                       break;
+       }
+       
+       if (!isResponse && ((MifareAuthState == masNone) || (MifareAuthState == masError)))
+               annotateIso14443a(exp, size, cmd, cmdsize);
+       
+}
+
+bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isResponse, uint8_t *mfData, size_t *mfDataLen) {
+       static struct Crypto1State *traceCrypto1;       
+       static uint64_t mfLastKey;
+       
+       *mfDataLen = 0;
+       
+       if (MifareAuthState == masAuthComplete) {
+               if (traceCrypto1) {
+                       crypto1_destroy(traceCrypto1);
+                       traceCrypto1 = NULL;
+               }
+
+               MifareAuthState = masFirstData;
+               return false;
+       }
+       
+       if (cmdsize > 32)
+               return false;
+       
+       if (MifareAuthState == masFirstData) {
+               if (AuthData.first_auth) {
+                       AuthData.ks2 = AuthData.ar_enc ^ prng_successor(AuthData.nt, 64);
+                       AuthData.ks3 = AuthData.at_enc ^ prng_successor(AuthData.nt, 96);
+
+                       mfLastKey = GetCrypto1ProbableKey(&AuthData);
+                       PrintAndLog("            |          * | key | probable key:%012"PRIx64" Prng:%s   ks2:%08x ks3:%08x |     |", 
+                               mfLastKey,
+                               validate_prng_nonce(AuthData.nt) ? "WEAK": "HARD",
+                               AuthData.ks2,
+                               AuthData.ks3);
+                       
+                       AuthData.first_auth = false;
+
+                       traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
+               } else {
+                       if (traceCrypto1) {
+                               crypto1_destroy(traceCrypto1);
+                               traceCrypto1 = NULL;
+                       }
+
+                       // check last used key
+                       if (mfLastKey) {
+                               if (NestedCheckKey(mfLastKey, &AuthData, cmd, cmdsize, parity)) {
+                                       PrintAndLog("            |          * | key | last used key:%012"PRIx64"            ks2:%08x ks3:%08x |     |", 
+                                               mfLastKey,
+                                               AuthData.ks2,
+                                               AuthData.ks3);
+
+                               traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
+                               };
+                       }
+                       
+                       // check default keys
+                       if (!traceCrypto1) {
+                               for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){
+                                       if (NestedCheckKey(MifareDefaultKeys[defaultKeyCounter], &AuthData, cmd, cmdsize, parity)) {
+                                               PrintAndLog("            |          * | key | default key:%012"PRIx64"              ks2:%08x ks3:%08x |     |", 
+                                                       MifareDefaultKeys[defaultKeyCounter],
+                                                       AuthData.ks2,
+                                                       AuthData.ks3);
+
+                                               mfLastKey = MifareDefaultKeys[defaultKeyCounter];
+                                               traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
+                                               break;
+                                       };
+                               }
+                       }
+                       
+                       // nested
+                       if (!traceCrypto1 && validate_prng_nonce(AuthData.nt)) {
+                               uint32_t ntx = prng_successor(AuthData.nt, 90); 
+                               for (int i = 0; i < 16383; i++) {
+                                       ntx = prng_successor(ntx, 1);
+                                       if (NTParityChk(&AuthData, ntx)){
+
+                                               uint32_t ks2 = AuthData.ar_enc ^ prng_successor(ntx, 64);
+                                               uint32_t ks3 = AuthData.at_enc ^ prng_successor(ntx, 96);
+                                               struct Crypto1State *pcs = lfsr_recovery64(ks2, ks3);
+                                               memcpy(mfData, cmd, cmdsize);
+                                               mf_crypto1_decrypt(pcs, mfData, cmdsize, 0);
+                               
+                                               crypto1_destroy(pcs);
+                                               if (CheckCrypto1Parity(cmd, cmdsize, mfData, parity) && CheckCrc14443(CRC_14443_A, mfData, cmdsize)) {
+                                                       AuthData.ks2 = ks2;
+                                                       AuthData.ks3 = ks3;
