X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/8297860e256cd7d42cf0672ae40b7a391678e593..aebe77905baf1f22cdf83e6abf2135a1b6e4d46c:/client/cmdhfmfu.c

diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c
index 87062f09..efdbec10 100644
--- a/client/cmdhfmfu.c
+++ b/client/cmdhfmfu.c
@@ -21,23 +21,22 @@
 #define MAX_ULEV1b_BLOCKS	0x20
 #define MAX_NTAG_213		0x2c
 #define MAX_NTAG_215		0x86
-#define MAX_NTAG_216		0xE6
+#define MAX_NTAG_216      0xe6
 
 typedef enum TAGTYPE_UL {
-	UNKNOWN		= 0,
-	UL			= 1,
-	UL_C 		= 2,
-	UL_EV1_48 	= 4,
-	UL_EV1_128 	= 8,
-	NTAG		= 16,
-	NTAG_213	= 32,
-	NTAG_215	= 64,
-	NTAG_216	= 128,
-	MAGIC		= 256,
+	UNKNOWN     = 0x0000,
+	UL          = 0x0001,
+	UL_C        = 0x0002,
+	UL_EV1_48   = 0x0004,
+	UL_EV1_128  = 0x0008,
+	NTAG        = 0x0010,
+	NTAG_213    = 0x0020,
+	NTAG_215    = 0x0040,
+	NTAG_216    = 0x0080,
+	MAGIC       = 0x0100,
 	UL_MAGIC	= UL | MAGIC,
 	UL_C_MAGIC	= UL_C | MAGIC,
 	UL_ERROR	= 0xFFFF,
-	
 } TagTypeUL_t;
 
 uint8_t default_3des_keys[7][16] = {
@@ -49,6 +48,11 @@ uint8_t default_3des_keys[7][16] = {
 		{ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
 		{ 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF }	// 11 22 33
 	};
+
+uint8_t default_pwd_pack[2][4] = {
+	{0xFF,0xFF,0xFF,0xFF}, // PACK 0x00,0x00 -- factory default
+	{0x4A,0xF8,0x4B,0x19} // PACK 0xE5 0xBE -- italian bus (sniffed.)
+};	
 	
 static int CmdHelp(const char *Cmd);
 
@@ -86,9 +90,9 @@ char* getUlev1CardSizeStr( uint8_t fsize ){
 	
 	// is  LSB set?
 	if (  fsize & 1 )
-		sprintf(retStr, "0x%02X (%d - %d bytes)",fsize, usize, lsize);
+		sprintf(retStr, "0x%02X (%u - %u bytes)",fsize, usize, lsize);
 	else 
-		sprintf(retStr, "0x%02X (%d bytes)", fsize, lsize);		
+		sprintf(retStr, "0x%02X (%u bytes)", fsize, lsize);		
 	return buf;
 }
 
@@ -107,15 +111,14 @@ static int ul_send_cmd_raw( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uin
 	memcpy(c.d.asBytes, cmd, cmdlen);
 	SendCommand(&c);
 	UsbCommand resp;
-	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
-
-	uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
-	if (resp.arg[0] > 0) 
-		memcpy(response, resp.d.asBytes, resplen);
-
+	if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
+	if ( !resp.arg[0] && responseLength) return -1;
+	
+	uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;	
+	memcpy(response, resp.d.asBytes, resplen);
 	return resplen;
 }
-
+/*
 static int ul_send_cmd_raw_crc( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength, bool append_crc ) {
 	
 	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT , cmdlen, 0}};
@@ -128,25 +131,22 @@ static int ul_send_cmd_raw_crc( uint8_t *cmd, uint8_t cmdlen, uint8_t *response,
 	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
 
 	uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
-	if (resp.arg[0] > 0)
+	if (resp.arg[0] > 0) {
 		memcpy(response, resp.d.asBytes, resplen );
-
 	return resplen;
+	} else return -1;
 }
-
+*/
 static int ul_select( iso14a_card_select_t *card ){
 	
 	ul_switch_on_field();
 
 	UsbCommand resp;
-	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
-		ul_switch_off_field();
-		return -1;
-	}
+	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
+	if (resp.arg[0] < 0) return -1;
+	
+	memcpy(card, resp.d.asBytes, sizeof(iso14a_card_select_t));
 	
