started fixing the paritiy == 0 special attack against chinese clones with bad prng...

[proxmark3-svn] / armsrc / mifareutil.c

diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index 0b93db8f7e195f925c808010dedebfe2cbdf9c1b..3d6dce41d5e0884722145ba2aacd8a69567f9271 100644 (file)
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -18,23 +18,11 @@
 #include "iso14443a.h"\r
 #include "crapto1.h"\r
 #include "mifareutil.h"\r
 #include "iso14443a.h"\r
 #include "crapto1.h"\r
 #include "mifareutil.h"\r

+#include "parity.h"\r
+#include "des.h"\r

 \r
 int MF_DBGLEVEL = MF_DBG_ALL;\r
 \r
 \r
 int MF_DBGLEVEL = MF_DBG_ALL;\r
 \r

-// memory management\r
-uint8_t* mifare_get_bigbufptr(void) {\r
-       return (((uint8_t *)BigBuf) + MIFARE_BUFF_OFFSET);      // was 3560 - tied to other size changes\r
-}\r
-uint8_t* eml_get_bigbufptr_sendbuf(void) {\r
-       return (((uint8_t *)BigBuf) + RECV_CMD_OFFSET); \r
-}\r
-uint8_t* eml_get_bigbufptr_recbuf(void) {\r
-       return (((uint8_t *)BigBuf) + MIFARE_BUFF_OFFSET);\r
-}\r
-uint8_t* eml_get_bigbufptr_cardmem(void) {\r
-       return (((uint8_t *)BigBuf) + CARD_MEMORY);\r
-}\r
-\r

 // crypto1 helpers\r
 void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
        uint8_t bt = 0;\r
 // crypto1 helpers\r
 void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
        uint8_t bt = 0;\r


@@ -44,147 +32,119 @@ void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){
                for (i = 0; i < len; i++)\r
                        data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
        } else {\r
                for (i = 0; i < len; i++)\r
                        data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
        } else {\r

-               bt = 0;\r
-               for (i = 0; i < 4; i++)\r
-                       bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], i)) << i;\r
-                               \r
+               bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 0)) << 0;\r
+               bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 1)) << 1;\r
+               bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 2)) << 2;\r
+               bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 3)) << 3;\r

                data[0] = bt;\r
        }\r
        return;\r
 }\r
 \r
                data[0] = bt;\r
        }\r
        return;\r
 }\r
 \r

-void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, int len, uint32_t *par) {\r
+void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r

        uint8_t bt = 0;\r
        int i;\r
        uint8_t bt = 0;\r
        int i;\r

-       uint32_t mltpl = 1 << (len - 1); // for len=18 it=0x20000\r
-       *par = 0;\r
+       par[0] = 0;\r
+       \r

        for (i = 0; i < len; i++) {\r
                bt = data[i];\r
                data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
        for (i = 0; i < len; i++) {\r
                bt = data[i];\r
                data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r

-               *par = (*par >> 1) | ( ((filter(pcs->odd) ^ oddparity(bt)) & 0x01) * mltpl );\r
+               if ( ( i & 0x0007 ) == 0) \r
+                       par[ i >> 3 ] = 0;\r
+               par[ i >> 3 ] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));\r

        }       \r
        }       \r

-       return;\r

 }\r
 \r
 uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {\r
        uint8_t bt = 0;\r
 }\r
 \r
 uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {\r
        uint8_t bt = 0;\r