+
+                                                       AuthData.nt = ntx;
+                                                       mfLastKey = GetCrypto1ProbableKey(&AuthData);
+                                                       PrintAndLog("            |          * | key | nested probable key:%012"PRIx64"      ks2:%08x ks3:%08x |     |", 
+                                                               mfLastKey,
+                                                               AuthData.ks2,
+                                                               AuthData.ks3);
+
+                                                       traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
+                                                       break;
+                                               }
+                                       }                                               
+                               }
+                       }
+                       
+                       //hardnested
+                       if (!traceCrypto1) {
+                               printf("hardnested not implemented. uid:%x nt:%x ar_enc:%x at_enc:%x\n", AuthData.uid, AuthData.nt, AuthData.ar_enc, AuthData.at_enc);
+                               MifareAuthState = masError;
+
+                               /* TOO SLOW( needs to have more strong filter. with this filter - aprox 4 mln tests
+                               uint32_t t = msclock();
+                               uint32_t t1 = t;
+                               int n = 0;
+                               for (uint32_t i = 0; i < 0xFFFFFFFF; i++) {
+                                       if (NTParityChk(&AuthData, i)){
+
+                                               uint32_t ks2 = AuthData.ar_enc ^ prng_successor(i, 64);
+                                               uint32_t ks3 = AuthData.at_enc ^ prng_successor(i, 96);
+                                               struct Crypto1State *pcs = lfsr_recovery64(ks2, ks3);
+
+
+
+
+                                               n++;
+
+                                               if (!(n % 100000)) {
+                                                       printf("delta=%d n=%d ks2=%x ks3=%x \n", msclock() - t1 , n, ks2, ks3);
+                                                       t1 = msclock();
+                                               }
+
+                                       }
+                               }
+                               printf("delta=%d n=%d\n", msclock() - t, n);
+                               */
+                       }
+               }
+               
+               
+               
+               MifareAuthState = masData;
+       }
+       
+       if (MifareAuthState == masData && traceCrypto1) {
+               memcpy(mfData, cmd, cmdsize);
+               mf_crypto1_decrypt(traceCrypto1, mfData, cmdsize, 0);
+               *mfDataLen = cmdsize;
+       }
+       
+       return *mfDataLen > 0;
+}
+
+bool NTParityChk(TAuthData *ad, uint32_t ntx) {
+       if (
+               (oddparity8(ntx >> 8 & 0xff) ^ (ntx & 0x01) ^ ((ad->nt_enc_par >> 5) & 0x01) ^ (ad->nt_enc & 0x01)) ||
+               (oddparity8(ntx >> 16 & 0xff) ^ (ntx >> 8 & 0x01) ^ ((ad->nt_enc_par >> 6) & 0x01) ^ (ad->nt_enc >> 8 & 0x01)) ||
+               (oddparity8(ntx >> 24 & 0xff) ^ (ntx >> 16 & 0x01) ^ ((ad->nt_enc_par >> 7) & 0x01) ^ (ad->nt_enc >> 16 & 0x01))
+               )
+               return false;
+       
+       uint32_t ar = prng_successor(ntx, 64);
+       if (
+               (oddparity8(ar >> 8 & 0xff) ^ (ar & 0x01) ^ ((ad->ar_enc_par >> 5) & 0x01) ^ (ad->ar_enc & 0x01)) ||
+               (oddparity8(ar >> 16 & 0xff) ^ (ar >> 8 & 0x01) ^ ((ad->ar_enc_par >> 6) & 0x01) ^ (ad->ar_enc >> 8 & 0x01)) ||
+               (oddparity8(ar >> 24 & 0xff) ^ (ar >> 16 & 0x01) ^ ((ad->ar_enc_par >> 7) & 0x01) ^ (ad->ar_enc >> 16 & 0x01))
+               )
+               return false;
+
+       uint32_t at = prng_successor(ntx, 96);
+       if (
+               (oddparity8(ar & 0xff) ^ (at >> 24 & 0x01) ^ ((ad->ar_enc_par >> 4) & 0x01) ^ (ad->at_enc >> 24 & 0x01)) ||
+               (oddparity8(at >> 8 & 0xff) ^ (at & 0x01) ^ ((ad->at_enc_par >> 5) & 0x01) ^ (ad->at_enc & 0x01)) ||
+               (oddparity8(at >> 16 & 0xff) ^ (at >> 8 & 0x01) ^ ((ad->at_enc_par >> 6) & 0x01) ^ (ad->at_enc >> 8 & 0x01)) ||
+               (oddparity8(at >> 24 & 0xff) ^ (at >> 16 & 0x01) ^ ((ad->at_enc_par >> 7) & 0x01) ^ (ad->at_enc >> 16 & 0x01))
+               )
+               return false;
+               
+       return true;
+}
+
+bool NestedCheckKey(uint64_t key, TAuthData *ad, uint8_t *cmd, uint8_t cmdsize, uint8_t *parity) {
+       uint8_t buf[32] = {0};
+       struct Crypto1State *pcs;
+       
+       AuthData.ks2 = 0;
+       AuthData.ks3 = 0;
+
+       pcs = crypto1_create(key);