-	if (resp.arg[0] > 0) {
-		memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
-	}
 	return resp.arg[0];
 }
 
@@ -160,6 +160,21 @@ static int ul_read( uint8_t page, uint8_t *response, uint16_t responseLength ){
 	return len;
 }
 
+static int ul_write( uint8_t page, uint8_t *data, uint8_t datalen ){
+	uint8_t cmd[] = {MIFARE_ULC_WRITE, page, 0,0,0,0};
+	memcpy(cmd+2, data, datalen);
+	uint8_t response[1] = {0xff};
+	int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, sizeof(response));
+	if ( len == -1 )
+		ul_switch_off_field();
+	
+	PrintAndLog("RESP: %02x", response[0]);
+	// ACK
+	if ( response[0] == 0x0a ) return 0;
+	// NACK
+	return -1;	
+}
+
 static int ulc_requestAuthentication( uint8_t blockNo, uint8_t *nonce, uint16_t nonceLength ){
 	
 	uint8_t cmd[] = {MIFARE_ULC_AUTH_1, blockNo};
@@ -207,7 +222,52 @@ static int ulev1_readCounter( uint8_t counter, uint8_t *response, uint16_t respo
 	return len;
 }
 
-static int ul_print_CC(uint8_t *data) {
+static int ulev1_readSignature( uint8_t *response, uint16_t responseLength ){
+
+	uint8_t cmd[] = {MIFARE_ULEV1_READSIG, 0x00};
+	int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
+	if (len == -1)
+		ul_switch_off_field();
+	return len;
+}
+
+static int ul_print_default( uint8_t *data){
+	
+	uint8_t uid[7];
+
+	uid[0] = data[0];
+	uid[1] = data[1];
+	uid[2] = data[2];
+	uid[3] = data[4];
+	uid[4] = data[5];
+	uid[5] = data[6];
+	uid[6] = data[7];
+
+	PrintAndLog("       UID : %s ", sprint_hex(uid, 7));
+	PrintAndLog("    UID[0] : (Manufacturer Byte) = %02x, Manufacturer: %s",  uid[0], getTagInfo(uid[0]) );
+	
+	// BBC
+	// CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2 
+	int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
+	if ( data[3] == crc0 )
+		PrintAndLog("      BCC0 : 0x%02X - Ok", data[3]);
+	else
+		PrintAndLog("      BCC0 : 0x%02X - crc should be %02x", data[3], crc0);
+		
+	int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
+	if ( data[8] == crc1 )
+		PrintAndLog("      BCC1 : 0x%02X - Ok", data[8]);
+	else
+		PrintAndLog("      BCC1 : 0x%02X - crc should be 0x%02X", data[8], crc1 );
+	
+	PrintAndLog("  Internal : 0x%02X - %s default", data[9], (data[9]==0x48)?"":"not" );
+	PrintAndLog("      Lock : %s - %s", sprint_hex(data+10, 2),printBits( 2, data+10) );
+	PrintAndLog("OneTimePad : %s ", sprint_hex(data + 12, 4));
+	PrintAndLog("");
+	return 0;
+}
+
+static int ntag_print_CC(uint8_t *data) {
 	if(data[0] != 0xe1) {
 		PrintAndLog("no NDEF message");
 		return -1;		// no NDEF message
@@ -216,15 +276,23 @@ static int ul_print_CC(uint8_t *data) {
 	PrintAndLog("Capability Container: %s", sprint_hex(data,4) );
 	PrintAndLog("  %02X: NDEF Magic Number", data[0]); 
 	PrintAndLog("  %02X: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
-	PrintAndLog("  %02X: Physical Memory Size of this tag: %d bytes", data[2], (data[2] + 1) * 8);
+	PrintAndLog("  %02X: Physical Memory Size: %d bytes", data[2], (data[2] + 1) * 8);
+	if ( data[2] == 0x12 )
+		PrintAndLog("  %02X: NDEF Memory Size: &d bytes", data[2], 144);
+	else if ( data[2] == 0x3e )
+		PrintAndLog("  %02X: NDEF Memory Size: &d bytes", data[2], 496);
+	else if ( data[2] == 0x6d )
+		PrintAndLog("  %02X: NDEF Memory Size: &d bytes", data[2], 872);
+	
 	PrintAndLog("  %02X: %s / %s", data[3], 
 				(data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security", 
 				(data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
 	return 0;				
 }
 
