CHG: print up to 20 possible keys.

[proxmark3-svn] / client / cmdhf14a.c

diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c
index 2200531eb99408e8f5df5780815e8a1ed97821ef..931ef990be2d4e81d856dcc082c2cdced7cec59e 100644 (file)
--- a/client/cmdhf14a.c
+++ b/client/cmdhf14a.c
@@ -24,7 +24,7 @@
 #include "cmdmain.h"
 #include "mifare.h"
 #include "cmdhfmfu.h"
 #include "cmdmain.h"
 #include "mifare.h"
 #include "cmdhfmfu.h"

-#include "nonce2key/crapto1.h"
+#include "nonce2key/nonce2key.h"

 
 #define llx PRIx64
 
 
 #define llx PRIx64
 


@@ -177,7 +177,7 @@ int CmdHF14AReader(const char *Cmd)
                        //***************************************test****************
                        ul_switch_off_field();
                        
                        //***************************************test****************
                        ul_switch_off_field();
                        

-                       uint16_t tagT = GetHF14AMfU_Type();
+                       uint32_t tagT = GetHF14AMfU_Type();

                        ul_print_type(tagT, 0);
 
                        //reconnect for further tests
                        ul_print_type(tagT, 0);
 
                        //reconnect for further tests


@@ -481,6 +481,8 @@ int CmdHF14ASim(const char *Cmd)
        uint64_t uid = 0;
        uint8_t cmdp = 0;
        
        uint64_t uid = 0;
        uint8_t cmdp = 0;
        

+       clearCommandBuffer();
+       

        while(param_getchar(Cmd, cmdp) != 0x00)
        {
                switch(param_getchar(Cmd, cmdp))
        while(param_getchar(Cmd, cmdp) != 0x00)
        {
                switch(param_getchar(Cmd, cmdp))


@@ -531,122 +533,26 @@ int CmdHF14ASim(const char *Cmd)
        PrintAndLog("Press pm3-button to abort simulation");
        
        UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
        PrintAndLog("Press pm3-button to abort simulation");
        
        UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};

+       

        num_to_bytes(uid, 7, c.d.asBytes);
        SendCommand(&c);        
 
        num_to_bytes(uid, 7, c.d.asBytes);
        SendCommand(&c);        
 

+       uint8_t data[40];
+       uint8_t key[6];
+       UsbCommand resp;

