X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7c8b5e68110a08a78b6fc5d49175108d9e751345..b03006794fc64e8b2e3f38cb9add5e19128f2f6f:/client/cmdhfmfu.c

diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c
index 3dfee3a6..cc2e05d6 100644
--- a/client/cmdhfmfu.c
+++ b/client/cmdhfmfu.c
@@ -16,16 +16,16 @@
 #include "protocols.h"
 #include "data.h"
 
-#define MAX_UL_BLOCKS      0x0f
-#define MAX_ULC_BLOCKS     0x2b
-#define MAX_ULEV1a_BLOCKS  0x13
-#define MAX_ULEV1b_BLOCKS  0x28
-#define MAX_NTAG_203       0x29
-#define MAX_NTAG_210       0x13
-#define MAX_NTAG_212       0x28
-#define MAX_NTAG_213       0x2c
-#define MAX_NTAG_215       0x86
-#define MAX_NTAG_216       0xe6
+#define MAX_UL_BLOCKS     0x0f
+#define MAX_ULC_BLOCKS    0x2b
+#define MAX_ULEV1a_BLOCKS 0x13
+#define MAX_ULEV1b_BLOCKS 0x28
+#define MAX_NTAG_203      0x29
+#define MAX_NTAG_210      0x13
+#define MAX_NTAG_212      0x28
+#define MAX_NTAG_213      0x2c
+#define MAX_NTAG_215      0x86
+#define MAX_NTAG_216      0xe6
 #define MAX_MY_D_NFC       0xff
 #define MAX_MY_D_MOVE      0x25
 #define MAX_MY_D_MOVE_LEAN 0x0f
@@ -41,30 +41,99 @@ uint8_t default_3des_keys[KEYS_3DES_COUNT][16] = {
 		{ 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF }	// 11 22 33
 };
 
-#define KEYS_PWD_COUNT 10
+#define KEYS_PWD_COUNT 1
 uint8_t default_pwd_pack[KEYS_PWD_COUNT][4] = {
 	{0xFF,0xFF,0xFF,0xFF}, // PACK 0x00,0x00 -- factory default
-
-	{0x4A,0xF8,0x4B,0x19}, // PACK 0xE5,0xBE -- italian bus (sniffed)
-	{0x33,0x6B,0xA1,0x19}, // PACK 0x9c,0x2d -- italian bus (sniffed)
-	{0xFF,0x90,0x6C,0xB2}, // PACK 0x12,0x9e -- italian bus (sniffed)	
-	{0x46,0x1c,0xA3,0x19}, // PACK 0xE9,0x5A -- italian bus (sniffed)
-	{0x35,0x1C,0xD0,0x19}, // PACK 0x9A,0x5a -- italian bus (sniffed)
-
-	{0x05,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- Amiiboo (sniffed) pikachu-b UID:
-	{0x7E,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- AMiiboo (sniffed) 
-	{0x02,0xE1,0xEE,0x36}, // PACK 0x80,0x80 -- AMiiboo (sniffed) sonic UID:  04d257 7ae33e8027
-	{0x32,0x0C,0x16,0x17}, // PACK 0x80,0x80 -- AMiiboo (sniffed) 
 };
 