-static int ul_print_version(uint8_t *data){	
-	PrintAndLog("Raw version bytes: %s", sprint_hex(data, 8) );
+static int ulev1_print_version(uint8_t *data){		
+	PrintAndLog("\n--- UL-EV1 / NTAG Version");
+	PrintAndLog("       Raw bytes : %s", sprint_hex(data, 8) );
 	PrintAndLog("       Vendor ID : 0x%02X, Manufacturer: %s", data[1], getTagInfo(data[1]));
 	PrintAndLog("    Product type : %s"		, getProductTypeStr(data[2]));
 	PrintAndLog(" Product subtype : 0x%02X %s"	, data[3], (data[3]==1) ?"17 pF":"50pF");
@@ -239,11 +307,11 @@ static int ul_print_type(uint16_t tagtype){
 	if ( tagtype & UL )	
 		PrintAndLog("      TYPE : MIFARE Ultralight (MF0ICU1) %s", (tagtype & MAGIC)?"<magic>":"");
 	else if ( tagtype & UL_C)
-		PrintAndLog("      TYPE : MIFARE Ultralight C (MF0ULC) %s", (tagtype & MAGIC)?"<magic>":"" );
+		PrintAndLog("      TYPE : MIFARE Ultralight C (MF0ULC) %s [%x]", (tagtype & MAGIC)?"<magic>":"", tagtype );
 	else if ( tagtype & UL_EV1_48)
 		PrintAndLog("      TYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)"); 
 	else if ( tagtype & UL_EV1_128)	
-		PrintAndLog("      TYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101");
+		PrintAndLog("      TYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101)");
 	else if ( tagtype & NTAG_213 )
 		PrintAndLog("      TYPE : MIFARE NTAG 213 144bytes (NT2H1311G0DU)");
 	else if ( tagtype & NTAG_215 )
@@ -255,34 +323,159 @@ static int ul_print_type(uint16_t tagtype){
 	return 0;
 }
 