+       uint32_t nt1 = crypto1_word(pcs, ad->nt_enc ^ ad->uid, 1) ^ ad->nt_enc;
+       uint32_t ar = prng_successor(nt1, 64);
+       uint32_t at = prng_successor(nt1, 96);
+
+       crypto1_word(pcs, ad->nr_enc, 1);
+//     uint32_t nr1 = crypto1_word(pcs, ad->nr_enc, 1) ^ ad->nr_enc;  // if needs deciphered nr
+       uint32_t ar1 = crypto1_word(pcs, 0, 0) ^ ad->ar_enc;
+       uint32_t at1 = crypto1_word(pcs, 0, 0) ^ ad->at_enc;
+
+       if (!(ar == ar1 && at == at1 && NTParityChk(ad, nt1)))
+               return false;
+
+       memcpy(buf, cmd, cmdsize);
+       mf_crypto1_decrypt(pcs, buf, cmdsize, 0);
+       
+       crypto1_destroy(pcs);
+       
+       if (!CheckCrypto1Parity(cmd, cmdsize, buf, parity))
+               return false;
+
+       if(!CheckCrc14443(CRC_14443_A, buf, cmdsize)) 
+               return false;
+       
+       AuthData.nt = nt1;
+       AuthData.ks2 = AuthData.ar_enc ^ ar;
+       AuthData.ks3 = AuthData.at_enc ^ at;
+
+       return true;
+}
+
+bool CheckCrypto1Parity(uint8_t *cmd_enc, uint8_t cmdsize, uint8_t *cmd, uint8_t *parity_enc) {
+       for (int i = 0; i < cmdsize - 1; i++) {
+               if (oddparity8(cmd[i]) ^ (cmd[i + 1] & 0x01) ^ ((parity_enc[i / 8] >> (7 - i % 8)) & 0x01) ^ (cmd_enc[i + 1] & 0x01))
+                       return false;
+       }
+       
+       return true;
+}
+
+uint64_t GetCrypto1ProbableKey(TAuthData *ad) {
+       struct Crypto1State *revstate = lfsr_recovery64(ad->ks2, ad->ks3);
+       lfsr_rollback_word(revstate, 0, 0);
+       lfsr_rollback_word(revstate, 0, 0);
+       lfsr_rollback_word(revstate, ad->nr_enc, 1);
+       lfsr_rollback_word(revstate, ad->uid ^ ad->nt, 0);
+
+       uint64_t lfsr = 0;
+       crypto1_get_lfsr(revstate, &lfsr);
+       crypto1_destroy(revstate);
+       
+       return lfsr;
+}
diff --git a/client/cmdhflist.h b/client/cmdhflist.h
new file mode 100644 (file)
index 0000000..8f289b4
--- /dev/null
@@ -0,0 +1,47 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) Merlok - 2017
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Command: hf mf list. It shows data from arm buffer.
+//-----------------------------------------------------------------------------
+#ifndef CMDHFLIST_H
+#define CMDHFLIST_H
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef struct {
+       uint32_t uid;       // UID
+       uint32_t nt;        // tag challenge
+       uint32_t nt_enc;    // encrypted tag challenge
+       uint8_t nt_enc_par; // encrypted tag challenge parity
+       uint32_t nr_enc;    // encrypted reader challenge
+       uint32_t ar_enc;    // encrypted reader response
+       uint8_t ar_enc_par; // encrypted reader response parity
+       uint32_t at_enc;    // encrypted tag response
+       uint8_t at_enc_par; // encrypted tag response parity
+       bool first_auth;    // is first authentication
+       uint32_t ks2;           // ar ^ ar_enc
+       uint32_t ks3;       // at ^ at_enc
+} TAuthData;
+extern void ClearAuthData();
+
+extern uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len);
+extern uint8_t mifare_CRC_check(bool isResponse, uint8_t* data, uint8_t len);
+extern void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize);
+extern void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize);
+extern void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize);
+extern void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize);
+extern void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize);
+extern void annotateMifare(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize, uint8_t* parity, uint8_t paritysize, bool isResponse);
+extern bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isResponse, uint8_t *mfData, size_t *mfDataLen);
+extern bool NTParityChk(TAuthData *ad, uint32_t ntx);
+extern bool NestedCheckKey(uint64_t key, TAuthData *ad, uint8_t *cmd, uint8_t cmdsize, uint8_t *parity);
+extern bool CheckCrypto1Parity(uint8_t *cmd_enc, uint8_t cmdsize, uint8_t *cmd, uint8_t *parity_enc);
+extern uint64_t GetCrypto1ProbableKey(TAuthData *ad);
+
+#endif // CMDHFLIST
index f5d7a5bef1356227dec72fb5f778c344eaaabcca..a2da01c97fc474c3e1b636e9ad46643d4076e500 100644 (file)
@@ -18,6 +18,7 @@
 #include "proxmark3.h"\r
 #include "cmdmain.h"\r
 #include "cmdhfmfhard.h"\r
+#include "parity.h"\r
 #include "util.h"\r
 #include "util_posix.h"\r
 #include "usb_cmd.h"\r
@@ -2470,6 +2471,7 @@ int CmdHF14AMfSniff(const char *Cmd){
        //var\r
        int res = 0;\r
        int len = 0;\r
+       int parlen = 0;\r
        int blockLen = 0;\r
        int pckNum = 0;\r
        int num = 0;\r
@@ -2481,6 +2483,7 @@ int CmdHF14AMfSniff(const char *Cmd){
        uint8_t *buf = NULL;\r
        uint16_t bufsize = 0;\r
        uint8_t *bufPtr = NULL;\r
+       uint8_t parity[16];\r
 \r
        char ctmp = param_getchar(Cmd, 0);\r
        if ( ctmp == 'h' || ctmp == 'H' ) {\r
@@ -2572,6 +2575,7 @@ int CmdHF14AMfSniff(const char *Cmd){
                                        } else {\r