 #define MAX_UL_TYPES 18
-uint32_t UL_TYPES_ARRAY[MAX_UL_TYPES] = {UNKNOWN, UL, UL_C, UL_EV1_48, UL_EV1_128, NTAG, NTAG_203,
-	    NTAG_210, NTAG_212, NTAG_213, NTAG_215, NTAG_216, MY_D, MY_D_NFC, MY_D_MOVE, MY_D_MOVE_NFC, MY_D_MOVE_LEAN, FUDAN_UL};
+uint32_t UL_TYPES_ARRAY[MAX_UL_TYPES] = {
+		UNKNOWN, UL, UL_C, 
+		UL_EV1_48, UL_EV1_128, NTAG,
+		NTAG_203, NTAG_210, NTAG_212,
+		NTAG_213, NTAG_215, NTAG_216,
+		MY_D, MY_D_NFC, MY_D_MOVE,
+		MY_D_MOVE_NFC, MY_D_MOVE_LEAN, FUDAN_UL};
+
+uint8_t UL_MEMORY_ARRAY[MAX_UL_TYPES] = {
+		MAX_UL_BLOCKS, MAX_UL_BLOCKS, MAX_ULC_BLOCKS,
+		MAX_ULEV1a_BLOCKS, MAX_ULEV1b_BLOCKS, MAX_NTAG_203,
+		MAX_NTAG_203, MAX_NTAG_210, MAX_NTAG_212,
+		MAX_NTAG_213, MAX_NTAG_215, MAX_NTAG_216, 
+		MAX_UL_BLOCKS, MAX_MY_D_NFC, MAX_MY_D_MOVE,
+		MAX_MY_D_MOVE, MAX_MY_D_MOVE_LEAN, MAX_UL_BLOCKS};
+
+// Certain pwd generation algo nickname A.
+uint32_t ul_ev1_pwdgenA(uint8_t* uid) { 
+
+	uint8_t pos = (uid[3] ^ uid[4] ^ uid[5] ^ uid[6]) % 32;
+	
+	uint32_t xortable[] = {
+						0x4f2711c1, 0x07D7BB83, 0x9636EF07, 0xB5F4460E, 0xF271141C, 0x7D7BB038, 0x636EF871, 0x5F4468E3,
+						0x271149C7, 0xD7BB0B8F, 0x36EF8F1E, 0xF446863D, 0x7114947A, 0x7BB0B0F5, 0x6EF8F9EB, 0x44686BD7,
+						0x11494fAF, 0xBB0B075F, 0xEF8F96BE, 0x4686B57C, 0x1494F2F9, 0xB0B07DF3, 0xF8F963E6, 0x686B5FCC,
+						0x494F2799, 0x0B07D733, 0x8F963667, 0x86B5F4CE, 0x94F2719C, 0xB07D7B38, 0xF9636E70, 0x6B5F44E0
+						};
+
+	uint8_t entry[] = {0x00,0x00,0x00,0x00};
+	uint8_t pwd[] = {0x00,0x00,0x00,0x00};
+	
+	num_to_bytes( xortable[pos], 4, entry);
+
+	pwd[0] = entry[0] ^ uid[1] ^ uid[2] ^ uid[3];
+	pwd[1] = entry[1] ^ uid[0] ^ uid[2] ^ uid[4];
+	pwd[2] = entry[2] ^ uid[0] ^ uid[1] ^ uid[5];
+	pwd[3] = entry[3] ^ uid[6];
+
+	return (uint32_t)bytes_to_num(pwd, 4);
+}
+
+// Certain pwd generation algo nickname B. (very simple)
+uint32_t ul_ev1_pwdgenB(uint8_t* uid) {
+
+	uint8_t pwd[] = {0x00,0x00,0x00,0x00};
+	
+	pwd[0] = uid[1] ^ uid[3] ^ 0xAA;
+	pwd[1] = uid[2] ^ uid[4] ^ 0x55;
+	pwd[2] = uid[3] ^ uid[5] ^ 0xAA;
+	pwd[3] = uid[4] ^ uid[6] ^ 0x55;
+	return (uint32_t)bytes_to_num(pwd, 4);
+}
 