+static int ulc_print_3deskey( uint8_t *data){			
+	PrintAndLog("         deskey1 [44/0x2C]: %s", sprint_hex(data   ,4));
+	PrintAndLog("         deskey1 [45/0x2D]: %s", sprint_hex(data+4 ,4));			
+	PrintAndLog("         deskey2 [46/0x2E]: %s", sprint_hex(data+8 ,4));
+	PrintAndLog("         deskey2 [47/0x2F]: %s", sprint_hex(data+12,4));
+	PrintAndLog(" 3des key : %s", sprint_hex(SwapEndian64(data, 16), 16));
+	return 0;
+}
+
+static int ulc_print_configuration( uint8_t *data){
+		
+	PrintAndLog("--- UL-C Configuration");
+	PrintAndLog(" Higher Lockbits [40/0x28]: %s %s", sprint_hex(data, 4), printBits(2, data));
+	PrintAndLog("         Counter [41/0x29]: %s %s", sprint_hex(data+4, 4), printBits(2, data+4));
+
+	bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
+	if ( validAuth )
+		PrintAndLog("           Auth0 [42/0x2A]: %s - Pages above %d needs authentication", sprint_hex(data+8, 4), data[8] );
+	else{
+		if ( data[8] == 0){
+			PrintAndLog("           Auth0 [42/0x2A]: %s - default", sprint_hex(data+8, 4) );
+		} else {
+			PrintAndLog("           Auth0 [42/0x2A]: %s - auth byte is out-of-range", sprint_hex(data+8, 4) );
+		}
+	}
+	PrintAndLog("           Auth1 [43/0x2B]: %s - %s",
+			sprint_hex(data+12, 4),
+			(data[12] & 1) ? "write access restricted": "read and write access restricted"
+			);
+	return 0;
+}
+
+static int ulev1_print_configuration( uint8_t *data){
+
+	PrintAndLog("\n--- UL-EV1 Configuration");	
+
+	bool strg_mod_en = (data[0] & 2);
+	uint8_t authlim = (data[4] & 0x07);
+	bool cfglck = (data[4] & 0x40);
+	bool prot = (data[4] & 0x80);
+	uint8_t vctid = data[5];
+	
+	PrintAndLog(" cfg0 [16/0x10]: %s", sprint_hex(data, 4));
+	PrintAndLog("                    - pages above %d needs authentication",data[3]);
+	PrintAndLog("                    - strong modulation mode %s", (strg_mod_en) ? "enabled":"disabled");
+	PrintAndLog(" cfg1 [17/0x11]: %s", sprint_hex(data+4, 4) );
+	if ( authlim == 0)
+		PrintAndLog("                    - Max number of password attempts is unlimited");
+	else
+		PrintAndLog("                    - Max number of password attempts is %d", authlim);
+	PrintAndLog("                    - user configuration %s", cfglck ? "permanently locked":"writeable");
+	PrintAndLog("                    - %s access is protected with password", prot ? "read and write":"write");
+	PrintAndLog("               0x%02X - Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
+	PrintAndLog(" PWD  [18/0x12]: %s", sprint_hex(data+8, 4));
+	PrintAndLog(" PACK [19/0x13]: %s", sprint_hex(data+12, 4));
+	return 0;
+}
+
+static int ulev1_print_counters(){
+	PrintAndLog("--- UL-EV1 Counters");
+	uint8_t counter[3] = {0,0,0};
+	for ( uint8_t i = 0; i<3; ++i) {
+		ulev1_readCounter(i,counter, sizeof(counter) );
+		PrintAndLog("     [0x%0d] : %s", i, sprint_hex(counter,3));
+	}
+	return 0;
+}
+
+static int ulev1_print_signature( uint8_t *data, uint8_t len){
+	PrintAndLog("\n--- UL-EV1 Signature");	
+	PrintAndLog("IC signature public key name  : NXP NTAG21x 2013");
+	PrintAndLog("IC signature public key value : 04494e1a386d3d3cfe3dc10e5de68a499b1c202db5b132393e89ed19fe5be8bc61");
+	PrintAndLog("    Elliptic curve parameters : secp128r1");
+	PrintAndLog("            Tag ECC Signature : %s", sprint_hex(data, len));
+	//to do:  verify if signature is valid
+	//PrintAndLog("IC signature status: %s valid", (iseccvalid() )?"":"not");
+	return 0;
+}
+
+static int ulc_magic_test(){
+	// Magic Ultralight test
+		// Magic UL-C, by observation,
+	// 1) it seems to have a static nonce response to 0x1A command.
+	// 2) the deskey bytes is not-zero:d out on as datasheet states.
+	// 3) UID - changeable, not only, but pages 0-1-2-3.
+	int returnValue = UL_ERROR;
+	iso14a_card_select_t card;
+	uint8_t nonce1[11] = {0x00};
+	uint8_t nonce2[11] = {0x00};
+	int status = ul_select(&card);
+	if ( status < 1 ){
+		PrintAndLog("Error: couldn't select ulc_magic_test");
+		ul_switch_off_field();
+		return UL_ERROR;
+	}
+	status = ulc_requestAuthentication(0, nonce1, sizeof(nonce1));
+	if ( status > 0 ) {
+		status = ulc_requestAuthentication(0, nonce2, sizeof(nonce2));
+		returnValue =  ( !memcmp(nonce1, nonce2, 11) ) ? UL_C_MAGIC : UL_C;
+	} else {
+		returnValue = UL;
+	}	
+	ul_switch_off_field();
+	return returnValue;
+}
+
+static int ul_magic_test(){
+	
+	// Magic Ultralight test
+	// It takes present UID, and tries to write it back.
+	iso14a_card_select_t card;
+	int status = ul_select(&card);
+	if ( status < 1 ){
+		PrintAndLog("Error: couldn't select ul_magic_test");
+		ul_switch_off_field();
+		return UL_ERROR;
+	}
+	uint8_t page0 = 0;
+	uint8_t data[4] = {card.uid[0], card.uid[1], card.uid[2], 0};
+	data[3] = 0x88 ^ card.uid[0] ^ card.uid[1] ^  card.uid[2];
+
+	status = ul_write( page0, data, sizeof(data));
+	ul_switch_off_field();
+	if ( status == 0) 
+		return UL_MAGIC;
+	return UL;
+}
+
 uint16_t GetHF14AMfU_Type(void){
 