-       int i;\r
-\r
-       for (i = 0; i < 4; i++)\r
-               bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, i)) << i;\r
-               \r
+       bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 0)) << 0;\r
+       bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 1)) << 1;\r
+       bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 2)) << 2;\r
+       bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 3)) << 3;\r

        return bt;\r
 }\r
 \r
        return bt;\r
 }\r
 \r

-// send commands\r
-int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t *timing)\r
-{\r
-       return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, NULL, timing);
-}
-
-int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *timing)
-{
-        uint8_t dcmd[8];//, ecmd[4];
-        //uint32_t par=0;
-
-        dcmd[0] = cmd;
-        dcmd[1] = data[0];
-       dcmd[2] = data[1];
-       dcmd[3] = data[2];
-       dcmd[4] = data[3];
-       dcmd[5] = data[4];
-       AppendCrc14443a(dcmd, 6);
-       //Dbprintf("Data command: %02x", dcmd[0]);
-       //Dbprintf("Data R: %02x %02x %02x %02x %02x %02x %02x", dcmd[1],dcmd[2],dcmd[3],dcmd[4],dcmd[5],dcmd[6],dcmd[7]);
-
-        //memcpy(ecmd, dcmd, sizeof(dcmd));
-       ReaderTransmit(dcmd, sizeof(dcmd), NULL);
-       int len = ReaderReceive(answer);
-       if(!len)
-       {
-                if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");
-                return 2;
-        }
-       return len;
-}
-
-int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t * parptr, uint32_t *timing)
-{
-       uint8_t dcmd[4], ecmd[4];
-       uint32_t pos, par, res;\r
-\r
-       dcmd[0] = cmd;\r
-       dcmd[1] = data;\r
+// send X byte basic commands\r
+int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing) {\r
+       uint8_t dcmd[data_size+3];\r
+    dcmd[0] = cmd;\r
+       memcpy(dcmd+1, data, data_size);\r
+       AppendCrc14443a(dcmd, data_size+1);\r
+       ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
+       int len = ReaderReceive(answer, answer_parity);\r
+       if(!len) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("%02X Cmd failed. Card timeout.", cmd);\r
+               len = ReaderReceive(answer,answer_parity);\r
+    }\r
+       return len;\r
+}\r
+\r
+// send 2 byte commands\r
+int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing) {\r
+       uint16_t pos, res;\r
+       uint8_t dcmd[4] = {cmd, data, 0x00, 0x00};\r
+       uint8_t ecmd[4] = {0x00, 0x00, 0x00, 0x00};\r
+       uint8_t par[1] = {0x00};                        // 1 Byte parity is enough here\r

        AppendCrc14443a(dcmd, 2);\r
        AppendCrc14443a(dcmd, 2);\r

-       \r

        memcpy(ecmd, dcmd, sizeof(dcmd));\r
        \r
        if (crypted) {\r
        memcpy(ecmd, dcmd, sizeof(dcmd));\r
        \r
        if (crypted) {\r

-               par = 0;\r
-               for (pos = 0; pos < 4; pos++)\r
-               {\r
+               par[0] = 0;\r
+               for (pos = 0; pos < 4; pos++) {\r

                        ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
                        ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r

-                       par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) * 0x08 );\r
+                       par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));\r

                }       \r
                }       \r

-\r

                ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
                ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r

-\r

        } else {\r
                ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
        }\r
 \r
        } else {\r
                ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
        }\r
 \r

-       int len = ReaderReceivePar(answer, &par);\r
+       int len = ReaderReceive(answer, par);\r
+       \r
+       if (answer_parity) *answer_parity = par[0];\r

        \r
        \r

-       if (parptr) *parptr = par;\r
-\r

        if (crypted == CRYPT_ALL) {\r
                if (len == 1) {\r
                        res = 0;\r
        if (crypted == CRYPT_ALL) {\r
                if (len == 1) {\r
                        res = 0;\r

-                       for (pos = 0; pos < 4; pos++)\r
-                               res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], pos)) << pos;\r
-                               \r
-                       answer[0] = res;\r
-                       \r
+                       res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 0)) << 0;\r
+                       res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 1)) << 1;\r
+                       res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 2)) << 2;\r
+                       res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 3)) << 3;\r
+                       answer[0] = res;                        \r

                } else {\r
                        for (pos = 0; pos < len; pos++)\r
                } else {\r
                        for (pos = 0; pos < len; pos++)\r