                                                isTag = false;\r
                                        }\r
+                                       parlen = (len - 1) / 8 + 1;\r
                                        bufPtr += 2;\r
                                        if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {\r
                                                memcpy(uid, bufPtr + 2, 7);\r
@@ -2590,15 +2594,22 @@ int CmdHF14AMfSniff(const char *Cmd){
                                                if (wantDecrypt)\r
                                                        mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);\r
                                        } else {\r
-                                               PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));\r
+                                               oddparitybuf(bufPtr, len, parity);\r
+                                               PrintAndLog("%s(%d):%s [%s] c[%s]%c", \r
+                                                       isTag ? "TAG":"RDR", \r
+                                                       num, \r
+                                                       sprint_hex(bufPtr, len), \r
+                                                       printBitsPar(bufPtr + len, len), \r
+                                                       printBitsPar(parity, len),\r
+                                                       memcmp(bufPtr + len, parity, len / 8 + 1) ? '!' : ' ');\r
                                                if (wantLogToFile)\r
                                                        AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);\r
                                                if (wantDecrypt)\r
-                                                       mfTraceDecode(bufPtr, len, wantSaveToEmlFile);\r
+                                                       mfTraceDecode(bufPtr, len, bufPtr[len], wantSaveToEmlFile);\r
                                                num++;\r
                                        }\r
                                        bufPtr += len;\r
-                                       bufPtr += ((len-1)/8+1);        // ignore parity\r
+                                       bufPtr += parlen;       // ignore parity\r
                                }\r
                                pckNum = 0;\r
                        }\r
index ef9c3cbbf9353cb60b626165a9925a6da9586813..42f73fa1f6592bd1f3989936ae4f08abf4209b4b 100644 (file)
@@ -54,26 +54,24 @@ static int CmdHelp(const char *Cmd);
 
 int usage_lf_cmdread(void)
 {
-       PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H] ");
+       PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> ");
        PrintAndLog("Options:        ");
        PrintAndLog("       h             This help");
-       PrintAndLog("       L             Low frequency (125 KHz)");
-       PrintAndLog("       H             High frequency (134 KHz)");
-       PrintAndLog("       d <delay>     delay OFF period");
-       PrintAndLog("       z <zero>      time period ZERO");
-       PrintAndLog("       o <one>       time period ONE");
+       PrintAndLog("       d <delay>     delay OFF period between bits (0 for bitbang mode)");
+       PrintAndLog("       z <zero>      time period ZERO (antenna off in bitbang mode)");
+       PrintAndLog("       o <one>       time period ONE (antenna on in bitbang mode)");
        PrintAndLog("       c <cmd>       Command bytes");
        PrintAndLog("       ************* All periods in microseconds");
+       PrintAndLog("       ************* Use lf config to configure options.");
        PrintAndLog("Examples:");
        PrintAndLog("      lf cmdread d 80 z 100 o 200 c 11000");
-       PrintAndLog("      lf cmdread d 80 z 100 o 100 c 11000 H");
+       PrintAndLog("      lf cmdread d 80 z 100 o 100 c 11000");
        return 0;
 }
 
 /* send a command before reading */
 int CmdLFCommandRead(const char *Cmd)
 {
-       static char dummy[3] = {0x20,0x00,0x00};
        UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
        bool errors = false;
        //uint8_t divisor = 95; //125khz
@@ -84,14 +82,6 @@ int CmdLFCommandRead(const char *Cmd)
                {
                case 'h':
                        return usage_lf_cmdread();
-               case 'H':
-                       //divisor = 88;
-                       dummy[1]='h';
-                       cmdp++;
-                       break;
-               case 'L':
-                       cmdp++;
-                       break;
                case 'c':
                        param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes, sizeof(c.d.asBytes));
                        cmdp+=2;
@@ -121,11 +111,13 @@ int CmdLFCommandRead(const char *Cmd)
        //Validations
        if(errors) return usage_lf_cmdread();
        
-       // in case they specified 'H'