 	TagTypeUL_t tagtype = UNKNOWN;
 	iso14a_card_select_t card;
 	uint8_t version[10] = {0x00};
-	uint8_t nonce1[11] = {0x00};
-	uint8_t nonce2[11] = {0x00};
 	int status = 0;
 	int len;
 
 	status = ul_select(&card);
 	if ( status < 1 ){
 		PrintAndLog("Error: couldn't select");
+		ul_switch_off_field();
 		return UL_ERROR;
 	}
-
 	// Ultralight - ATQA / SAK 
-	if ( card.atqa[1] != 0x00 && card.atqa[0] != 0x44 && card.sak != 0x00 ) {
+	if ( card.atqa[1] != 0x00 || card.atqa[0] != 0x44 || card.sak != 0x00 ) {
+		PrintAndLog("Tag is not UL or NTAG. [ATQA: %02X %02x SAK: %02X]", card.atqa[1],card.atqa[0],card.sak);
 		ul_switch_off_field();
 		return UL_ERROR;
 	}
 	
 	len  = ulev1_getVersion(version, sizeof(version));
+	ul_switch_off_field();
 	
 	switch (len) {
-		case -1:
-			tagtype = (UL | UL_C);
-			break;
 		case 0x0A: {
 		
 			if ( version[2] == 0x03 && version[6] == 0x0B ) 
@@ -300,62 +493,31 @@ uint16_t GetHF14AMfU_Type(void){
 			
 			break;
 			}
-		case 0x01:{
-			tagtype = UL_C; 
-			break;
-		}
-		case 0x00: {
-			tagtype = UL;
-			break;
-		}
-		default :{
-			tagtype = UNKNOWN;
-			break;
-		}
+		case 0x01: tagtype = UL_C; break;
+		case 0x00: tagtype = UL; break;
+		case -1:   tagtype = (UL | UL_C); break;
+		default:   tagtype = UNKNOWN; break;
 	}
 
-	if ((tagtype & ( UL_C | UL ))) {
-		// Magic UL-C, by observation,
-		// it seems to have a static nonce response to 0x1A command.
-		status = ul_select(&card);
-		status = ulc_requestAuthentication(0, nonce1, sizeof(nonce1));
-		if ( status > 0 ) {
+	if ((tagtype & ( UL_C | UL ))) tagtype = ulc_magic_test();
+	if ( (tagtype & UL) ) tagtype = ul_magic_test();
 
-			status = ulc_requestAuthentication(0, nonce2, sizeof(nonce2));
-			
-			tagtype =( !memcmp(nonce1, nonce2, 11) ) ? UL_C_MAGIC : UL_C;
-				
-		} else {
-			tagtype = UL;
-		}
-	}
-
-	//PrintAndLog("ICE %d", tagtype);
-	//Magic Ultralight test here.  It takes present UID, and tries to write it back.
-	if ( (tagtype & UL) ){
-		// read 3des key or PWD,  
-		// if response bytes == all zeros its a NORMAL tag.
-		//return UL_MAGIC;
-	}
-
-	ul_switch_off_field();
 	return tagtype;
 }	
 
 int CmdHF14AMfUInfo(const char *Cmd){
 
-	uint8_t datatemp[7] = {0x00};
+	uint8_t authlim = 0xff;
 	uint8_t data[16] = {0x00};
 	iso14a_card_select_t card;
 	uint8_t *key;
 	int status;	
 
-	PrintAndLog("\n--- Tag Information ---------");
-	PrintAndLog("-------------------------------------------------------------");
-	
 	TagTypeUL_t tagtype = GetHF14AMfU_Type();
 	if (tagtype == UL_ERROR) return -1;
-	
+
+	PrintAndLog("\n--- Tag Information ---------");
+	PrintAndLog("-------------------------------------------------------------");
 	ul_print_type(tagtype);
 	
 	status = ul_select(&card);
@@ -368,86 +530,42 @@ int CmdHF14AMfUInfo(const char *Cmd){
 	// read pages 0,1,2,4 (should read 4pages)
 	status = ul_read(0, data, sizeof(data));
 	if ( status == -1 ){
-		PrintAndLog("Error: tag didn't answer to READ");
+		PrintAndLog("Error: tag didn't answer to READ A");
 		ul_switch_off_field();
 		return status;
 	}
 	