-                       {\r

                                answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];\r
                                answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];\r

-                       }\r

                }\r
        }\r
                }\r
        }\r

-       \r

        return len;\r
 }\r
 \r
        return len;\r
 }\r
 \r

-// mifare commands\r
-int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested) \r
-{\r
+// mifare classic commands\r
+int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) {\r

        return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r
 }\r
 \r
        return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r
 }\r
 \r

-int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested, uint32_t * ntptr, uint32_t *timing) \r
-{\r
-       // variables\r
+int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t *ntptr, uint32_t *timing) {\r

        int len;        \r
        uint32_t pos;\r
        int len;        \r
        uint32_t pos;\r

-       uint8_t tmp4[4];\r
-       byte_t par = 0;\r
-       byte_t ar[4];\r
+       uint8_t par[1] = {0x00};\r
+\r
+       // "random" reader nonce:\r
+       //byte_t nr[4] = {0x55, 0x41, 0x49, 0x92};\r
+       byte_t nr[4] = {0x01, 0x01, 0x01, 0x01};\r
+       \r

        uint32_t nt, ntpp; // Supplied tag nonce\r
        \r
        uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r
        uint32_t nt, ntpp; // Supplied tag nonce\r
        \r
        uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r

-       uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
-\r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
+       \r

        // Transmit MIFARE_CLASSIC_AUTH\r
        // Transmit MIFARE_CLASSIC_AUTH\r

-       len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, timing);\r
-       if (MF_DBGLEVEL >= 4)   Dbprintf("rand nonce len: %x", len);  \r
+       len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, receivedAnswerPar, timing);\r
+       if (MF_DBGLEVEL >= 4)   Dbprintf("rand tag nonce len: %x", len);  \r

        if (len != 4) return 1;\r
        \r
        if (len != 4) return 1;\r
        \r

-       ar[0] = 0x55;\r
-       ar[1] = 0x41;\r
-       ar[2] = 0x49;\r
-       ar[3] = 0x92; \r
-       \r

        // Save the tag nonce (nt)\r
        nt = bytes_to_num(receivedAnswer, 4);\r
 \r
        // Save the tag nonce (nt)\r
        nt = bytes_to_num(receivedAnswer, 4);\r
 \r


@@ -211,57 +171,50 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        if (ntptr)\r
                *ntptr = nt;\r
 \r
        if (ntptr)\r
                *ntptr = nt;\r
 \r

-       par = 0;\r

        // Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r
        // Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r

-       for (pos = 0; pos < 4; pos++)\r
-       {\r
-               mf_nr_ar[pos] = crypto1_byte(pcs, ar[pos], 0) ^ ar[pos];\r
-               par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(ar[pos])) & 0x01) * 0x80 );\r
+       par[0] = 0;\r
+       for (pos = 0; pos < 4; pos++) {\r
+               mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r
+               par[0] |= (((filter(pcs->odd) ^ oddparity8(nr[pos])) & 0x01) << (7-pos));\r

        }       \r
                \r
        // Skip 32 bits in pseudo random generator\r
        }       \r
                \r
        // Skip 32 bits in pseudo random generator\r

-       nt = prng_successor(nt,32);\r
+       nt = prng_successor(nt, 32);\r

 \r
        //  ar+parity\r
 \r
        //  ar+parity\r

-       for (pos = 4; pos < 8; pos++)\r
-       {\r
+       for (pos = 4; pos < 8; pos++) {\r

                nt = prng_successor(nt,8);\r
                mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r
                nt = prng_successor(nt,8);\r
                mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r

-               par = (par >> 1)| ( ((filter(pcs->odd) ^ oddparity(nt & 0xff)) & 0x01) * 0x80 );\r
+               par[0] |= (((filter(pcs->odd) ^ oddparity8(nt & 0xff)) & 0x01) << (7-pos));\r

