Merge pull request #53 from iceman1001/feature
[proxmark3-svn] / armsrc / mifareutil.c
index 5122d0ec1710eec74fee30aaa58161da2a9a6273..f79c2ede2d78676ddc6aef7b373129e3198a23ca 100644 (file)
 \r
 int MF_DBGLEVEL = MF_DBG_ALL;\r
 \r
-// memory management\r
-uint8_t* get_bigbufptr_recvrespbuf(void) {\r
-       return (((uint8_t *)BigBuf) + RECV_RESP_OFFSET);        \r
-}\r
-uint8_t* get_bigbufptr_recvcmdbuf(void) {\r
-       return (((uint8_t *)BigBuf) + RECV_CMD_OFFSET); \r
-}\r
-uint8_t* get_bigbufptr_emlcardmem(void) {\r
-       return (((uint8_t *)BigBuf) + CARD_MEMORY_OFFSET);\r
-}\r
-\r
 // crypto1 helpers\r
 void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
        uint8_t bt = 0;\r
@@ -54,10 +43,12 @@ 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
+       \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
@@ -81,9 +72,7 @@ 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)
 {
-    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];
@@ -91,16 +80,32 @@ int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint
        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)
-       {
+       if(!len) {
                 if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");
                 return 2;
+    }\r
+       return len;\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
         }
        return len;
 }
@@ -153,7 +158,7 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm
        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
@@ -165,13 +170,13 @@ 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
-       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
        uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r
-       uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
-       uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
        \r
        // Transmit MIFARE_CLASSIC_AUTH\r
        len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, receivedAnswerPar, timing);\r
@@ -210,7 +215,6 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        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
@@ -258,8 +262,8 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
        int len;        \r
        uint8_t bt[2];\r
        \r
-       uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
-       uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
        \r
        // command MIFARE_CLASSIC_READBLOCK\r
        len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
@@ -283,30 +287,83 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
        return 0;
 }
 
+// mifare ultralight commands\r
+int mifare_ultra_auth1(uint32_t uid, uint8_t *blockData){\r
+\r
+       uint16_t len;\r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+       \r
+       len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, 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
+       if (len != 11)\r
+               return 1;\r
+\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]);\r
+               }\r
+       memcpy(blockData, receivedAnswer, 11);\r
+       return 0;\r
+}\r
+\r
+int mifare_ultra_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r
+\r
+       uint16_t len;\r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+       \r
+       len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, key, 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
+       if (len != 11)\r
+               return 1;       \r
+       \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]);\r
+       }\r
+       memcpy(blockData, receivedAnswer, 11);\r
+       return 0;\r
+}\r
+\r
 int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
 {
-       // variables
        uint16_t len;
        uint8_t bt[2];
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
        
-       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) {
-               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) {
-               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]) {
-               if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd CRC response error.");
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Cmd CRC response error.");
                return 3;
        }
        
@@ -318,14 +375,14 @@ 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 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
        \r
        uint8_t d_block[18], d_block_enc[18];\r
-       uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
-       uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
        \r
        // command MIFARE_CLASSIC_WRITEBLOCK\r
        len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
@@ -364,76 +421,68 @@ 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) 
 {
-    // variables
     uint16_t len;     
     uint8_t par[3] = {0};  // enough for 18 parity bits
-        
-    uint8_t d_block[18];
-    uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
-       uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
+       uint8_t d_block[18] = {0x00};
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
         
     // command MIFARE_CLASSIC_WRITEBLOCK
     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;
     }
 
-       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, 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 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 *receivedAnswer = get_bigbufptr_recvrespbuf();\r
-       uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
+       uint8_t d_block[8] = {0x00};
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
 
     // 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, 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;
     }
-\r
-    return 0;
+\r    return 0;
 }
 
 int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) 
 {
-       // variables
        uint16_t len;   \r
-       \r
-       // Mifare HALT\r
-       uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
-       uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_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
@@ -443,17 +492,15 @@ int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid)
 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;
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
     
        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 0;
 }
 
@@ -480,25 +527,22 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo)
 \r
 // work with emulator memory
 void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {
-       uint8_t* emCARD = get_bigbufptr_emlcardmem();
-       \r
+       uint8_t* emCARD = BigBuf_get_EM_addr();
        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
+       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
-       uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
-       \r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r
        memcpy(data, emCARD + bytePtr, byteCount);\r
 }\r
 \r
 int emlCheckValBl(int blockNum) {\r
-       uint8_t* emCARD = get_bigbufptr_emlcardmem();\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
@@ -513,7 +557,7 @@ int emlCheckValBl(int blockNum) {
 }\r
 \r
 int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r
-       uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r
        uint8_t* data = emCARD + blockNum * 16;\r
        \r
        if (emlCheckValBl(blockNum)) {\r
@@ -522,12 +566,11 @@ int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {
        \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
-       uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r
        uint8_t* data = emCARD + blockNum * 16;\r
        \r
        memcpy(data + 0, &blReg, 4);\r
@@ -545,7 +588,7 @@ int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {
 \r
 uint64_t emlGetKey(int sectorNum, int keyType) {\r
        uint8_t key[6];\r
-       uint8_t* emCARD = get_bigbufptr_emlcardmem();\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
@@ -556,7 +599,7 @@ 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
-       uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
+       uint8_t* emCARD = BigBuf_get_EM_addr();\r
        \r
        memset(emCARD, 0, CARD_MEMORY_SIZE);\r
        \r
@@ -569,3 +612,98 @@ void emlClearMem(void) {
        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] = {0x00};\r
+    dcmd[0] = cmd;\r
+    memcpy(dcmd+1,data,2);\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_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\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_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\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
+}
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