-	// UID
-	memcpy( datatemp, data, 3);
-	memcpy( datatemp+3, data+4, 4);
-	
-	PrintAndLog("       UID : %s ", sprint_hex(datatemp, 7));
-	PrintAndLog("    UID[0] : (Manufacturer Byte) = %02x, Manufacturer: %s",  datatemp[0], getTagInfo(datatemp[0]) );
-	
-	// BBC
-	// CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2 
-	int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
-	if ( data[3] == crc0 )
-		PrintAndLog("      BCC0 : 0x%02X - Ok", data[3]);
-	else
-		PrintAndLog("      BCC0 : 0x%02X - crc should be %02x", data[3], crc0);
-		
-	int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
-	if ( data[8] == crc1 )
-		PrintAndLog("      BCC1 : 0x%02X - Ok", data[8]);
-	else
-		PrintAndLog("      BCC1 : 0x%02X - crc should be 0x%02X", data[8], crc1 );
-	
-	PrintAndLog("  Internal : 0x%02X - %s", data[9], (data[9]==0x48)?"default":"not default" );
-	
-	memcpy(datatemp, data+10, 2);
-	PrintAndLog("      Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) );
-	PrintAndLog("OneTimePad : %s ", sprint_hex(data + 3*4, 4));
-	PrintAndLog("");
-	
+	ul_print_default(data);
+
 	if ((tagtype & UL_C)){
 	
+		// lookup lockbits before?
 		// read pages 0x28, 0x29, 0x2A, 0x2B
+		// tag may be locked
 		uint8_t ulc_conf[16] = {0x00};
 		status = ul_read(0x28, ulc_conf, sizeof(ulc_conf));
 		if ( status == -1 ){
-			PrintAndLog("Error: tag didn't answer to READ");
-			ul_switch_off_field();
-			return status;
-		}
-	
-		PrintAndLog("--- UL-C Configuration");
-		PrintAndLog(" Higher Lockbits [40/0x28]: %s %s", sprint_hex(ulc_conf, 4), printBits(2, ulc_conf));
-		PrintAndLog("         Counter [41/0x29]: %s %s", sprint_hex(ulc_conf+4, 4), printBits(2, ulc_conf+4));
-
-		bool validAuth = (ulc_conf[8] >= 0x03 && ulc_conf[8] <= 0x30);
-		if ( validAuth )
-			PrintAndLog("           Auth0 [42/0x2A]: %s - Pages above %d needs authentication", sprint_hex(ulc_conf+8, 4), ulc_conf[8] );
-		else{
-			if ( ulc_conf[8] == 0){
-				PrintAndLog("           Auth0 [42/0x2A]: %s - default", sprint_hex(ulc_conf+8, 4) );
-			} else {
-				PrintAndLog("           Auth0 [42/0x2A]: %s - auth byte is out-of-range", sprint_hex(ulc_conf+8, 4) );
-			}
+			PrintAndLog("Error: tag didn't answer to READ - possibly locked");
+		} else {
+			ulc_print_configuration(ulc_conf);
 		}
-		PrintAndLog("           Auth1 [43/0x2B]: %s - %s",
-				sprint_hex(ulc_conf+12, 4),
-				(ulc_conf[12] & 1) ? "write access restricted": "read and write access restricted"
-				);
 
-		if ((tagtype & UL_C_MAGIC)){
+		if ((tagtype & MAGIC)){
 
-			uint8_t deskey[16] = {0x00};
-			status = ul_read(0x2C, deskey, sizeof(deskey));
+			uint8_t ulc_deskey[16] = {0x00};
+			status = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
 			if ( status == -1 ){
-				PrintAndLog("Error: tag didn't answer to READ");
+				PrintAndLog("Error: tag didn't answer to READ B");
 				ul_switch_off_field();
 				return status;
 			}
-			PrintAndLog("         deskey1 [44/0x2C]: %s", sprint_hex(deskey   ,4));
-			PrintAndLog("         deskey1 [45/0x2D]: %s", sprint_hex(deskey+4 ,4));			
-			PrintAndLog("         deskey2 [46/0x2E]: %s", sprint_hex(deskey+8 ,4));
-			PrintAndLog("         deskey2 [47/0x2F]: %s", sprint_hex(deskey+12,4));
-			PrintAndLog(" 3des key : %s", sprint_hex(SwapEndian64(deskey, 16), 16));
+			
+			ulc_print_3deskey(ulc_deskey);
+
 		}
 		else {
 			PrintAndLog("Trying some default 3des keys");
+			ul_switch_off_field();
 			for (uint8_t i = 0; i < 7; ++i ){
 				key = default_3des_keys[i];
 				if (try3DesAuthentication(key) == 1){
@@ -459,19 +577,34 @@ int CmdHF14AMfUInfo(const char *Cmd){
 	}
 	
