]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/mifarecmd.c
ADD: added the new magic detection, where we send a partial ISO14443A_CMD_WRITEBLOC...
[proxmark3-svn] / armsrc / mifarecmd.c
index a240bed4fa85efe222f8b0e08f23c9d9e6083163..6bb04caf26f13f9b649aa5d63575356d8fbd2b1a 100644 (file)
@@ -138,16 +138,18 @@ void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){
        LEDsoff();\r
 }\r
 \r
+// Arg0 = BlockNo,\r
+// Arg1 = UsePwd bool\r
+// datain = PWD bytes,  \r
 void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
 {\r
        uint8_t blockNo = arg0;\r
        byte_t dataout[16] = {0x00};\r
        uint8_t uid[10] = {0x00};\r
-       uint8_t key[16] = {0x00};\r
     bool usePwd = (arg1 == 1);\r
-       \r
-       LED_A_ON();     LED_B_OFF(); LED_C_OFF();\r
-    \r
+\r
+       LEDsoff();      \r
+       LED_A_ON();    \r
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
     \r
@@ -160,18 +162,15 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
        \r
         // authenticate here.\r
        if ( usePwd ) {\r
-               \r
+\r
+               uint8_t key[16] = {0x00};       \r
                memcpy(key, datain, 16);\r
                 \r
-               // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[0],key[1],key[2],key[3],key[4],key[5],key[6],key[7] );\r
-               // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[8],key[9],key[10],key[11],key[12],key[13],key[14],key[15] );\r
-\r
-               uint8_t a[8] = {1,1,1,1,1,1,1,1 };\r
-               uint8_t b[8] = {0x00};\r
-               uint8_t enc_b[8] = {0x00};\r
-               uint8_t ab[16] = {0x00};\r
-               uint8_t enc_ab[16] = {0x00};            \r
-               uint8_t enc_key[8] = {0x00};\r
+               uint8_t random_a[8] = {1,1,1,1,1,1,1,1 };\r
+               uint8_t random_b[8] = {0x00};\r
+               uint8_t enc_random_b[8] = {0x00};\r
+               uint8_t rnd_ab[16] = {0x00};\r
+               uint8_t IV[8] = {0x00};\r
                \r
                uint16_t len;\r
                uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
@@ -185,49 +184,69 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
                }\r
        \r
                // tag nonce.\r
-               memcpy(enc_b,receivedAnswer+1,8);\r
+               memcpy(enc_random_b,receivedAnswer+1,8);\r
 \r
                // decrypt nonce.\r
-               tdes_2key_dec(b, enc_b, 8, key );\r
-\r
-               Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x", enc_b[0],enc_b[1],enc_b[2],enc_b[3],enc_b[4],enc_b[5],enc_b[6],enc_b[7] );\r
-               Dbprintf("    B: %02x %02x %02x %02x %02x %02x %02x %02x", b[0],b[1],b[2],b[3],b[4],b[5],b[6],b[7] );\r
-               rol(b,8);\r
+               tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r
+               rol(random_b,8);\r
+               memcpy(rnd_ab  ,random_a,8);\r
+               memcpy(rnd_ab+8,random_b,8);\r
+\r
+               if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
+                       Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+                               enc_random_b[0],enc_random_b[1],enc_random_b[2],enc_random_b[3],\r
+                               enc_random_b[4],enc_random_b[5],enc_random_b[6],enc_random_b[7]);\r
+                               \r
+                       Dbprintf("    B: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+                               random_b[0],random_b[1],random_b[2],random_b[3],\r
+                               random_b[4],random_b[5],random_b[6],random_b[7]);\r
+\r
+                       Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+                                       rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],\r
+                                       rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r
+                                       \r
+                       Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+                                       rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],\r
+                                       rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15] );\r
+               }\r
                \r
-               memcpy(ab  ,a,8);\r
-               memcpy(ab+8,b,8);\r
-\r
-               Dbprintf("AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[0],ab[1],ab[2],ab[3],ab[4],ab[5],ab[6],ab[7] );\r
-               Dbprintf("AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[8],ab[9],ab[10],ab[11],ab[12],ab[13],ab[14],ab[15] );\r
+               // encrypt    out, in, length, key, iv\r
+               tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
 \r
-               // encrypt\r
-               tdes_2key_enc(enc_ab, ab, 16, key);\r
-\r
-               Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", enc_ab[0],enc_ab[1],enc_ab[2],enc_ab[3],enc_ab[4],enc_ab[5],enc_ab[6],enc_ab[7] );\r
-               Dbprintf("e_enc_ab: %02x %02x %02x %02x %02x %02x %02x %02x", enc_ab[8],enc_ab[9],enc_ab[10],enc_ab[11],enc_ab[12],enc_ab[13],enc_ab[14],enc_ab[15] );\r
-\r
