CHG: Added the urls to the new Wiki on github inside the flasher.c usuage text.

[proxmark3-svn] / armsrc / mifareutil.c

diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index c706e78a4a5d7f022a193e5c6d3a34a1dc1ae192..1bc5454552aaf58d6bf5580426ce78520979be0a 100644 (file)
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -18,6 +18,7 @@
 #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
 #include "des.h"\r
 \r
 int MF_DBGLEVEL = MF_DBG_ALL;\r


@@ -31,10 +32,10 @@ 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
                data[0] = bt;\r
        }\r
        return;\r


@@ -48,34 +49,26 @@ void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, u
        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

-               if((i&0x0007) == 0) \r
+               if ((i&0x0007) == 0) \r

                        par[i>>3] = 0;\r
                        par[i>>3] = 0;\r

-               par[i>>3] |= (((filter(pcs->odd) ^ oddparity(bt)) & 0x01)<<(7-(i&0x0007)));\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 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
-{\r
-       return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, timing);\r
-}\r
-\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
 {\r
        uint8_t dcmd[data_size+3];\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
 {\r
        uint8_t dcmd[data_size+3];\r

-       dcmd[0] = cmd;\r
+    dcmd[0] = cmd;\r

        memcpy(dcmd+1,data,data_size);\r
        AppendCrc14443a(dcmd, data_size+1);\r
        ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
        memcpy(dcmd+1,data,data_size);\r
        AppendCrc14443a(dcmd, data_size+1);\r
        ReaderTransmit(dcmd, sizeof(dcmd), timing);\r


@@ -83,61 +76,17 @@ int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answe
        if(!len) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("%02X Cmd failed. Card timeout.", cmd);\r
                        len = ReaderReceive(answer,answer_parity);\r
        if(!len) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("%02X Cmd failed. Card timeout.", cmd);\r
                        len = ReaderReceive(answer,answer_parity);\r

-               //return 0;\r
-       }\r
-       return len;\r
-}\r
-\r
-/*\r
-int mifare_sendcmd_short_mfucauth(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[19];\r
-       int len; \r
-       dcmd[0] = cmd;\r
-       memcpy(dcmd+1,data,16);\r
-       AppendCrc14443a(dcmd, 17);\r
-       \r
-       ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
-       len = ReaderReceive(answer, answer_parity);\r
-       if(!len) {\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("Authentication failed. Card timeout.");\r
-                       len = ReaderReceive(answer,answer_parity);\r
-       }\r
-       if(len==1) {\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("NAK - Authentication failed.");\r
-               return 1;\r
-       }\r
-       return len;\r
-}\r
-\r
-int mifare_sendcmd_short_mfuev1auth(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[7];\r
-       int len; \r
-       dcmd[0] = cmd;\r
-       memcpy(dcmd+1,data,4);\r
-       AppendCrc14443a(dcmd, 5);\r
-\r
-       ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
-       len = ReaderReceive(answer, answer_parity);\r
-       if(!len) {\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("Authentication failed. Card timeout.");\r
-               len = ReaderReceive(answer,answer_parity);\r
-       }\r
-       if(len==1) {\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("NAK - Authentication failed.");\r
-               return 1;\r
-       }\r
+    }\r

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

-*/\r

 \r
 // send 2 byte commands\r
 \r
 // send 2 byte commands\r

-int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)\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

 {\r
 {\r

-       uint8_t dcmd[4], ecmd[4];\r
+       uint8_t dcmd[4] = {0x00};\r
+       uint8_t ecmd[4] = {0x00};\r

        uint16_t pos, res;\r
        uint16_t pos, res;\r

-       uint8_t par[1];                 // 1 Byte parity is enough here\r
+       uint8_t par[1] = {0x00};                        // 1 Byte parity is enough here\r

        dcmd[0] = cmd;\r
        dcmd[1] = data;\r
        AppendCrc14443a(dcmd, 2);\r
        dcmd[0] = cmd;\r
        dcmd[1] = data;\r
        AppendCrc14443a(dcmd, 2);\r


@@ -146,10 +95,9 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm
        \r
        if (crypted) {\r
                par[0] = 0;\r
        \r
        if (crypted) {\r
                par[0] = 0;\r

-               for (pos = 0; pos < 4; pos++)\r
-               {\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[0] |= (((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) << (7-pos));\r
+                       par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));\r