 	if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
-		
-		PrintAndLog("--- UL-EV1 Counters");
-		uint8_t counter[4] = {0,0,0,0};
-		for ( uint8_t i = 0; i<3; ++i) {
-			ulev1_readCounter(i,counter, sizeof(counter) );
-			PrintAndLog("Counter[%d] :: %s", i, sprint_hex(counter,4));
+			
+		uint8_t startconfigblock = (tagtype & UL_EV1_48) ? 0x10 : 0x25;
+		uint8_t ulev1_conf[16] = {0x00};
+		status = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
+		if ( status == -1 ){
+			PrintAndLog("Error: tag didn't answer to READ C");
+			ul_switch_off_field();
+			return status;
 		}
+		// save AUTHENTICATION LIMITS for later:
+		authlim = (ulev1_conf[4] & 0x07);
+		
+		ulev1_print_configuration(ulev1_conf);
+		
+		uint8_t ulev1_signature[32] = {0x00};
+		status = ulev1_readSignature( ulev1_signature, sizeof(ulev1_signature));
+		if ( status == -1 ){
+			PrintAndLog("Error: tag didn't answer to READ SIGNATURE");
+			ul_switch_off_field();
+			return status;
+		}		
+		ulev1_print_signature( ulev1_signature, sizeof(ulev1_signature));
+		
+		ulev1_print_counters();
 	}
 	
 	if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216))) {
 
-		PrintAndLog("\n--- UL-EV1 / NTAG Version");
-	
 		uint8_t version[10] = {0x00};
 		status  = ulev1_getVersion(version, sizeof(version));
 		if ( status == -1 ){
@@ -479,22 +612,24 @@ int CmdHF14AMfUInfo(const char *Cmd){
 			ul_switch_off_field();
 			return status;
 		}
-		ul_print_version(version);
+		ulev1_print_version(version);
 		
-		//********** TODO ********************************
-		// --problem, there is a failed pwd tries counter in UL-EV1
-		PrintAndLog("\nTrying some known EV1/NTAG passwords.");
-				
-		uint8_t password[4] ={0xff,0xff,0xff,0xff};
-		uint8_t pack[4] = {0,0,0,0};
-		status = ulev1_requestAuthentication(password, pack, sizeof(pack));
-		if ( status == -1 ){
-			PrintAndLog("Error: tag didn't answer to AUTHENTICATE");
+		// AUTHLIMIT, (number of failed authentications)
+		// 0 = limitless.
+		// 1-7 = ...  should we even try then?
+		if ( authlim == 0 ){
+			PrintAndLog("\n--- Known EV1/NTAG passwords.");
+		
+			uint8_t pack[4] = {0,0,0,0};
+			
+			for (uint8_t i = 0; i < 2; ++i ){
+				key = default_pwd_pack[i];
+				if ( ulev1_requestAuthentication(key, pack, sizeof(pack)) > -1 ){
+					PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
+				}
+			}
 			ul_switch_off_field();
-			return status;
 		}
-		PrintAndLog("Found default password: %s",sprint_hex(password, sizeof(password)));
-		PrintAndLog("Got PACK : %s", sprint_hex(pack,sizeof(pack)));
 	}
 	
 	if ((tagtype & (NTAG_213 | NTAG_215 | NTAG_216))){
@@ -503,11 +638,11 @@ int CmdHF14AMfUInfo(const char *Cmd){
 		uint8_t cc[16] = {0x00};
 		status = ul_read(2, cc, sizeof(cc));
 		if ( status == -1 ){
-			PrintAndLog("Error: tag didn't answer to READ");
+			PrintAndLog("Error: tag didn't answer to READ D");
 			ul_switch_off_field();
 			return status;
-		}	
-		ul_print_CC(cc);	
+		}
+		ntag_print_CC(cc);	
 	}
 	