-       strcpy((char *)&c.d.asBytes + strlen((char *)c.d.asBytes), dummy);
-
        clearCommandBuffer();
        SendCommand(&c);
+
+       WaitForResponse(CMD_ACK,NULL);
+       getSamples(0, true);
+
+
        return 0;
 }
 
index 719617fde62ea63d42939e2f8917c15a18661ac8..8d9313f9b015f29deab19b9f166c8dcf2b11c376 100644 (file)
@@ -162,7 +162,7 @@ bool WaitForResponseTimeoutW(uint32_t cmd, UsbCommand* response, size_t ms_timeo
                }
                if (msclock() - start_time > 2000 && show_warning) {
                        PrintAndLog("Waiting for a response from the proxmark...");
-                       PrintAndLog("Don't forget to cancel its operation first by pressing on the button");
+                       PrintAndLog("You can cancel this operation by pressing the pm3 button");
                        show_warning = false;
                }
        }
index a01d3b5f0485bf43b6b0087bc40a81b357edf9de..e1ced176580166a7e7015418e8c8463e6fe7c549 100644 (file)
@@ -20,6 +20,7 @@
 #include "usb_cmd.h"\r
 #include "cmdmain.h"\r
 #include "ui.h"\r
+#include "parity.h"\r
 #include "util.h"\r
 #include "iso14443crc.h"\r
 \r
@@ -73,13 +74,12 @@ static uint32_t intersection(uint64_t *list1, uint64_t *list2)
 \r
 \r
 // Darkside attack (hf mf mifare)\r
-static uint32_t nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint64_t par_info, uint64_t ks_info, uint64_t **keys) {\r
+static uint32_t nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint32_t ar, uint64_t par_info, uint64_t ks_info, uint64_t **keys) {\r
        struct Crypto1State *states;\r
-       uint32_t i, pos, rr; //nr_diff;\r
+       uint32_t i, pos;\r
        uint8_t bt, ks3x[8], par[8][8];\r
        uint64_t key_recovered;\r
-       static uint64_t *keylist;\r
-       rr = 0;\r
+       uint64_t *keylist;\r
 \r
        // Reset the last three significant bits of the reader nonce\r
        nr &= 0xffffff1f;\r
@@ -92,7 +92,7 @@ static uint32_t nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint64_t par_i
                }\r
        }\r
 \r
-       states = lfsr_common_prefix(nr, rr, ks3x, par, (par_info == 0));\r
+       states = lfsr_common_prefix(nr, ar, ks3x, par, (par_info == 0));\r
 \r
        if (states == NULL) {\r
                *keys = NULL;\r
@@ -116,7 +116,7 @@ static uint32_t nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint64_t par_i
 int mfDarkside(uint64_t *key)\r
 {\r
        uint32_t uid = 0;\r
-       uint32_t nt = 0, nr = 0;\r
+       uint32_t nt = 0, nr = 0, ar = 0;\r
        uint64_t par_list = 0, ks_list = 0;\r
        uint64_t *keylist = NULL, *last_keylist = NULL;\r
        uint32_t keycount = 0;\r
@@ -159,18 +159,18 @@ int mfDarkside(uint64_t *key)
                                nt =  (uint32_t)bytes_to_num(resp.d.asBytes +  4, 4);\r
                                par_list = bytes_to_num(resp.d.asBytes +  8, 8);\r
                                ks_list = bytes_to_num(resp.d.asBytes +  16, 8);\r
-                               nr = bytes_to_num(resp.d.asBytes + 24, 4);\r
+                               nr = (uint32_t)bytes_to_num(resp.d.asBytes + 24, 4);\r
+                               ar = (uint32_t)bytes_to_num(resp.d.asBytes + 28, 4);\r
                                break;\r
                        }\r
                }\r
 \r
                if (par_list == 0 && c.arg[0] == true) {\r
                        PrintAndLog("Parity is all zero. Most likely this card sends NACK on every failed authentication.");\r
-                       PrintAndLog("Attack will take a few seconds longer because we need two consecutive successful runs.");\r
                }\r
                c.arg[0] = false;\r
 \r
-               keycount = nonce2key(uid, nt, nr, par_list, ks_list, &keylist);\r
+               keycount = nonce2key(uid, nt, nr, ar, par_list, ks_list, &keylist);\r
 \r
                if (keycount == 0) {\r
                        PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);\r
@@ -201,9 +201,9 @@ int mfDarkside(uint64_t *key)
                        int size = keycount - i > max_keys ? max_keys : keycount - i;\r
                        for (int j = 0; j < size; j++) {\r
                                if (par_list == 0) {\r
-                                       num_to_bytes(last_keylist[i*max_keys + j], 6, keyBlock);\r
+                                       num_to_bytes(last_keylist[i*max_keys + j], 6, keyBlock+(j*6));\r
                                } else {\r
-                                       num_to_bytes(keylist[i*max_keys + j], 6, keyBlock);\r
+                                       num_to_bytes(keylist[i*max_keys + j], 6, keyBlock+(j*6));\r
                                }\r
                        }\r
                        if (!mfCheckKeys(0, 0, false, size, keyBlock, key)) {\r
@@ -583,14 +583,19 @@ struct Crypto1State *traceCrypto1 = NULL;
 \r
 struct Crypto1State *revstate;\r
 uint64_t lfsr;\r
+uint64_t ui64Key;\r
 uint32_t ks2;\r