-               len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, enc_ab, receivedAnswer, receivedAnswerPar, NULL);\r
+               \r
+               len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);\r
                if (len != 11) {\r
                        if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
                        OnError(1);\r
                        return;\r
                }\r
+\r
+               uint8_t enc_resp[8] = { 0 };\r
+               uint8_t resp_random_a[8] = { 0 };\r
+               memcpy(enc_resp, receivedAnswer+1, 8);\r
        \r
-               // the tags' encryption of our nonce, A.\r
-               memcpy(enc_key, receivedAnswer+1, 8);\r
-               \r
-               // clear B.\r
-               memset(b, 0x00, 8);\r
-               \r
-               // decrypt \r
-               tdes_2key_dec(b, enc_key, 8, key );\r
-               if ( memcmp(a, b, 8) == 0 )\r
-                       Dbprintf("Verified key");\r
-               else\r
+               // decrypt    out, in, length, key, iv \r
+               tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r
+               if ( memcmp(resp_random_a, random_a, 8) != 0 )\r
                        Dbprintf("failed authentication");\r
-               \r
-               Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x", a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7] );\r
-               Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x", b[0],b[1],b[2],b[3],b[4],b[5],b[6],b[7] );\r
+\r
+               if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
+                       Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", \r
+                                       rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],\r
+                                       rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r
+\r
+                       Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+                                       rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],\r
+                                       rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);\r
+\r
+                       Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+                                       random_a[0],random_a[1],random_a[2],random_a[3],\r
+                                       random_a[4],random_a[5],random_a[6],random_a[7]);\r
+                                       \r
+                       Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+                                       resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],\r
+                                       resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);\r
+               }\r
        }\r
                \r
        if( mifare_ultra_readblock(blockNo, dataout) ) {\r
@@ -314,29 +333,85 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        LEDsoff();\r
 }\r
 \r
-void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain)\r
+// arg0 = blockNo (start)\r
+// arg1 = Pages (number of blocks)\r
+// arg2 = useKey\r
+// datain = KEY bytes\r
+void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
 {\r
        // params\r
-       uint8_t sectorNo = arg0;\r
-       int Pages = arg1;\r
+       uint8_t blockNo = arg0;\r
+       uint16_t blocks = arg1;\r
+       bool useKey = (arg2 == 1);\r
        int countpages = 0;\r
-       byte_t dataout[176] = {0x00};;\r
-       uint32_t cuid = 0x00;\r
+       uint8_t dataout[176] = {0x00};;\r
 \r
-       LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
+       LEDsoff();\r
+       LED_A_ON(); \r
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
-       int len = iso14443a_select_card(NULL, NULL, &cuid);\r
+       int len = iso14443a_select_card(NULL, NULL, NULL);\r
        if (!len) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
                OnError(1);\r
                return;\r
        }\r
        \r
-       for (int i = 0; i < Pages; i++){\r
+       // authenticate\r
+       if ( useKey ) {\r
+               \r
+               uint8_t key[16] = {0x00};       \r
+               memcpy(key, datain, 16);\r
+                \r
+               uint8_t random_a[8] = {1,1,1,1,1,1,1,1 };\r
+               uint8_t random_b[8] = {0x00};\r
+               uint8_t enc_random_b[8] = {0x00};\r
+               uint8_t rnd_ab[16] = {0x00};\r
+               uint8_t IV[8] = {0x00};\r
+               \r
+               uint16_t len;\r
+               uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
+               uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
+       \r
+               len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\r
+               if (len != 11) {\r
+                       if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+                       OnError(1);\r
+                       return;\r
+               }\r
+       \r
+               // tag nonce.\r
+               memcpy(enc_random_b,receivedAnswer+1,8);\r
+\r
+               // decrypt nonce.\r
+               tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r
+               rol(random_b,8);\r
+               memcpy(rnd_ab  ,random_a,8);\r