        while(!ukbhit()){
        while(!ukbhit()){

-               UsbCommand resp;
-               WaitForResponseTimeout(CMD_ACK,&resp,1500);
-               PrintAndLog("Got %04X %02X", resp.arg[0], resp.arg[0]);
-               if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
-                       uint8_t data[40];
-                       uint8_t key[6];
-                       int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
-                       memcpy(data, resp.d.asBytes, len);
-                       tryMfk32(uid, data, key);
-                       //tryMfk64(uid, data, key);
-                       PrintAndLog("--");
-                       memset(data,0x00, 40);
-               }
-       }
-       return 0;
-}
-
-int tryMfk32(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
-
-       struct Crypto1State *s,*t;
-       uint64_t key;     // recovered key
-       uint32_t uid;     // serial number
-       uint32_t nt;      // tag challenge
-       uint32_t nr0_enc; // first encrypted reader challenge
-       uint32_t ar0_enc; // first encrypted reader response
-       uint32_t nr1_enc; // second encrypted reader challenge
-       uint32_t ar1_enc; // second encrypted reader response   
-       bool isSuccess = FALSE;
-       int counter = 0;
-       
-       uid     = myuid;//(uint32_t)bytes_to_num(data +  0, 4);
-       nt              = *(uint32_t*)(data+8);
-       nr0_enc = *(uint32_t*)(data+12);
-       ar0_enc = *(uint32_t*)(data+16);
-       nr1_enc = *(uint32_t*)(data+32);
-       ar1_enc = *(uint32_t*)(data+36);
-
-       // PrintAndLog("Recovering key for:");
-       // PrintAndLog("    uid: %08x",uid);
-       // PrintAndLog("     nt: %08x",nt);
-       // PrintAndLog(" {nr_0}: %08x",nr0_enc);
-       // PrintAndLog(" {ar_0}: %08x",ar0_enc);
-       // PrintAndLog(" {nr_1}: %08x",nr1_enc);
-       // PrintAndLog(" {ar_1}: %08x",ar1_enc);
-
-       s = lfsr_recovery32(ar0_enc ^ prng_successor(nt, 64), 0);
-  
-       for(t = s; t->odd | t->even; ++t) {
-               lfsr_rollback_word(t, 0, 0);
-               lfsr_rollback_word(t, nr0_enc, 1);
-               lfsr_rollback_word(t, uid ^ nt, 0);
-               crypto1_get_lfsr(t, &key);
-               crypto1_word(t, uid ^ nt, 0);
-               crypto1_word(t, nr1_enc, 1);
-               if (ar1_enc == (crypto1_word(t, 0, 0) ^ prng_successor(nt, 64))) {
-                       PrintAndLog("Found Key: [%012"llx"]",key);
-                       isSuccess = TRUE;
-                       ++counter;
-                       if (counter==10)
-                               break;
+               if ( WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+                       if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
+                               memset(data, 0x00, sizeof(data));
+                               memset(key, 0x00, sizeof(key));
+                               int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
+                               memcpy(data, resp.d.asBytes, len);
+                               tryMfk32(uid, data, key);
+                               //tryMfk64(uid, data, key);
+                               PrintAndLog("--");
+                       }

                }
        }
                }
        }

-       free(s);
-       return isSuccess;
-}
-
-int tryMfk64(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
-
-       struct Crypto1State *revstate;
-       uint64_t key;     // recovered key
-       uint32_t uid;     // serial number
-       uint32_t nt;      // tag challenge
-       uint32_t nr_enc;  // encrypted reader challenge
-       uint32_t ar_enc;  // encrypted reader response
-       uint32_t at_enc;  // encrypted tag response
-       uint32_t ks2;     // keystream used to encrypt reader response
-       uint32_t ks3;     // keystream used to encrypt tag response
-
-       struct Crypto1State mpcs = {0, 0};
-       struct Crypto1State *pcs;
-       pcs = &mpcs;
-       
-
-
-       uid     = myuid;//(uint32_t)bytes_to_num(data +  0, 4);
-       nt              = *(uint32_t*)(data+8);
-       nr_enc = *(uint32_t*)(data+12);
-       ar_enc = *(uint32_t*)(data+16);
-       
-       crypto1_word(pcs, nr_enc , 1);
-       at_enc = prng_successor(nt, 96) ^ crypto1_word(pcs, 0, 0);
-
-       // printf("Recovering key for:\n");
-       // printf("  uid: %08x\n",uid);
-       // printf("   nt: %08x\n",nt);
-       // printf(" {nr}: %08x\n",nr_enc);
-       // printf(" {ar}: %08x\n",ar_enc);
-       // printf(" {at}: %08x\n",at_enc);
-
-       // Extract the keystream from the messages
-       ks2 = ar_enc ^ prng_successor(nt, 64);
-       ks3 = at_enc ^ prng_successor(nt, 96);
-
-       revstate = lfsr_recovery64(ks2, ks3);
-       lfsr_rollback_word(revstate, 0, 0);
-       lfsr_rollback_word(revstate, 0, 0);
-       lfsr_rollback_word(revstate, nr_enc, 1);
-       lfsr_rollback_word(revstate, uid ^ nt, 0);
-       crypto1_get_lfsr(revstate, &key);
-       PrintAndLog("Found Key: [%012"llx"]",key);
-       crypto1_destroy(revstate);
-       crypto1_destroy(pcs);

        return 0;
 }
 
        return 0;
 }