 uint32_t ks3;\r
 \r
-uint32_t uid;     // serial number\r
-uint32_t nt;      // tag challenge\r
-uint32_t nr_enc;  // encrypted reader challenge\r
-uint32_t ar_enc;  // encrypted reader response\r
-uint32_t at_enc;  // encrypted tag response\r
+uint32_t uid;       // serial number\r
+uint32_t nt;        // tag challenge\r
+uint32_t nt_enc;    // encrypted tag challenge\r
+uint8_t nt_enc_par; // encrypted tag challenge parity\r
+uint32_t nr_enc;    // encrypted reader challenge\r
+uint32_t ar_enc;    // encrypted reader response\r
+uint8_t ar_enc_par; // encrypted reader response parity\r
+uint32_t at_enc;    // encrypted tag response\r
+uint8_t at_enc_par; // encrypted tag response parity\r
 \r
 int isTraceCardEmpty(void) {\r
        return ((traceCard[0] == 0) && (traceCard[1] == 0) && (traceCard[2] == 0) && (traceCard[3] == 0));\r
@@ -709,8 +714,36 @@ void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool i
        return;\r
 }\r
 \r
+bool NTParityCheck(uint32_t ntx) {\r
+       if (\r
+               (oddparity8(ntx >> 8 & 0xff) ^ (ntx & 0x01) ^ ((nt_enc_par >> 5) & 0x01) ^ (nt_enc & 0x01)) ||\r
+               (oddparity8(ntx >> 16 & 0xff) ^ (ntx >> 8 & 0x01) ^ ((nt_enc_par >> 6) & 0x01) ^ (nt_enc >> 8 & 0x01)) ||\r
+               (oddparity8(ntx >> 24 & 0xff) ^ (ntx >> 16 & 0x01) ^ ((nt_enc_par >> 7) & 0x01) ^ (nt_enc >> 16 & 0x01))\r
+               )\r
+               return false;\r
+       \r
+       uint32_t ar = prng_successor(ntx, 64);\r
+       if (\r
+               (oddparity8(ar >> 8 & 0xff) ^ (ar & 0x01) ^ ((ar_enc_par >> 5) & 0x01) ^ (ar_enc & 0x01)) ||\r
+               (oddparity8(ar >> 16 & 0xff) ^ (ar >> 8 & 0x01) ^ ((ar_enc_par >> 6) & 0x01) ^ (ar_enc >> 8 & 0x01)) ||\r
+               (oddparity8(ar >> 24 & 0xff) ^ (ar >> 16 & 0x01) ^ ((ar_enc_par >> 7) & 0x01) ^ (ar_enc >> 16 & 0x01))\r
+               )\r
+               return false;\r
+\r
+       uint32_t at = prng_successor(ntx, 96);\r
+       if (\r
+               (oddparity8(ar & 0xff) ^ (at >> 24 & 0x01) ^ ((ar_enc_par >> 4) & 0x01) ^ (at_enc >> 24 & 0x01)) ||\r
+               (oddparity8(at >> 8 & 0xff) ^ (at & 0x01) ^ ((at_enc_par >> 5) & 0x01) ^ (at_enc & 0x01)) ||\r
+               (oddparity8(at >> 16 & 0xff) ^ (at >> 8 & 0x01) ^ ((at_enc_par >> 6) & 0x01) ^ (at_enc >> 8 & 0x01)) ||\r
+               (oddparity8(at >> 24 & 0xff) ^ (at >> 16 & 0x01) ^ ((at_enc_par >> 7) & 0x01) ^ (at_enc >> 16 & 0x01))\r
+               )\r
+               return false;\r
+               \r
+       return true;\r
+}\r
 \r
-int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {\r
+\r
+int mfTraceDecode(uint8_t *data_src, int len, uint8_t parity, bool wantSaveToEmlFile) {\r
        uint8_t data[64];\r
 \r
        if (traceState == TRACE_ERROR) return 1;\r
@@ -722,7 +755,9 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
        memcpy(data, data_src, len);\r
        if ((traceCrypto1) && ((traceState == TRACE_IDLE) || (traceState > TRACE_AUTH_OK))) {\r
                mf_crypto1_decrypt(traceCrypto1, data, len, 0);\r
-               PrintAndLog("dec> %s", sprint_hex(data, len));\r
+               uint8_t parity[16];\r
+               oddparitybuf(data, len, parity);\r
+               PrintAndLog("dec> %s [%s]", sprint_hex(data, len), printBitsPar(parity, len));\r
                AddLogHex(logHexFileName, "dec> ", data, len);\r
        }\r
 \r
@@ -811,7 +846,12 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
        case TRACE_AUTH1:\r
                if (len == 4) {\r
                        traceState = TRACE_AUTH2;\r
-                       nt = bytes_to_num(data, 4);\r
+                       if (!traceCrypto1) {\r
+                               nt = bytes_to_num(data, 4);\r
+                       } else {\r
+                               nt_enc = bytes_to_num(data, 4);\r
+                               nt_enc_par = parity;\r
+                       }\r
                        return 0;\r
                } else {\r
                        traceState = TRACE_ERROR;\r
@@ -825,6 +865,7 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
 \r
                        nr_enc = bytes_to_num(data, 4);\r
                        ar_enc = bytes_to_num(data + 4, 4);\r
+                       ar_enc_par = parity << 4;\r
                        return 0;\r
                } else {\r
                        traceState = TRACE_ERROR;\r
@@ -836,8 +877,9 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
                if (len ==4) {\r
                        traceState = TRACE_IDLE;\r
 \r
+                       at_enc = bytes_to_num(data, 4);\r
+                       at_enc_par = parity;\r
                        if (!traceCrypto1) {\r
-                               at_enc = bytes_to_num(data, 4);\r
 \r
                                //  decode key here)\r
                                ks2 = ar_enc ^ prng_successor(nt, 64);\r
@@ -849,16 +891,75 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