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


@@ -165,16 +113,15 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm
        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
+                       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
                        \r
                } else {\r
                        for (pos = 0; pos < len; pos++)\r
                        answer[0] = res;\r
                        \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
        \r


@@ -192,9 +139,13 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        // variables\r
        int len;        \r
        uint32_t pos;\r
        // variables\r
        int len;        \r
        uint32_t pos;\r

-       uint8_t tmp4[4];\r
+       uint8_t tmp4[4] = {0x00};\r

        uint8_t par[1] = {0x00};\r
        uint8_t par[1] = {0x00};\r

-       byte_t nr[4];\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


@@ -206,12 +157,6 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        if (MF_DBGLEVEL >= 4)   Dbprintf("rand tag nonce len: %x", len);  \r
        if (len != 4) return 1;\r
        \r
        if (MF_DBGLEVEL >= 4)   Dbprintf("rand tag nonce len: %x", len);  \r
        if (len != 4) return 1;\r
        \r

-       // "random" reader nonce:\r
-       nr[0] = 0x55;\r
-       nr[1] = 0x41;\r
-       nr[2] = 0x49;\r
-       nr[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


@@ -243,7 +188,7 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        for (pos = 0; pos < 4; pos++)\r
        {\r
                mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r
        for (pos = 0; pos < 4; pos++)\r
        {\r
                mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r

-               par[0] |= (((filter(pcs->odd) ^ oddparity(nr[pos])) & 0x01) << (7-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


@@ -254,7 +199,7 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        {\r
                nt = prng_successor(nt,8);\r
                mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r
        {\r
                nt = prng_successor(nt,8);\r
                mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r

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

        }       \r
                \r
        // Transmit reader nonce and reader answer\r
        }       \r
                \r
        // Transmit reader nonce and reader answer\r


@@ -283,10 +228,10 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
 {\r
        // variables\r
        int len;        \r
 {\r
        // variables\r
        int len;        \r

-       uint8_t bt[2];\r
+       uint8_t bt[2] = {0x00};\r

        \r
        \r

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

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


@@ -314,14 +259,16 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
 int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){\r
 \r
        uint16_t len;\r
 int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){\r
 \r
        uint16_t len;\r

-       uint8_t resp[4];\r
-       uint8_t respPar[1];\r
+       uint8_t resp[4] = {0x00};\r
+       uint8_t respPar[1] = {0x00};\r

        uint8_t key[4] = {0x00};\r
        memcpy(key, keybytes, 4);\r
 \r
        uint8_t key[4] = {0x00};\r
        memcpy(key, keybytes, 4);\r
 \r

-       Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]);\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
        len = mifare_sendcmd(0x1B, key, sizeof(key), resp, respPar, NULL);\r

-       //len = mifare_sendcmd_short_mfuev1auth(NULL, 0, 0x1B, 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
        if (len != 4) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len);\r
                return 0;\r


@@ -424,10 +371,9 @@ int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)
 {\r
        uint16_t len;\r
        uint8_t bt[2];\r
 {\r
        uint16_t len;\r
        uint8_t bt[2];\r

-       uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
-       uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
+       uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
+       uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r

        \r
        \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
        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


@@ -453,13 +399,13 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
 {\r
        // variables\r
        uint16_t len, i;        \r
 {\r
        // variables\r
        uint16_t len, i;        \r

-       uint32_t pos;\r
-       uint8_t par[3] = {0};           // enough for 18 Bytes to send\r
-       byte_t res;\r
+       uint32_t pos = 0;\r
+       uint8_t par[3] = {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[MAX_MIFARE_FRAME_SIZE];\r
-       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\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
        len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
        \r
        // command MIFARE_CLASSIC_WRITEBLOCK\r
        len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r


@@ -476,7 +422,7 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
        for (pos = 0; pos < 18; pos++)\r
        {\r
                d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
        for (pos = 0; pos < 18; pos++)\r
        {\r
                d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r

-               par[pos>>3] |= (((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\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
 \r
        ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r


@@ -500,21 +446,21 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
 int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) \r
 {\r
        uint16_t len;\r
 int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) \r
 {\r
        uint16_t len;\r

-       uint8_t par[3] = {0};  // enough for 18 parity bits\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
        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
+    len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r