 	ul_switch_off_field();
@@ -631,6 +766,11 @@ int usage_hf_mfu_dump(void)
 	PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
 	PrintAndLog("It autodetects card type.\n");	
 	PrintAndLog("Usage:  hf mfu dump k <key> n <filename w/o .bin>");
+	PrintAndLog("  Options : ");
+	PrintAndLog("  k <key> : Enter key for authentication");
+	PrintAndLog("  n <FN > : Enter filename w/o .bin to save the dump as");	
+	PrintAndLog("        s : Swap entered key's endianness for auth");
+	PrintAndLog("");
 	PrintAndLog("   sample : hf mfu dump");
 	PrintAndLog("          : hf mfu dump n myfile");
 	return 0;
@@ -659,10 +799,11 @@ int CmdHF14AMfUDump(const char *Cmd){
 	bool tmplockbit = false;
 	uint8_t dataLen=0;
 	uint8_t cmdp =0;
-	//uint8_t key[16]= {0x00};
-	uint8_t *key = NULL;
+	uint8_t key[16] = {0x00};
+	uint8_t	*keyPtr = key;
 	size_t fileNlen = 0;
-	bool errors = FALSE;
+	bool errors = false;
+	bool swapEndian = false;
 
 	while(param_getchar(Cmd, cmdp) != 0x00)
 	{
@@ -677,9 +818,7 @@ int CmdHF14AMfUDump(const char *Cmd){
 			if (dataLen) {
 				errors = true; 
 			} else {
-				//memcpy(key, data, 16);
-				key = SwapEndian64(data, 16);
-				PrintAndLog("3des key: %s",sprint_hex(key, 16));
+				memcpy(key, data, 16);
 			}   
 			cmdp += 2;
 			hasPwd = true;
@@ -691,6 +830,9 @@ int CmdHF14AMfUDump(const char *Cmd){
 			if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
 			cmdp += 2;
 			break;
+		case 's':
+			swapEndian = true;
+			cmdp++;
 		default:
 			PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 			errors = true;
@@ -702,6 +844,9 @@ int CmdHF14AMfUDump(const char *Cmd){
 	//Validations
 	if(errors) return usage_hf_mfu_dump();
 	
+	if (swapEndian)
+		keyPtr = SwapEndian64(data, 16);
+
 	TagTypeUL_t tagtype = GetHF14AMfU_Type();
 	if (tagtype == UL_ERROR) return -1;
 	
@@ -736,7 +881,7 @@ int CmdHF14AMfUDump(const char *Cmd){
 		PrintAndLog("Command execute time-out");
 		return 1;
 	}
-	
+	PrintAndLog	("%u,%u",resp.arg[0],resp.arg[1]);
 	uint8_t isOK = resp.arg[0] & 0xff;
 	if (isOK) {
 		memcpy(data, resp.d.asBytes, resp.arg[1]);
@@ -1067,11 +1212,11 @@ int CmdHF14AMfUCRdBl(const char *Cmd)
 	UsbCommand resp;
 	bool hasPwd = FALSE;
 	uint8_t blockNo = -1;
-	unsigned char key[16];
+	uint8_t key[16];
 	char cmdp = param_getchar(Cmd, 0);
 	
 	if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
-		PrintAndLog("Usage:  hf mfu crdbl  <block number> <password>");
+		PrintAndLog("Usage:  hf mfu crdbl  <block number> <key>");
 		PrintAndLog("");
 		PrintAndLog("sample: hf mfu crdbl 0");
 		PrintAndLog("        hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
@@ -1163,6 +1308,7 @@ int CmdHF14AMfUCWrBl(const char *Cmd){
 	if ( blockNo <= 3 ) {
 		if (!chinese_card){
 			 PrintAndLog("Access Denied");  
+			return 1;
 		} else {
 			PrintAndLog("--Special block no: 0x%02x", blockNo);
 			PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
@@ -1174,6 +1320,7 @@ int CmdHF14AMfUCWrBl(const char *Cmd){
 				PrintAndLog("isOk:%02x", isOK);
 			} else {
 				PrintAndLog("Command execute timeout");
+				return 1;
 			}  
 		}	
 	} else {
@@ -1187,6 +1334,7 @@ int CmdHF14AMfUCWrBl(const char *Cmd){
 				PrintAndLog("isOk : %02x", isOK);
 			} else {
 				PrintAndLog("Command execute timeout");
+				return 1;
 			}
 	}
 	return 0;
@@ -1440,4 +1588,4 @@ int CmdHFMFUltra(const char *Cmd){
 int CmdHelp(const char *Cmd){
 	CmdsHelp(CommandTable);
 	return 0;
-}
\ No newline at end of file
+}