X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7c5f70dd9f8805967628f429f96fe1159a8bb827..aa60d1560ece20fe93fb22f9ee60c897e96f2b42:/armsrc/mifareutil.c

diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index 84f77a35..8fa5e498 100644
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -9,29 +9,18 @@
 // Work with mifare cards.
 //-----------------------------------------------------------------------------
 
-#include "../include/proxmark3.h"
+#include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "string.h"
 
-#include "../common/iso14443crc.h"
+#include "iso14443crc.h"
 #include "iso14443a.h"
 #include "crapto1.h"
 #include "mifareutil.h"
 
 int MF_DBGLEVEL = MF_DBG_ALL;
 
-// memory management
-uint8_t* get_bigbufptr_recvrespbuf(void) {
-	return (((uint8_t *)BigBuf) + RECV_RESP_OFFSET);
-}
-uint8_t* get_bigbufptr_recvcmdbuf(void) {
-	return (((uint8_t *)BigBuf) + RECV_CMD_OFFSET);	
-}
-uint8_t* get_bigbufptr_emlcardmem(void) {
-	return (((uint8_t *)BigBuf) + CARD_MEMORY_OFFSET);
-}
-
 // crypto1 helpers
 void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){
 	uint8_t	bt = 0;
@@ -76,26 +65,26 @@ uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {
 }
 
 // send commands
-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)
+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)
+{
+	return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, 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)
 {
-	return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, 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];
-	dcmd[0] = cmd;
+	uint8_t dcmd[8];
+    dcmd[0] = cmd;
     dcmd[1] = data[0];
-	dcmd[2] = data[1];
+	dcmd[2] = data[1];
 	dcmd[3] = data[2];
 	dcmd[4] = data[3];
 	dcmd[5] = data[4];
-	AppendCrc14443a(dcmd, 6);
-	ReaderTransmit(dcmd, sizeof(dcmd), NULL);
-	int len = ReaderReceive(answer, answer_parity);
-	if(!len) {
-        if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");
-        return 2;
+	AppendCrc14443a(dcmd, 6);
+	ReaderTransmit(dcmd, sizeof(dcmd), NULL);
+	int len = ReaderReceive(answer, answer_parity);
+	if(!len) {
+                if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");
+                return 2;
     }
 	return len;
 }
@@ -111,19 +100,19 @@ int mifare_sendcmd_short_mfucauth(struct Crypto1State *pcs, uint8_t crypted, uin
 	ReaderTransmit(dcmd, sizeof(dcmd), timing);
 	len = ReaderReceive(answer, answer_parity);
 	if(!len) {
-        if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");
+        if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("Authentication failed. Card timeout.");
         len = ReaderReceive(answer,answer_parity);
     }
     if(len==1)	{
-		if (MF_DBGLEVEL >= 1)   Dbprintf("NAK - Authentication failed.");
+		if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("NAK - Authentication failed.");
 		return 1;
-        }
-	return len;
-}
-
-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)
-{
-	uint8_t dcmd[4], ecmd[4];
+        }
+	return len;
+}
+
+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)
+{
+	uint8_t dcmd[4], ecmd[4];
 	uint16_t pos, res;
 	uint8_t par[1];			// 1 Byte parity is enough here
 	dcmd[0] = cmd;
@@ -149,7 +138,7 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm
 	int len = ReaderReceive(answer, par);
 	
 	if (answer_parity) *answer_parity = par[0];
-
+	
 	if (crypted == CRYPT_ALL) {
 		if (len == 1) {
 			res = 0;
@@ -169,13 +158,13 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm
 	return len;
 }
 
-// mifare commands
+// mifare classic commands
 int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) 
 {
 	return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);
 }
 
-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) 
+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) 
 {
 	// variables
 	int len;	
@@ -186,9 +175,9 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
 	uint32_t nt, ntpp; // Supplied tag nonce
 	
 	uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };
-	uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
-	uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
-
+	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
+	
 	// Transmit MIFARE_CLASSIC_AUTH
 	len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, receivedAnswerPar, timing);
 	if (MF_DBGLEVEL >= 4)	Dbprintf("rand tag nonce len: %x", len);  
@@ -273,8 +262,8 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
 	int len;	
 	uint8_t	bt[2];
 	