        }       \r
                \r
        // Transmit reader nonce and reader answer\r
        ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par, NULL);\r
 \r
        }       \r
                \r
        // Transmit reader nonce and reader answer\r
        ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par, NULL);\r
 \r

-       // Receive 4 bit answer\r
-       len = ReaderReceive(receivedAnswer);\r
-       if (!len)\r
-       {\r
+       // Receive 4 byte tag answer\r
+       len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
+       if (!len) {\r

                if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");\r
                return 2;\r
        }\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");\r
                return 2;\r
        }\r

-       \r
-       memcpy(tmp4, receivedAnswer, 4);\r
+\r

        ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);\r
        ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);\r

-       \r
-       if (ntpp != bytes_to_num(tmp4, 4)) {\r
+\r
+       if (ntpp != bytes_to_num(receivedAnswer, 4)) {\r

                if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Error card response.");\r
                return 3;\r
        }\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Error card response.");\r
                return 3;\r
        }\r

-\r

        return 0;\r
 }\r
 \r
        return 0;\r
 }\r
 \r

-int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
-{\r
-       // variables\r
+int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) {\r
+\r

        int len;        \r
        int len;        \r

-       uint8_t bt[2];\r
-       \r
-       uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
+       uint8_t bt[2] = {0x00, 0x00};   \r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r

        \r
        \r

-       // command MIFARE_CLASSIC_READBLOCK\r
-       len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, NULL);\r
+       len = mifare_sendcmd_short(pcs, 1, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r

        if (len == 1) {\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);  \r
                return 1;\r
        if (len == 1) {\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);  \r
                return 1;\r


@@ -279,53 +232,160 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
        }\r
        \r
        memcpy(blockData, receivedAnswer, 16);\r
        }\r
        \r
        memcpy(blockData, receivedAnswer, 16);\r

-       return 0;
-}
-
-int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
-{
-       // variables
-       int len;
-       uint8_t bt[2];
-       
-       uint8_t* receivedAnswer = mifare_get_bigbufptr();
-       
-       // command MIFARE_CLASSIC_READBLOCK
-       len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer,NULL);
-       if (len == 1) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
-               return 1;
-       }
-       if (len != 18) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: card timeout. len: %x", len);
-               return 2;
-       }
-    
-       memcpy(bt, receivedAnswer + 16, 2);
-       AppendCrc14443a(receivedAnswer, 16);
-       if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd CRC response error.");
-               return 3;
-       }
-       
-       memcpy(blockData, receivedAnswer, 14);
-       return 0;
-}
-
-
-int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) 
-{
-       // variables
-       int len, i;     \r
-       uint32_t pos;\r
-       uint32_t par = 0;\r
-       byte_t res;\r
+       return 0;\r
+}\r
+\r
+// mifare ultralight commands\r
+int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){\r
+\r
+       uint16_t len = 0;\r
+       uint8_t resp[4] = {0x00, 0x00, 0x00, 0x00};\r
+       uint8_t respPar[1] = {0x00};\r
+       uint8_t key[4] = {0x00, 0x00, 0x00, 0x00};\r
+       memcpy(key, keybytes, 4);\r
+\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
+               Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]);\r
+       \r
+       len = mifare_sendcmd(0x1B, key, sizeof(key), resp, respPar, NULL);\r
+\r
+       if (len != 4) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len);\r
+               return 0;\r
+       }\r
+\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
+               Dbprintf("Auth Resp: %02x%02x%02x%02x", resp[0],resp[1],resp[2],resp[3]);\r
+\r
+       memcpy(pack, resp, 4);\r
+       return 1;\r
+}\r
+\r
+int mifare_ultra_auth(uint8_t *keybytes){\r
+\r
+       /// 3des2k\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
+       uint8_t key[16] = {0x00};\r
+       memcpy(key, keybytes, 16);\r
+\r
+       uint16_t len = 0;\r
+       uint8_t resp[19] = {0x00};\r
+       uint8_t respPar[3] = {0,0,0};\r
+\r
+       // REQUEST AUTHENTICATION\r
+       len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, resp, respPar ,NULL);\r
+       if (len != 11) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
+               return 0;\r
+       }\r
+\r
+       // tag nonce.\r
+       memcpy(enc_random_b,resp+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],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],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],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],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
+       len = mifare_sendcmd(0xAF, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL);\r
+       if (len != 11) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
+               return 0;\r
+       }\r
+\r
+       uint8_t enc_resp[8] = { 0,0,0,0,0,0,0,0 };\r
+       uint8_t resp_random_a[8] = { 0,0,0,0,0,0,0,0 };\r
+       memcpy(enc_resp, resp+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
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("failed authentication");\r
+               return 0;\r
+       }\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
+       return 1;\r
+}\r
+\r
+int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData) {\r
+       uint16_t len = 0;\r
+       uint8_t bt[2] = {0x00, 0x00};\r
+       uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
+       uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
+       \r
+       len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
+       if (len == 1) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+               return 1;\r
+       }\r
+       if (len != 18) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len);\r
+               return 2;\r
+       }\r
+    \r
+       memcpy(bt, receivedAnswer + 16, 2);\r
+       AppendCrc14443a(receivedAnswer, 16);\r
+       if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error.");\r
+               return 3;\r
+       }\r
+       \r
+       memcpy(blockData, receivedAnswer, 14);\r
+       return 0;\r
+}\r
+\r
+int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) {\r
+       // variables\r
+       uint16_t len = 0;       \r
+       uint32_t pos = 0;\r
+       uint8_t par[3] = {0x00, 0x00, 0x00}; // enough for 18 Bytes to send\r
+       byte_t res = 0;\r

