minor adjustments to hf mfu

[proxmark3-svn] / armsrc / mifarecmd.c

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index cf36b95a034c17490746241c515b8540d5239f9e..0586a25db1b8882678ca3bd3080bcb37437d9293 100644 (file)
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -17,7 +17,6 @@
 #include "apps.h"\r
 #include "util.h"\r
 \r
 #include "apps.h"\r
 #include "util.h"\r
 \r

-#include "des.h"\r

 #include "crc.h"\r
 \r
 // the block number for the ISO14443-4 PCB\r
 #include "crc.h"\r
 \r
 // the block number for the ISO14443-4 PCB\r


@@ -93,56 +92,31 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        LEDsoff();\r
 }\r
 \r
        LEDsoff();\r
 }\r
 \r

-void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){\r
+void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){\r

 \r
 \r

-       byte_t dataoutbuf[16] = {0x00};\r
-       uint8_t uid[10] = {0x00};\r
-       uint32_t cuid = 0x00;\r
+       bool turnOffField = (arg0 == 1);\r

 \r
        LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
 \r
        LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r

-    \r

        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r

-       if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+       if(!iso14443a_select_card(NULL, NULL, NULL)) {\r

                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
                OnError(0);\r
                return;\r
        };\r
        \r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
                OnError(0);\r
                return;\r
        };\r
        \r

-       if(mifare_ultra_auth1(dataoutbuf)){\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
+       if(!mifare_ultra_auth(keybytes)){\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r

                OnError(1);\r
                return;\r
        }\r
 \r
                OnError(1);\r
                return;\r
        }\r
 \r

-       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
-    \r
-    cmd_send(CMD_ACK,1,cuid,0,dataoutbuf,11);\r
-       LEDsoff();\r
-}\r
-void MifareUC_Auth2(uint8_t arg0, uint8_t *datain){\r
-\r
-       uint8_t key[16] = {0x00};\r
-       byte_t dataoutbuf[16] = {0x00};\r
-    \r
-       memcpy(key, datain, 16);\r
-    \r
-       LED_A_ON();     LED_B_OFF(); LED_C_OFF();\r
-       \r
-       if(mifare_ultra_auth2(key, dataoutbuf)){\r
-           if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part2: Fail...");\r
-               OnError(1);\r
-               return;                 \r
-       }\r
-       \r
-       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
-    \r
-       cmd_send(CMD_ACK,1,0,0,dataoutbuf,11);\r
-       if (arg0) {\r
+       if (turnOffField) {\r

                FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
                LEDsoff();\r
        }\r
                FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
                LEDsoff();\r
        }\r

+       cmd_send(CMD_ACK,1,0,0,0,0);\r

 }\r
 \r
 // Arg0 = BlockNo,\r
 }\r
 \r
 // Arg0 = BlockNo,\r


@@ -152,125 +126,56 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 {\r
        uint8_t blockNo = arg0;\r
        byte_t dataout[16] = {0x00};\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
+       bool useKey = (arg1 == 1); //UL_C\r
+       bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r

 \r
        LEDsoff();\r
        LED_A_ON();\r
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
 \r
        LEDsoff();\r
        LED_A_ON();\r
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r

-       int len = iso14443a_select_card(uid, NULL, NULL);\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:%02X)",len);\r
                OnError(1);\r
                return;\r
        }\r
 \r
        if(!len) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
                OnError(1);\r
                return;\r
        }\r
 \r

-        // authenticate here.\r
-       if ( usePwd ) {\r
-\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 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
+       // UL-C authentication\r
+       if ( useKey ) {\r
+               uint8_t key[16] = {0x00};\r
+               memcpy(key, datain, sizeof(key) );\r

 \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
+               if ( !mifare_ultra_auth(key) ) {\r

                        OnError(1);\r
                        return;\r
                }\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
-               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
-               // encrypt    out, in, length, key, iv\r
-               tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
+       }\r

 \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
+       // UL-EV1 / NTAG authentication\r
+       if ( usePwd ) {\r
+               uint8_t pwd[4] = {0x00};\r
+               memcpy(pwd, datain, 4);\r
+               uint8_t pack[4] = {0,0,0,0};\r
+               if (!mifare_ul_ev1_auth(pwd, pack)) {\r

                        OnError(1);\r
                        return;\r
                }\r
                        OnError(1);\r
                        return;\r
                }\r

+       }       \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
-               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
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
                OnError(2);\r
                return;\r
        }\r
        if( mifare_ultra_readblock(blockNo, dataout) ) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
                OnError(2);\r
                return;\r
        }\r

-        \r
+\r

        if( mifare_ultra_halt() ) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
                OnError(3);\r
                return;\r
        }\r
        if( mifare_ultra_halt() ) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
                OnError(3);\r
                return;\r
        }\r

-               \r
-    cmd_send(CMD_ACK,1,0,0,dataout,16);\r
+\r
+       cmd_send(CMD_ACK,1,0,0,dataout,16);\r

        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r


@@ -345,17 +250,26 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 \r
 void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
 {\r
 \r
 void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
 {\r

+       // free eventually allocated BigBuf memory\r
+       BigBuf_free();\r
+       // clear trace\r
+       clear_trace();\r
+\r