-	uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
-	uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
+	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
 	
 	// command MIFARE_CLASSIC_READBLOCK
 	len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);
@@ -295,103 +284,94 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
 	}
 	
 	memcpy(blockData, receivedAnswer, 16);
-	return 0;
+	return 0;
 }
 
-int mifare_ultra_auth1(uint32_t uid, uint8_t *blockData){
-	// variables
+// mifare ultralight commands
+int mifare_ultra_auth1(uint8_t *blockData){
+
 	uint16_t len;
+	uint8_t receivedAnswer[MAX_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
 	
-	uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
-	uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
-	
-	// command MIFARE_CLASSIC_READBLOCK
 	len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);
-	if (len == 1) {
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
+	if (len != 11) {
+		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
 		return 1;
 	}
-	if (len == 11) {
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
-		  receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],
-		  receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],
-		  receivedAnswer[10]);
-		memcpy(blockData, receivedAnswer, 11);
-	    return 0;
-	}
-	//else something went wrong???
-	return 1;
+
+	if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
+		Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+			receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],
+			receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],
+			receivedAnswer[10]);
+		}
+	memcpy(blockData, receivedAnswer, 11);
+	return 0;
 }
 
-int mifare_ultra_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){
-	// variables
+int mifare_ultra_auth2(uint8_t *key, uint8_t *blockData){
+
 	uint16_t len;
+	uint8_t receivedAnswer[MAX_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
 	
-	uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
-	uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
-	
-	// command MIFARE_CLASSIC_READBLOCK
 	len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, key, receivedAnswer, receivedAnswerPar, NULL);
+	if (len != 11) {
+		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
+		return 1;
+	}
+	
+	if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
+		Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+			receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],
+			receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],
+			receivedAnswer[10]);
+	}
+	memcpy(blockData, receivedAnswer, 11);
+	return 0;
+}
+
+int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)
+{
+	uint16_t len;
+	uint8_t	bt[2];
+	uint8_t receivedAnswer[MAX_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
+	
+	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) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
 		return 1;
 	}
-	if (len == 11){
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
-		  receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],
-		  receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],
-		  receivedAnswer[10]);
-		memcpy(blockData, receivedAnswer, 11);
-		return 0;
+	if (len != 18) {
+		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len);
+		return 2;
 	}
-	//something went wrong?
-	return 1;
-}
-
-int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
-{
-	// variables
-	uint16_t len;
-	uint8_t	bt[2];
-	
-	uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
-	uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
-	
-	
-	// 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]);
-		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
+    
+	memcpy(bt, receivedAnswer + 16, 2);
+	AppendCrc14443a(receivedAnswer, 16);
+	if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {
+		if (MF_DBGLEVEL >= MF_DBG_ERROR) 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
 	uint16_t len, i;	
 	uint32_t pos;
 	uint8_t par[3] = {0};		// enough for 18 Bytes to send
 	byte_t res;
 	
 	uint8_t d_block[18], d_block_enc[18];
-	uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
-	uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
+	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
 	
 	// command MIFARE_CLASSIC_WRITEBLOCK
 	len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);
@@ -425,96 +405,94 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
 		return 2;
 	}
 	