                                lfsr_rollback_word(revstate, uid ^ nt, 0);\r
 \r
                                crypto1_get_lfsr(revstate, &lfsr);\r
-                               printf("key> %x%x\n", (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32), (unsigned int)(lfsr & 0xFFFFFFFF));\r
+                               crypto1_destroy(revstate);\r
+                               ui64Key = lfsr;\r
+                               printf("key> probable key:%x%x Prng:%s ks2:%08x ks3:%08x\n", \r
+                                       (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32), (unsigned int)(lfsr & 0xFFFFFFFF), \r
+                                       validate_prng_nonce(nt) ? "WEAK": "HARDEND",\r
+                                       ks2,\r
+                                       ks3);\r
                                AddLogUint64(logHexFileName, "key> ", lfsr);\r
                        } else {\r
-                               printf("key> nested not implemented!\n");\r
-                               at_enc = bytes_to_num(data, 4);\r
+                               if (validate_prng_nonce(nt)) {\r
+                                       struct Crypto1State *pcs;\r
+                                       pcs = crypto1_create(ui64Key);\r
+                                       uint32_t nt1 = crypto1_word(pcs, nt_enc ^ uid, 1) ^ nt_enc;\r
+                                       uint32_t ar = prng_successor(nt1, 64);\r
+                                       uint32_t at = prng_successor(nt1, 96);\r
+                                       printf("key> nested auth uid: %08x nt: %08x nt_parity: %s ar: %08x at: %08x\n", uid, nt1, printBitsPar(&nt_enc_par, 4), ar, at);\r
+                                       uint32_t nr1 = crypto1_word(pcs, nr_enc, 1) ^ nr_enc;\r
+                                       uint32_t ar1 = crypto1_word(pcs, 0, 0) ^ ar_enc;\r
+                                       uint32_t at1 = crypto1_word(pcs, 0, 0) ^ at_enc;\r
+                                       printf("key> the same key test. nr1: %08x ar1: %08x at1: %08x \n", nr1, ar1, at1);\r
+\r
+                                       if (NTParityCheck(nt1))\r
+                                               printf("key> the same key test OK. key=%x%x\n", (unsigned int)((ui64Key & 0xFFFFFFFF00000000) >> 32), (unsigned int)(ui64Key & 0xFFFFFFFF));\r
+                                       else\r
+                                               printf("key> the same key test. check nt parity error.\n");\r
+                                       \r
+                                       uint32_t ntc = prng_successor(nt, 90);\r
+                                       uint32_t ntx = 0;\r
+                                       int ntcnt = 0;\r
+                                       for (int i = 0; i < 16383; i++) {\r
+                                               ntc = prng_successor(ntc, 1);\r
+                                               if (NTParityCheck(ntc)){\r
+                                                       if (!ntcnt)\r
+                                                               ntx = ntc;\r
+                                                       ntcnt++;\r
+                                               }                                               \r
+                                       }\r
+                                       if (ntcnt)\r
+                                               printf("key> nt candidate=%08x nonce distance=%d candidates count=%d\n", ntx, nonce_distance(nt, ntx), ntcnt);\r
+                                       else\r
+                                               printf("key> don't have any nt candidate( \n");\r
+\r
+                                       nt = ntx;\r
+                                       ks2 = ar_enc ^ prng_successor(ntx, 64);\r
+                                       ks3 = at_enc ^ prng_successor(ntx, 96);\r
+\r
+                                       // decode key\r
+                                       revstate = lfsr_recovery64(ks2, ks3);\r
+                                       lfsr_rollback_word(revstate, 0, 0);\r
+                                       lfsr_rollback_word(revstate, 0, 0);\r
+                                       lfsr_rollback_word(revstate, nr_enc, 1);\r
+                                       lfsr_rollback_word(revstate, uid ^ nt, 0);\r
+\r
+                                       crypto1_get_lfsr(revstate, &lfsr);\r
+                                       crypto1_destroy(revstate);\r
+                                       ui64Key = lfsr;\r
+                                       printf("key> probable key:%x%x  ks2:%08x ks3:%08x\n", \r
+                                               (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32), (unsigned int)(lfsr & 0xFFFFFFFF),\r
+                                               ks2,\r
