]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/mifareutil.c
slight em410xdecode adjustments
[proxmark3-svn] / armsrc / mifareutil.c
index 5122d0ec1710eec74fee30aaa58161da2a9a6273..976f6dca7651ca54436b45b6b8df11b2a5b01c42 100644 (file)
@@ -54,10 +54,12 @@ void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, u
        uint8_t bt = 0;\r
        int i;\r
        par[0] = 0;\r
        uint8_t bt = 0;\r
        int i;\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
-               if((i&0x0007) == 0) par[i>>3] = 0;\r
+               if((i&0x0007) == 0) \r
+                       par[i>>3] = 0;\r
                par[i>>3] |= (((filter(pcs->odd) ^ oddparity(bt)) & 0x01)<<(7-(i&0x0007)));\r
        }       \r
        return;\r
                par[i>>3] |= (((filter(pcs->odd) ^ oddparity(bt)) & 0x01)<<(7-(i&0x0007)));\r
        }       \r
        return;\r
@@ -81,9 +83,7 @@ int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd,
 
 int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)
 {
 
 int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)
 {
-    uint8_t dcmd[8];//, ecmd[4];
-    //uint32_t par=0;
-
+       uint8_t dcmd[8];
     dcmd[0] = cmd;
     dcmd[1] = data[0];
        dcmd[2] = data[1];
     dcmd[0] = cmd;
     dcmd[1] = data[0];
        dcmd[2] = data[1];
@@ -91,10 +91,6 @@ int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint
        dcmd[4] = data[3];
        dcmd[5] = data[4];
        AppendCrc14443a(dcmd, 6);
        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, answer_parity);
        if(!len)
        ReaderTransmit(dcmd, sizeof(dcmd), NULL);
        int len = ReaderReceive(answer, answer_parity);
        if(!len)
@@ -153,7 +149,7 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm
        return len;\r
 }\r
 \r
        return len;\r
 }\r
 \r
-// mifare commands\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
 {\r
        return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r
 int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) \r
 {\r
        return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r
@@ -165,7 +161,7 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        int len;        \r
        uint32_t pos;\r
        uint8_t tmp4[4];\r
        int len;        \r
        uint32_t pos;\r
        uint8_t tmp4[4];\r
-       uint8_t par[1] = {0};\r
+       uint8_t par[1] = {0x00};\r
        byte_t nr[4];\r
        uint32_t nt, ntpp; // Supplied tag nonce\r
        \r
        byte_t nr[4];\r
        uint32_t nt, ntpp; // Supplied tag nonce\r
        \r
@@ -210,7 +206,6 @@ 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
-               \r
        // Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r
        par[0] = 0;\r
        for (pos = 0; pos < 4; pos++)\r
        // Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r
        par[0] = 0;\r
        for (pos = 0; pos < 4; pos++)\r
@@ -285,28 +280,30 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
 
 int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
 {
 
 int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
 {
-       // variables
        uint16_t len;
        uint8_t bt[2];
        uint16_t len;
        uint8_t bt[2];
-       
        uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
        uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
        
        uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
        uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
        
+       \r
        // command MIFARE_CLASSIC_READBLOCK
        len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);
        if (len == 1) {
        // command MIFARE_CLASSIC_READBLOCK
        len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);
        if (len == 1) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
                return 1;
        }
        if (len != 18) {
                return 1;
        }
        if (len != 18) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: card timeout. len: %x", len);
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       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]) {
                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.");
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Cmd CRC response error.");
                return 3;
        }
        
                return 3;
        }
        
@@ -318,7 +315,7 @@ int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
 int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) 
 {
        // variables
 int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) 
 {
        // variables
-       int len, i;     \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;\r
        uint8_t par[3] = {0};           // enough for 18 Bytes to send\r
        byte_t res;\r
@@ -364,11 +361,9 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
 
 int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) 
 {
 
 int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) 
 {
-    // variables
     uint16_t len;     
     uint8_t par[3] = {0};  // enough for 18 parity bits
     uint16_t len;     
     uint8_t par[3] = {0};  // enough for 18 parity bits
-        
-    uint8_t d_block[18];
+       uint8_t d_block[18] = {0x00};
     uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
        uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
         
     uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
        uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
         