+               memcpy(rnd_ab+8,random_b,8);\r
+       \r
+               // encrypt    out, in, length, key, iv\r
+               tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
+\r
+               len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);\r
+               if (len != 11) {\r
+                       OnError(1);\r
+                       return;\r
+               }\r
+\r
+               uint8_t enc_resp[8] = { 0 };\r
+               uint8_t resp_random_a[8] = { 0 };\r
+               memcpy(enc_resp, receivedAnswer+1, 8);\r
+       \r
+               // decrypt    out, in, length, key, iv \r
+               tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r
+               if ( memcmp(resp_random_a, random_a, 8) != 0 )\r
+                       Dbprintf("failed authentication");\r
+       }\r
+       \r
+       for (int i = 0; i < blocks; i++){\r
        \r
-               len = mifare_ultra_readblock(sectorNo * 4 + i, dataout + 4 * i);\r
+               len = mifare_ultra_readblock(blockNo * 4 + i, dataout + 4 * i);\r
                \r
                if (len) {\r
                        if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
@@ -347,27 +422,21 @@ void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain)
                }\r
        }\r
                \r
-       len = mifare_ultra_halt();\r
-       if (len) {\r
+       if (mifare_ultra_halt()) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
                OnError(3);\r
                return;\r
        }\r
        \r
-       if (MF_DBGLEVEL >= MF_DBG_ALL) Dbprintf("Pages read %d", countpages);\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("blocks read %d", countpages);\r
 \r
-       len = 16*4; //64 bytes\r
+       len = blocks*4;\r
 \r
-       // Read a UL-C\r
-       if (Pages == 44 && countpages > 16) \r
-               len = 176;\r
-\r
-       cmd_send(CMD_ACK, 1, 0, 0, dataout, len);       \r
+       cmd_send(CMD_ACK, 1, len, 0, dataout, len);     \r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
 \r
-\r
 //-----------------------------------------------------------------------------\r
 // Select, Authenticate, Write a MIFARE tag. \r
 // read block\r
@@ -482,12 +551,12 @@ void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
 {\r
        uint8_t blockNo = arg0;\r
        byte_t blockdata[4] = {0x00};\r
+       uint8_t uid[10] = {0x00};\r
        \r
        memcpy(blockdata, datain,4);\r
-\r
-       uint8_t uid[10] = {0x00};\r
        \r
-       LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
+       LEDsoff();\r
+       LED_A_ON();\r
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
@@ -1218,7 +1287,74 @@ void MifareCIdent(){
        cmd_send(CMD_ACK,isOK,0,0,0,0);\r
 }\r
 \r
-                       //\r
+void MifareCollectNonces(uint32_t arg0, uint32_t arg1){\r
+\r
+       BigBuf_free();\r
+\r
+       uint32_t iterations = arg0;\r
+       uint8_t uid[10] = {0x00};\r
+\r
+       uint8_t *response = BigBuf_malloc(MAX_MIFARE_FRAME_SIZE);\r
+       uint8_t *responsePar = BigBuf_malloc(MAX_MIFARE_PARITY_SIZE);\r
+\r
+       uint8_t mf_auth[] = { 0x60,0x00,0xf5,0x7b };\r
+       \r
+       // get memory from BigBuf.\r
+       uint8_t *nonces = BigBuf_malloc(iterations * 4);\r
+\r
+       LED_A_ON();\r
+       LED_B_OFF();\r
+       LED_C_OFF();\r
+\r
+       clear_trace();\r
+       set_tracing(TRUE);\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+       \r
+       for (int i = 0; i < iterations; i++) {\r
+                                               \r
+               WDT_HIT();\r
+\r
+               // Test if the action was cancelled\r
+               if(BUTTON_PRESS()) break;\r
+               \r
+               //              if(mifare_classic_halt(pcs, cuid)) {\r
+               //                      if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
+               //}\r
+\r
+               if(!iso14443a_select_card(uid, NULL, NULL)) {\r
+                       if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
+                       continue;\r
+               };\r
+\r
+               // Transmit MIFARE_CLASSIC_AUTH.\r
+               ReaderTransmit(mf_auth, sizeof(mf_auth), NULL);\r
+\r
+               // Receive the (4 Byte) "random" nonce\r
+               if (!ReaderReceive(response, responsePar)) {\r
+                       if (MF_DBGLEVEL >= 1)   Dbprintf("Couldn't receive tag nonce");\r
+                       continue;\r
+               }       \r
+               \r
+               nonces[i*4] = bytes_to_num(response, 4);\r
+       }\r
+               \r
+       int packLen =  iterations * 4;\r
+       int packSize = 0;\r
+       int packNum = 0;\r
+       while (packLen > 0) {\r
+               packSize = MIN(USB_CMD_DATA_SIZE, packLen);\r
+               LED_B_ON();\r
+               cmd_send(CMD_ACK, 77, 0, packSize, nonces - packLen, packSize);\r
+               LED_B_OFF();\r
+\r
+               packLen -= packSize;\r
+               packNum++;\r
+       }\r
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+       LEDsoff();\r
+}\r
+\r
+//\r
 // DESFIRE\r
 //\r
 \r
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