        \r
        uint8_t d_block[18], d_block_enc[18];\r
        \r
        uint8_t d_block[18], d_block_enc[18];\r

-       uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r

        \r
        // command MIFARE_CLASSIC_WRITEBLOCK\r
        \r
        // command MIFARE_CLASSIC_WRITEBLOCK\r

-       len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, NULL);\r
+       len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r

 \r
        if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);  \r
 \r
        if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);  \r


@@ -336,136 +396,112 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
        AppendCrc14443a(d_block, 16);\r
        \r
        // crypto\r
        AppendCrc14443a(d_block, 16);\r
        \r
        // crypto\r

-       par = 0;\r
-       for (pos = 0; pos < 18; pos++)\r
-       {\r
+       for (pos = 0; pos < 18; pos++) {\r

                d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
                d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r

-               par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) * 0x20000 );\r
+               par[pos>>3] |= (((filter(pcs->odd) ^ oddparity8(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r

        }       \r
 \r
        ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
 \r
        // Receive the response\r
        }       \r
 \r
        ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
 \r
        // Receive the response\r

-       len = ReaderReceive(receivedAnswer);    \r
+       len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r

 \r
        res = 0;\r
 \r
        res = 0;\r

-       for (i = 0; i < 4; i++)\r
-               res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], i)) << i;\r
+       res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 0)) << 0;\r
+       res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 1)) << 1;\r
+       res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 2)) << 2;\r
+       res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 3)) << 3;\r

 \r
        if ((len != 1) || (res != 0x0A)) {\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd send data2 Error: %02x", res);  \r
                return 2;\r
        }\r
 \r
        if ((len != 1) || (res != 0x0A)) {\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd send data2 Error: %02x", res);  \r
                return 2;\r
        }\r