-	return 0;
-}
-
-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();
-	uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
-	
-	// 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]);  
-			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);
-		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();
-	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);
-
-	//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);
-		return 1;
-	}
-	return 0;
-}
-
-int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) 
-{
+	return 0;
+}
+
+int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) 
+{
+    uint16_t len;     
+    uint8_t par[3] = {0};  // enough for 18 parity bits
+	uint8_t d_block[18] = {0x00};
+	uint8_t receivedAnswer[MAX_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
+        
+    // 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 >= MF_DBG_ERROR)
+			Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);  
+        return 1;
+    }
+
+	memcpy(d_block, blockData, 16);
+    AppendCrc14443a(d_block, 16);
+
+	ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);
+
+    len = ReaderReceive(receivedAnswer, receivedAnswerPar);    
+
+	if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK
+		if (MF_DBGLEVEL >= MF_DBG_ERROR)
+			Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);
+        return 2;
+    }        
+    return 0;
+} 
+
+int mifare_ultra_special_writeblock(uint8_t blockNo, uint8_t *blockData)
+{
+    uint16_t len;
+	uint8_t d_block[8] = {0x00};
+	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
+
+    // command MIFARE_CLASSIC_WRITEBLOCK
+	d_block[0]= blockNo;
+	memcpy(d_block+1,blockData,4);
+	AppendCrc14443a(d_block, 6);
+
+    len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL);
+
+    if (receivedAnswer[0] != 0x0A) {   //  0x0a - ACK
+		if (MF_DBGLEVEL >= MF_DBG_ERROR)
+			Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);
+        return 1;
+    }
+    return 0;
+}
+
+int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) 
+{
 	uint16_t len;	
-	uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
-	uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
+	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
 
 	len = mifare_sendcmd_short(pcs, pcs == NULL ? false: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)
+			Dbprintf("halt error. response len: %x", len);  
 		return 1;
 	}
 
-	return 0;
-}
-
-int mifare_ultra_halt(uint32_t uid)
-{
-	uint16_t len;	
-	uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
-	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);
-		return 1;
-	}
-    
-	return 0;
-}
-
+	return 0;
+}
+
+int mifare_ultra_halt()
+{
+	uint16_t len;
+	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
+    
+	len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);
+	if (len != 0) {
+		if (MF_DBGLEVEL >= MF_DBG_ERROR)
+			Dbprintf("halt error. response len: %x", len);
+		return 1;
+	}
+	return 0;
+}
+
 
 // Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),
 // plus evtl. 8 sectors with 16 blocks each (4k cards)
@@ -536,24 +514,24 @@ 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 = BigBuf_get_EM_addr();
 	memcpy(emCARD + blockNum * 16, data, blocksCount * 16);
 }
 
 void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {
-	uint8_t* emCARD = get_bigbufptr_emlcardmem();
+	uint8_t* emCARD = BigBuf_get_EM_addr();
 	memcpy(data, emCARD + blockNum * 16, blocksCount * 16);
 }
 
 void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {
-	uint8_t* emCARD = get_bigbufptr_emlcardmem();
+	uint8_t* emCARD = BigBuf_get_EM_addr();
 	memcpy(data, emCARD + bytePtr, byteCount);
 }
 
 int emlCheckValBl(int blockNum) {
-	uint8_t* emCARD = get_bigbufptr_emlcardmem();
+	uint8_t* emCARD = BigBuf_get_EM_addr();
 	uint8_t* data = emCARD + blockNum * 16;
 
 	if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||
@@ -568,7 +546,7 @@ int emlCheckValBl(int blockNum) {
 }
 
 int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {
-	uint8_t* emCARD = get_bigbufptr_emlcardmem();
+	uint8_t* emCARD = BigBuf_get_EM_addr();
 	uint8_t* data = emCARD + blockNum * 16;
 	
 	if (emlCheckValBl(blockNum)) {
@@ -576,12 +554,12 @@ int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {
 	}
 	
 	memcpy(blReg, data, 4);
-	*blBlock = data[12];	
+	*blBlock = data[12];
 	return 0;
 }
 
 int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {
-	uint8_t* emCARD = get_bigbufptr_emlcardmem();
+	uint8_t* emCARD = BigBuf_get_EM_addr();
 	uint8_t* data = emCARD + blockNum * 16;
 	
 	memcpy(data + 0, &blReg, 4);
@@ -599,7 +577,7 @@ int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {
 
 uint64_t emlGetKey(int sectorNum, int keyType) {
 	uint8_t key[6];
-	uint8_t* emCARD = get_bigbufptr_emlcardmem();
+	uint8_t* emCARD = BigBuf_get_EM_addr();
 	
 	memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);
 	return bytes_to_num(key, 6);
@@ -610,7 +588,7 @@ void emlClearMem(void) {
 	
 	const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 	const uint8_t uid[]   =   {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};
-	uint8_t* emCARD = get_bigbufptr_emlcardmem();
+	uint8_t* emCARD = BigBuf_get_EM_addr();
 	
 	memset(emCARD, 0, CARD_MEMORY_SIZE);
 	