+                                               ks3);\r
+                                       AddLogUint64(logHexFileName, "key> ", lfsr);\r
+                               } else {                                \r
+                                       printf("key> hardnested not implemented!\n");\r
                                \r
-                               crypto1_destroy(traceCrypto1);\r
+                                       crypto1_destroy(traceCrypto1);\r
 \r
-                               // not implemented\r
-                               traceState = TRACE_ERROR;\r
+                                       // not implemented\r
+                                       traceState = TRACE_ERROR;\r
+                               }\r
                        }\r
 \r
                        int blockShift = ((traceCurBlock & 0xFC) + 3) * 16;\r
index 031dac1b6393c74d28ce6bcfef28ada56f249a01..457a879fc853ea593213edd8c9d5ac86cae894ae 100644 (file)
@@ -14,6 +14,7 @@
 #include <stdint.h>\r
 #include <stdbool.h>\r
 #include "data.h"\r
+#include "crapto1/crapto1.h"\r
 \r
 // defaults\r
 // timeout in units. (ms * 106)/10 or us*0.0106\r
@@ -50,7 +51,7 @@ extern int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, bool wantWi
 extern int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params);\r
 \r
 extern int mfTraceInit(uint8_t *tuid, uint8_t *atqa, uint8_t sak, bool wantSaveToEmlFile);\r
-extern int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile);\r
+extern int mfTraceDecode(uint8_t *data_src, int len, uint8_t parity, bool wantSaveToEmlFile);\r
 \r
 extern int isTraceCardEmpty(void);\r
 extern int isBlockEmpty(int blockN);\r
@@ -61,5 +62,7 @@ extern int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t
 \r
 extern int mfCIdentify();\r
 extern int DetectClassicPrng(void);\r
+extern bool validate_prng_nonce(uint32_t nonce);\r
+extern void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool isEncrypted);\r
 \r
 #endif\r
index 7e6b40742c1a7fa2ecb596481e30dae8f9e290ac..5dc9a4556b1668708f9323138191401593c95e1c 100644 (file)
@@ -116,6 +116,7 @@ void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex
                
        char *tmp = (char *)buf;
        size_t i;
+       memset(tmp, 0x00, hex_max_len);
 
        int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len;
 
@@ -356,6 +357,23 @@ char * printBits(size_t const size, void const * const ptr)
        return buf;
 }
 
+char * printBitsPar(const uint8_t *b, size_t len) {
+       static char buf1[512] = {0};
+       static char buf2[512] = {0};
+       static char *buf;
+       if (buf != buf1)
+               buf = buf1;
+       else
+               buf = buf2;
+       memset(buf, 0x00, 512);
+
+       for (int i = 0; i < len; i++) {
+               buf[i] = ((b[i / 8] << (i % 8)) & 0x80) ? '1':'0';
+       }
+       return buf;
+}
+
+
 //  -------------------------------------------------------------------------
 //  string parameters lib
 //  -------------------------------------------------------------------------
index fd7ceafffb6de7685328405fa479cc2163810c16..2e64d7caf1e9b7038af326e0b113922bc21334ca 100644 (file)
@@ -54,6 +54,7 @@ extern uint64_t bytes_to_num(uint8_t* src, size_t len);
 extern void num_to_bytebits(uint64_t   n, size_t len, uint8_t *dest);
 extern void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest);
 extern char *printBits(size_t const size, void const * const ptr);
+extern char * printBitsPar(const uint8_t *b, size_t len);
 extern uint32_t SwapBits(uint32_t value, int nrbits);
 extern uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize);
 extern void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest);
index 615fdeee442ceb027e34eccc3a73655101534fa4..c574db55b0372e5dc05c20405e9c6154faf11409 100644 (file)
@@ -13,6 +13,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include "string.h"
 
 extern const uint8_t OddByteParity[256];
 
@@ -21,6 +22,11 @@ static inline bool oddparity8(const uint8_t x) {
        return OddByteParity[x];
 }
 
+static inline void oddparitybuf(const uint8_t *x, size_t len, uint8_t *parity) {
+       memset(parity, 0x00, (len - 1) / 8 + 1);
+       for (int i = 0; i < len; i++) 
+               parity[i / 8] |= oddparity8(x[i]) << (7 - (i % 8));
+}
 
 static inline bool evenparity8(const uint8_t x) {
        return !OddByteParity[x];
index 31252ad380fd3dc153518c91001ac46f42e22b97..57e6011f595a25279e21700de3998ede088d6d21 100644 (file)
@@ -200,10 +200,11 @@ NXP/Philips CUSTOM COMMANDS
 #define TOPAZ_WRITE_NE8                                        0x1B    // Write-no-erase (eight bytes)
 
 
-#define ISO_14443A     0
-#define ICLASS         1
-#define ISO_14443B     2
-#define TOPAZ          3
+#define ISO_14443A             0
+#define ICLASS                 1
+#define ISO_14443B             2
+#define TOPAZ                  3
+#define PROTO_MIFARE   4
 
 //-- Picopass fuses
 #define FUSE_FPERS   0x80
Impressum, Datenschutz