-       \r
-       return 0;
-}
-
-int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) 
-{
-        // variables
-        int len;     
-        uint32_t par = 0;
-        
-        uint8_t d_block[18];
-        uint8_t* receivedAnswer = mifare_get_bigbufptr();
-        
-        // command MIFARE_CLASSIC_WRITEBLOCK
-        len = mifare_sendcmd_short(NULL, 1, 0xA0, blockNo, receivedAnswer,NULL);
-
-        if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK
-                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);  
-                return 1;
-        }
-
-       memset(d_block,'\0',18);
-       memcpy(d_block, blockData, 16);
-        AppendCrc14443a(d_block, 16);
-
-       ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);
-
-        // Receive the response
-        len = ReaderReceive(receivedAnswer);    
-
-       if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK
-                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);
-                return 2;
-        }        
-
-        return 0;
-} 
-
-int mifare_ultra_special_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
-{
-        // variables
-        int len;
-        //uint32_t par = 0;
-
-        uint8_t d_block[8];
-        uint8_t* receivedAnswer = mifare_get_bigbufptr();
-
-        // command MIFARE_CLASSIC_WRITEBLOCK
-       memset(d_block,'\0',8);
-       d_block[0]= blockNo;
-       memcpy(d_block+1,blockData,4);
-       AppendCrc14443a(d_block, 6);
-
-       //i know the data send here is correct
-        len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer,NULL);
-
-        if (receivedAnswer[0] != 0x0A) {   //  0x0a - ACK
-                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);
-                return 1;
-        }
-        return 0;
-}
-
-int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) 
-{
-       // variables
-       int len;        \r
-       \r
-       // Mifare HALT\r
-       uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
+       return 0;\r
+}\r
+\r
+/* // command not needed, but left for future testing\r
+int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) {\r
+       uint16_t len;\r
+    uint8_t par[3] = {0};  // enough for 18 parity bits\r
+       uint8_t d_block[18] = {0x00};\r
+       uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
+\r
+    len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
+\r
+    if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);\r
+        return 1;\r
+    }\r
+\r
+       memcpy(d_block, blockData, 16);\r
+    AppendCrc14443a(d_block, 16);\r
+\r
+       ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);\r

 \r
 \r

-       len = mifare_sendcmd_short(pcs, pcs == NULL ? 0:1, 0x50, 0x00, receivedAnswer, NULL);\r
+       len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
+\r
+       if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);\r
+        return 2;\r
+       }\r
+    return 0;\r
+}\r
+*/\r
+\r
+int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) {\r
+    uint16_t len = 0;\r
+       uint8_t block[5] = {blockNo, 0x00, 0x00, 0x00, 0x00 };\r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
+\r
+    // command MIFARE_CLASSIC_WRITEBLOCK\r
+       memcpy(block+1, blockData, 4);\r
+\r
+       len = mifare_sendcmd( MIFARE_ULC_WRITE, block, sizeof(block), receivedAnswer, receivedAnswerPar, NULL);\r
+\r
+    if (receivedAnswer[0] != 0x0A) {   //  0x0a - ACK\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);\r
+        return 1;\r
+    }\r
+    return 0;\r
+}\r
+int mifare_classic_halt_ex(struct Crypto1State *pcs) {\r
+       uint16_t len = 0;       \r
+       uint8_t receivedAnswer[4] = {0x00, 0x00, 0x00, 0x00};\r
+       len = mifare_sendcmd_short(pcs, (pcs == NULL) ? CRYPT_NONE : CRYPT_ALL, 0x50, 0x00, receivedAnswer, NULL, NULL);\r
+       if (len != 0) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len);  \r
+               return 1;\r
+       }\r
+       return 0;\r
+}\r
+int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) {\r
+       return mifare_classic_halt_ex(pcs);\r
+}\r
+\r
+int mifare_ultra_halt() {\r
+       uint16_t len = 0;\r
+       uint8_t receivedAnswer[4] = {0x00, 0x00, 0x00, 0x00};\r
+       len = mifare_sendcmd_short(NULL, CRYPT_NONE, 0x50, 0x00, receivedAnswer, NULL, NULL);\r

        if (len != 0) {\r
        if (len != 0) {\r

-               if (MF_DBGLEVEL >= 1)   Dbprintf("halt error. response len: %x", len);  \r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len);\r

                return 1;\r
        }\r
                return 1;\r
        }\r

+       return 0;\r
+}\r

 \r
 \r

-       return 0;
-}
-
-int mifare_ultra_halt(uint32_t uid)
-{
-       // variables
-       int len;
-       
-       // Mifare HALT
-       uint8_t* receivedAnswer = mifare_get_bigbufptr();
-    
-       len = mifare_sendcmd_short(NULL, 1, 0x50, 0x00, receivedAnswer, NULL);
-       if (len != 0) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("halt error. response len: %x", len);
-               return 1;
-       }
-    
-       return 0;
-}
-