@@ -624,9 +602,8 @@ void emlClearMem(void) {
 	return;
 }
 
-//
-//DESFIRE
-//
+
+// Mifare desfire commands
 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)
 {
     uint8_t dcmd[5] = {0x00};
@@ -637,8 +614,9 @@ int mifare_sendcmd_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm
 	ReaderTransmit(dcmd, sizeof(dcmd), NULL);
 	int len = ReaderReceive(answer, answer_parity);
 	if(!len) {
-		if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");
-			return 2;
+		if (MF_DBGLEVEL >= MF_DBG_ERROR) 
+			Dbprintf("Authentication failed. Card timeout.");
+		return 1;
     }
 	return len;
 }
@@ -653,61 +631,68 @@ int mifare_sendcmd_special2(struct Crypto1State *pcs, uint8_t crypted, uint8_t c
 	ReaderTransmit(dcmd, sizeof(dcmd), NULL);
 	int len = ReaderReceive(answer, answer_parity);
 	if(!len){
-        if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");
-			return 2;
+        if (MF_DBGLEVEL >= MF_DBG_ERROR)
+			Dbprintf("Authentication failed. Card timeout.");
+		return 1;
     }
 	return len;
 }
 
 int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){
-	// variables
+
 	int len;
-	//           load key, keynumber
+	// load key, keynumber
 	uint8_t data[2]={0x0a, 0x00};
-	uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
-	uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
+	uint8_t receivedAnswer[MAX_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
 	
-	// command MIFARE_CLASSIC_READBLOCK
 	len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);
 	if (len == 1) {
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
+		if (MF_DBGLEVEL >= MF_DBG_ERROR)
+			Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
 		return 1;
 	}
 	
 	if (len == 12) {
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
-		  receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],
-		  receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],
-		  receivedAnswer[10],receivedAnswer[11]);
-		memcpy(blockData, receivedAnswer, 12);
+		if (MF_DBGLEVEL >= MF_DBG_EXTENDED)	{
+			Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+				receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],
+				receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],
+				receivedAnswer[10],receivedAnswer[11]);
+			}
+			memcpy(blockData, receivedAnswer, 12);
 	        return 0;
 	}
 	return 1;
 }
 
 int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){
-	// variables
+
 	int len;
-	uint8_t data[17]={0xaf,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+	uint8_t data[17] = {0x00};
+	data[0] = 0xAF;
 	memcpy(data+1,key,16);
 	
-	uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
-	uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
+	uint8_t receivedAnswer[MAX_FRAME_SIZE];
+	uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
 	
-	// command MIFARE_CLASSIC_READBLOCK
 	len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);
 	
-	if ((receivedAnswer[0] == 0x03)&&(receivedAnswer[1] == 0xae)) {
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);
+	if ((receivedAnswer[0] == 0x03) && (receivedAnswer[1] == 0xae)) {
+		if (MF_DBGLEVEL >= MF_DBG_ERROR)
+			Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);
 		return 1;
 	}
+	
 	if (len == 12){
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
-		  receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],
-		  receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],
-		  receivedAnswer[10],receivedAnswer[11]);
+		if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
+			Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+				receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],
+				receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],
+				receivedAnswer[10],receivedAnswer[11]);
+			}
 		memcpy(blockData, receivedAnswer, 12);
 		return 0;
 	}
 	return 1;
-}
\ No newline at end of file
+}