        // params\r
        uint8_t blockNo = arg0;\r
        uint16_t blocks = arg1;\r
        bool useKey = (arg2 == 1); //UL_C\r
        bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
        // params\r
        uint8_t blockNo = arg0;\r
        uint16_t blocks = arg1;\r
        bool useKey = (arg2 == 1); //UL_C\r
        bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r

-       int countblocks = 0;\r
-       uint8_t dataout[176] = {0x00};\r
+       uint32_t countblocks = 0;\r
+       uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
+       if (dataout == NULL){\r
+               Dbprintf("out of memory");\r
+               OnError(1);\r
+               return;\r
+       }\r

 \r
        LEDsoff();\r
        LED_A_ON();\r
 \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, NULL);\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        int len = iso14443a_select_card(NULL, NULL, NULL);\r


@@ -365,75 +279,47 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
                return;\r
        }\r
 \r
                return;\r
        }\r
 \r

-       // authenticate\r
+       // UL-C authentication\r

        if ( useKey ) {\r
                uint8_t key[16] = {0x00};\r
        if ( useKey ) {\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 len2;\r
-               uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
-               uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
+               memcpy(key, datain, sizeof(key) );\r

 \r
 \r

-               len2 = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\r
-               if (len2 != 11) {\r
-                       if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+               if ( !mifare_ultra_auth(key) ) {\r

                        OnError(1);\r
                        return;\r
                }\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
-               len2 = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);\r
-               if (len2 != 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
        }\r
 \r

-       if (usePwd) { //ev1 or ntag auth\r
-               uint8_t Pwd[4] = {0x00};\r
-               memcpy(Pwd, datain, 4);\r
+       // UL-EV1 / NTAG authentication\r
+       if (usePwd) {\r
+               uint8_t pwd[4] = {0x00};\r
+               memcpy(pwd, datain, sizeof(pwd));\r

                uint8_t pack[4] = {0,0,0,0};\r
 \r
                uint8_t pack[4] = {0,0,0,0};\r
 \r

-               if (mifare_ul_ev1_auth(Pwd, pack)){\r
+               if (!mifare_ul_ev1_auth(pwd, pack)){\r

                        OnError(1);\r
                        OnError(1);\r

-                       Dbprintf("failed authentication");\r

                        return;                 \r
                }\r
        }\r
 \r
        for (int i = 0; i < blocks; i++){\r
                        return;                 \r
                }\r
        }\r
 \r
        for (int i = 0; i < blocks; i++){\r

-               len = mifare_ultra_readblock(blockNo * 4 + i, dataout + 4 * i);\r
+               if ((i*4) + 4 > CARD_MEMORY_SIZE) {\r
+                       Dbprintf("Data exceeds buffer!!");\r
+                       break;\r
+               }\r
+       \r
+               len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r

 \r
                if (len) {\r
                        if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
 \r
                if (len) {\r
                        if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r

-                       OnError(2);\r
-                       return;\r
+                       // if no blocks read - error out\r
+                       if (i==0){\r
+                               OnError(2);\r
+                               return;\r
+                       } else {\r
+                               //stop at last successful read block and return what we got\r
+                               break;\r
+                       }\r

                } else {\r
                        countblocks++;\r
                }\r
                } else {\r
                        countblocks++;\r
                }\r


@@ -448,9 +334,8 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
 \r
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
 \r
 \r
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
 \r

-       len = blocks * 4;\r
-\r
-       cmd_send(CMD_ACK, 1, len, 0, dataout, len);     \r
+       countblocks *= 4;\r
+       cmd_send(CMD_ACK, 1, countblocks, countblocks, 0, 0);\r

        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r


@@ -569,16 +454,15 @@ void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
 {\r
        uint8_t blockNo = arg0;\r
        byte_t blockdata[4] = {0x00};\r
 {\r
        uint8_t blockNo = arg0;\r
        byte_t blockdata[4] = {0x00};\r

-       \r
-       memcpy(blockdata, datain,4);\r

 \r
 \r

-       uint8_t uid[10] = {0x00};\r
+       memcpy(blockdata, datain,4);\r

        \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
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r

-       if(!iso14443a_select_card(uid, NULL, NULL)) {\r
+       if(!iso14443a_select_card(NULL, NULL, NULL)) {\r

                if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
                OnError(0);\r
                return;\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
                OnError(0);\r
                return;\r


@@ -1320,21 +1204,18 @@ void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
 \r
        int len = iso14443a_select_card(uid, NULL, &cuid);\r
        if(!len) {\r
 \r
        int len = iso14443a_select_card(uid, NULL, &cuid);\r
        if(!len) {\r

-               if (MF_DBGLEVEL >= MF_DBG_ERROR)        \r
-                       Dbprintf("Can't select card");\r
-               //OnError(1);\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
+               OnError(1);\r

                return;\r
        };\r
 \r
        if(mifare_desfire_des_auth1(cuid, dataout)){\r
                return;\r
        };\r
 \r
        if(mifare_desfire_des_auth1(cuid, dataout)){\r

-               if (MF_DBGLEVEL >= MF_DBG_ERROR)        \r
-                       Dbprintf("Authentication part1: Fail.");\r
-               //OnError(4);\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
+               OnError(4);\r

                return;\r
        }\r
 \r
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
                return;\r
        }\r
 \r
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r

-    \r

     cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
 }\r
 \r
     cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
 }\r
 \r