 \r
 // Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r
 // plus evtl. 8 sectors with 16 blocks each (4k cards)\r
 \r
 // Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r
 // plus evtl. 8 sectors with 16 blocks each (4k cards)\r

-uint8_t NumBlocksPerSector(uint8_t sectorNo) \r
-{\r
-       if (sectorNo < 32) \r
-               return 4;\r
-       else\r
-               return 16;\r
+uint8_t NumBlocksPerSector(uint8_t sectorNo) {\r
+       return (sectorNo < 32) ? 4 : 16;\r

 }\r
 \r
 }\r
 \r

-uint8_t FirstBlockOfSector(uint8_t sectorNo) \r
-{\r
+uint8_t FirstBlockOfSector(uint8_t sectorNo) {\r

        if (sectorNo < 32)\r
                return sectorNo * 4;\r
        else\r
        if (sectorNo < 32)\r
                return sectorNo * 4;\r
        else\r


@@ -473,28 +509,28 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo)
                \r
 }\r
 \r
                \r
 }\r
 \r

+// work with emulator memory\r
+void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
+       emlSetMem_xt(data, blockNum, blocksCount, 16);\r
+}\r

 \r
 \r

-// work with emulator memory
-void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {
-       uint8_t* emCARD = eml_get_bigbufptr_cardmem();
-       \r
-       memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\r
+void emlSetMem_xt(uint8_t *data, int blockNum, int blocksCount, int blockBtWidth) {\r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r
+       memcpy(emCARD + blockNum * blockBtWidth, data, blocksCount * blockBtWidth);\r

 }\r
 \r
 void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
 }\r
 \r
 void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r

-       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
-       \r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r

        memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r
 }\r
 \r
 void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r
        memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r
 }\r
 \r
 void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r

-       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
-       \r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r

        memcpy(data, emCARD + bytePtr, byteCount);\r
 }\r
 \r
 int emlCheckValBl(int blockNum) {\r
        memcpy(data, emCARD + bytePtr, byteCount);\r
 }\r
 \r
 int emlCheckValBl(int blockNum) {\r

-       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r

        uint8_t* data = emCARD + blockNum * 16;\r
 \r
        if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r
        uint8_t* data = emCARD + blockNum * 16;\r
 \r
        if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r


@@ -509,21 +545,19 @@ int emlCheckValBl(int blockNum) {
 }\r
 \r
 int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r
 }\r
 \r
 int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r

-       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r

        uint8_t* data = emCARD + blockNum * 16;\r
        \r
        uint8_t* data = emCARD + blockNum * 16;\r
        \r

-       if (emlCheckValBl(blockNum)) {\r
+       if (emlCheckValBl(blockNum))\r

                return 1;\r
                return 1;\r

-       }\r

        \r
        memcpy(blReg, data, 4);\r
        *blBlock = data[12];\r
        \r
        memcpy(blReg, data, 4);\r
        *blBlock = data[12];\r

-       \r

        return 0;\r
 }\r
 \r
 int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r
        return 0;\r
 }\r
 \r
 int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r

-       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r

        uint8_t* data = emCARD + blockNum * 16;\r
        \r
        memcpy(data + 0, &blReg, 4);\r
        uint8_t* data = emCARD + blockNum * 16;\r
        \r
        memcpy(data + 0, &blReg, 4);\r


@@ -540,8 +574,8 @@ int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {
 }\r
 \r
 uint64_t emlGetKey(int sectorNum, int keyType) {\r
 }\r
 \r
 uint64_t emlGetKey(int sectorNum, int keyType) {\r