 \r
 \r

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

-               return 1;\r
-       }\r
+        return 1;\r
+    }\r

 \r
        memcpy(d_block, blockData, 16);\r
 \r
        memcpy(d_block, blockData, 16);\r

-       AppendCrc14443a(d_block, 16);\r
+    AppendCrc14443a(d_block, 16);\r

 \r
        ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);\r
 \r
 \r
        ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);\r
 \r


@@ -523,55 +469,54 @@ int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData)
        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
        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
+        return 2;\r

        }\r
        }\r

-       return 0;\r
+    return 0;\r

 }\r
 */\r
 \r
 int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)\r
 {\r
 }\r
 */\r
 \r
 int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)\r
 {\r

-       uint16_t len;\r
+    uint16_t len;\r

        uint8_t d_block[5] = {0x00};\r
        uint8_t d_block[5] = {0x00};\r

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

 \r
 \r

-       // command MIFARE_CLASSIC_WRITEBLOCK\r
+    // command MIFARE_CLASSIC_WRITEBLOCK\r

        d_block[0]= blockNo;\r
        memcpy(d_block+1,blockData,4);\r
        //AppendCrc14443a(d_block, 6);\r
 \r
        len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);\r
 \r
        d_block[0]= blockNo;\r
        memcpy(d_block+1,blockData,4);\r
        //AppendCrc14443a(d_block, 6);\r
 \r
        len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);\r
 \r

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

-               return 1;\r
-       }\r
-       return 0;\r
+        return 1;\r
+    }\r
+    return 0;\r

 }\r
 }\r

-\r
-int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) \r
-{\r
+int mifare_classic_halt_ex(struct Crypto1State *pcs) {\r

        uint16_t len;   \r
        uint16_t len;   \r

-       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
-       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+       uint8_t receivedAnswer[4] = {0x00};\r
+       uint8_t receivedAnswerPar[4] = {0x00};\r

 \r
        len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
        if (len != 0) {\r
 \r
        len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
        if (len != 0) {\r

-               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
-                       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

-\r

        return 0;\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
 {\r
        uint16_t len;\r
 \r
 int mifare_ultra_halt()\r
 {\r
        uint16_t len;\r

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

     \r
        len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
        if (len != 0) {\r
     \r
        len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
        if (len != 0) {\r


@@ -589,8 +534,7 @@ uint8_t NumBlocksPerSector(uint8_t sectorNo)
 {\r
        if (sectorNo < 32) \r
                return 4;\r
 {\r
        if (sectorNo < 32) \r
                return 4;\r

-       else\r
-               return 16;\r
+       return 16;\r

 }\r
 \r
 uint8_t FirstBlockOfSector(uint8_t sectorNo) \r
 }\r
 \r
 uint8_t FirstBlockOfSector(uint8_t sectorNo) \r


@@ -605,8 +549,12 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo)
 \r
 // work with emulator memory\r
 void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\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
+void emlSetMem_xt(uint8_t *data, int blockNum, int blocksCount, int blockBtWidth) {\r

        uint8_t* emCARD = BigBuf_get_EM_addr();\r
        uint8_t* emCARD = BigBuf_get_EM_addr();\r

-       memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\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


@@ -638,9 +586,8 @@ int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {
        uint8_t* emCARD = BigBuf_get_EM_addr();\r
        uint8_t* data = emCARD + blockNum * 16;\r
        \r
        uint8_t* emCARD = BigBuf_get_EM_addr();\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


@@ -665,7 +612,7 @@ 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 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
        uint8_t* emCARD = BigBuf_get_EM_addr();\r
        \r
        memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r


@@ -732,8 +679,8 @@ int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){
        int len;\r
        // load key, keynumber\r
        uint8_t data[2]={0x0a, 0x00};\r
        int len;\r
        // load key, keynumber\r
        uint8_t data[2]={0x0a, 0x00};\r

-       uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
-       uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\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
        \r
        len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
        if (len == 1) {\r


@@ -762,8 +709,8 @@ int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){
        data[0] = 0xAF;\r
        memcpy(data+1,key,16);\r
        \r
        data[0] = 0xAF;\r
        memcpy(data+1,key,16);\r
        \r

-       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
-       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\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
        \r
        len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r
        \r