@@ -376,64 +371,58 @@ int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
     len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);
 
     if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK
     len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);
 
     if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK
-        if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);  
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);  
         return 1;
     }
 
         return 1;
     }
 
-       memset(d_block,'\0',18);
        memcpy(d_block, blockData, 16);
     AppendCrc14443a(d_block, 16);
 
        ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);
 
        memcpy(d_block, blockData, 16);
     AppendCrc14443a(d_block, 16);
 
        ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);
 
-    // Receive the response
     len = ReaderReceive(receivedAnswer, receivedAnswerPar);    
 
        if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK
     len = ReaderReceive(receivedAnswer, receivedAnswerPar);    
 
        if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK
-        if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);
         return 2;
     }        
         return 2;
     }        
-
     return 0;
 } 
 
 int mifare_ultra_special_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
 {
     uint16_t len;
     return 0;
 } 
 
 int mifare_ultra_special_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
 {
     uint16_t len;
-
-    uint8_t d_block[8];
+       uint8_t d_block[8] = {0x00};
     uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
        uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
 
     // command MIFARE_CLASSIC_WRITEBLOCK
     uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
        uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
 
     // command MIFARE_CLASSIC_WRITEBLOCK
-       memset(d_block,'\0',8);
        d_block[0]= blockNo;
        memcpy(d_block+1,blockData,4);
        AppendCrc14443a(d_block, 6);
 
        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, receivedAnswerPar, NULL);
 
     if (receivedAnswer[0] != 0x0A) {   //  0x0a - ACK
     len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL);
 
     if (receivedAnswer[0] != 0x0A) {   //  0x0a - ACK
-        if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);
         return 1;
     }
         return 1;
     }
-\r
-    return 0;
+\r    return 0;
 }
 
 int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) 
 {
 }
 
 int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) 
 {
-       // variables
        uint16_t len;   \r
        uint16_t len;   \r
-       \r
-       // Mifare HALT\r
        uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
        uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
 \r
        len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
        if (len != 0) {\r
        uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
        uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
 \r
        len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
        if (len != 0) {\r
-               if (MF_DBGLEVEL >= 1)   Dbprintf("halt error. response len: %x", len);  \r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("halt error. response len: %x", len);  \r
                return 1;\r
        }\r
 \r
                return 1;\r
        }\r
 \r
@@ -443,17 +432,15 @@ int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid)
 int mifare_ultra_halt(uint32_t uid)
 {
        uint16_t len;
 int mifare_ultra_halt(uint32_t uid)
 {
        uint16_t len;
-       
-       // Mifare HALT
        uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
        uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
     
        len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);
        if (len != 0) {
        uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
        uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
     
        len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);
        if (len != 0) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("halt error. response len: %x", len);
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("halt error. response len: %x", len);
                return 1;
        }
                return 1;
        }
-    
        return 0;
 }
 
        return 0;
 }
 
@@ -481,19 +468,16 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo)
 // work with emulator memory
 void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {
        uint8_t* emCARD = get_bigbufptr_emlcardmem();
 // work with emulator memory
 void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {
        uint8_t* emCARD = get_bigbufptr_emlcardmem();
-       \r
        memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\r
 }\r
 \r
 void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
        uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
        memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\r
 }\r
 \r
 void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
        uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
-       \r
        memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r
 }\r
 \r
 void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r
        uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
        memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r
 }\r
 \r
 void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r
        uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
-       \r
        memcpy(data, emCARD + bytePtr, byteCount);\r
 }\r
 \r
        memcpy(data, emCARD + bytePtr, byteCount);\r
 }\r
 \r
@@ -522,7 +506,6 @@ int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {
        \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
        return 0;\r
 }\r
 \r
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