-       uint8_t key[6];\r
-       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
+       uint8_t key[6] = {0x00};\r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r

        \r
        memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r
        return bytes_to_num(key, 6);\r
        \r
        memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r
        return bytes_to_num(key, 6);\r


@@ -552,16 +586,108 @@ void emlClearMem(void) {
        \r
        const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
        const uint8_t uid[]   =   {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r
        \r
        const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
        const uint8_t uid[]   =   {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r

-       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r

        \r
        \r

-       memset(emCARD, 0, CARD_MEMORY_LEN);\r
+       memset(emCARD, 0, CARD_MEMORY_SIZE);\r

        \r
        // fill sectors trailer data\r
        \r
        // fill sectors trailer data\r

-       for(b = 3; b < 256; b<127?(b+=4):(b+=16)) {\r
+       for(b = 3; b < 256; b<127?(b+=4):(b+=16))\r

                emlSetMem((uint8_t *)trailer, b , 1);\r
                emlSetMem((uint8_t *)trailer, b , 1);\r

-       }       \r

 \r
        // uid\r
        emlSetMem((uint8_t *)uid, 0, 1);\r
        return;\r
 }\r
 \r
        // uid\r
        emlSetMem((uint8_t *)uid, 0, 1);\r
        return;\r
 }\r

+\r
+\r
+// Mifare desfire commands\r
+int mifare_sendcmd_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r
+{\r
+    uint8_t dcmd[5] = {cmd, data[0], data[1], 0x00, 0x00};\r
+       AppendCrc14443a(dcmd, 3);\r
+       \r
+       ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
+       int len = ReaderReceive(answer, answer_parity);\r
+       if(!len) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) \r
+                       Dbprintf("Authentication failed. Card timeout.");\r
+               return 1;\r
+    }\r
+       return len;\r
+}\r
+\r
+int mifare_sendcmd_special2(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer,uint8_t *answer_parity, uint32_t *timing)\r
+{\r
+    uint8_t dcmd[20] = {0x00};\r
+    dcmd[0] = cmd;\r
+    memcpy(dcmd+1,data,17);\r
+       AppendCrc14443a(dcmd, 18);\r
+\r
+       ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
+       int len = ReaderReceive(answer, answer_parity);\r
+       if(!len){\r
+        if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Authentication failed. Card timeout.");\r
+               return 1;\r
+    }\r
+       return len;\r
+}\r
+\r
+int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){\r
+\r
+       int len;\r
+       // load key, keynumber\r
+       uint8_t data[2]={0x0a, 0x00};\r
+       uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
+       uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
+       \r
+       len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
+       if (len == 1) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+               return 1;\r
+       }\r
+       \r
+       if (len == 12) {\r
+               if (MF_DBGLEVEL >= MF_DBG_EXTENDED)     {\r
+                       Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
+                               receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
+                               receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
+                               receivedAnswer[10],receivedAnswer[11]);\r
+                       }\r
+                       memcpy(blockData, receivedAnswer, 12);\r
+               return 0;\r
+       }\r
+       return 1;\r
+}\r
+\r
+int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r
+\r
+       int len;\r
+       uint8_t data[17] = {0x00};\r
+       data[0] = 0xAF;\r
+       memcpy(data+1,key,16);\r
+       \r
+       uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
+       uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
+       \r
+       len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r
+       \r
+       if ((receivedAnswer[0] == 0x03) && (receivedAnswer[1] == 0xae)) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);\r
+               return 1;\r
+       }\r
+       \r
+       if (len == 12){\r
+               if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
+                       Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
+                               receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
+                               receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
+                               receivedAnswer[10],receivedAnswer[11]);\r
+                       }\r
+               memcpy(blockData, receivedAnswer, 12);\r
+               return 0;\r
+       }\r
+       return 1;\r
+}\r