-uint8_t UL_MEMORY_ARRAY[MAX_UL_TYPES] = {MAX_UL_BLOCKS, MAX_UL_BLOCKS, MAX_ULC_BLOCKS, MAX_ULEV1a_BLOCKS,
-	    MAX_ULEV1b_BLOCKS, MAX_NTAG_203, MAX_NTAG_203, MAX_NTAG_210, MAX_NTAG_212, MAX_NTAG_213,
-	    MAX_NTAG_215, MAX_NTAG_216, MAX_UL_BLOCKS, MAX_MY_D_NFC, MAX_MY_D_MOVE, MAX_MY_D_MOVE, MAX_MY_D_MOVE_LEAN, MAX_UL_BLOCKS};
+// Certain pwd generation algo nickname C.
+uint32_t ul_ev1_pwdgenC(uint8_t* uid){
+	uint32_t pwd = 0;
+	uint8_t base[] = {
+		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x28,
+		0x63, 0x29, 0x20, 0x43, 0x6f, 0x70, 0x79, 0x72,
+		0x69, 0x67, 0x68, 0x74, 0x20, 0x4c, 0x45, 0x47,
+		0x4f, 0x20, 0x32, 0x30, 0x31, 0x34, 0xaa, 0xaa
+	};
+
+	memcpy(base, uid, 7);
+
+	for (int i = 0; i < 32; i += 4) {
+		uint32_t b = *(uint32_t *)(base + i);
+		pwd = b + ROTR(pwd, 25) + ROTR(pwd, 10) - pwd;
+	}
+	return BSWAP_32(pwd);
+}
 
+void ul_ev1_pwdgen_selftest(){
+	
+	uint8_t uid1[] = {0x04,0x11,0x12,0x11,0x12,0x11,0x10};
+	uint32_t pwd1 = ul_ev1_pwdgenA(uid1);
+	PrintAndLog("UID | %s | %08X | %s", sprint_hex(uid1,7), pwd1, (pwd1 == 0x8432EB17)?"OK":"->8432EB17<-");
+
+	uint8_t uid2[] = {0x04,0x1f,0x98,0xea,0x1e,0x3e,0x81};		
+	uint32_t pwd2 = ul_ev1_pwdgenB(uid2);
+	PrintAndLog("UID | %s | %08X | %s", sprint_hex(uid2,7), pwd2, (pwd2 == 0x5fd37eca)?"OK":"->5fd37eca<--");
+
+	uint8_t uid3[] = {0x04,0x62, 0xB6, 0x8A, 0xB4, 0x42, 0x80};
+	uint32_t pwd3 = ul_ev1_pwdgenC(uid3);
+	PrintAndLog("UID | %s | %08X | %s", sprint_hex(uid3,7), pwd3, (pwd3 == 0x5a349515)?"OK":"->5a349515<--");
+	return;
+}
 
 static int CmdHelp(const char *Cmd);
 
@@ -129,24 +198,7 @@ static int ul_send_cmd_raw( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uin
 	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}};
-	if (append_crc)
-		c.arg[0] |= ISO14A_APPEND_CRC;
-
-	memcpy(c.d.asBytes, cmd, cmdlen);	
-	clearCommandBuffer();
-	SendCommand(&c);
-	UsbCommand resp;
-	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_select( iso14a_card_select_t *card ){
 
 	ul_switch_on_field();
@@ -228,7 +280,7 @@ static int ul_auth_select( iso14a_card_select_t *card, TagTypeUL_t tagtype, bool
 		if ( !ul_select(card) ) return 0;
 
 		if (hasAuthKey) {
-			if (ulev1_requestAuthentication(authenticationkey, pack, packSize) < 1) {
+			if (ulev1_requestAuthentication(authenticationkey, pack, packSize) < 2) {
 				ul_switch_off_field();
 				PrintAndLog("Error: Authentication Failed UL-EV1/NTAG");
 				return 0;
@@ -245,16 +297,6 @@ static int ulev1_getVersion( uint8_t *response, uint16_t responseLength ){
 	return len;
 }
 
-// static int ulev1_fastRead( uint8_t startblock, uint8_t endblock, uint8_t *response ){
-	
-	// uint8_t cmd[] = {MIFARE_ULEV1_FASTREAD, startblock, endblock};
-	
-	// if ( !ul_send_cmd_raw(cmd, sizeof(cmd), response)){
-		// return -1;
-	// }
-	// return 0;
-// }
-
 static int ulev1_readCounter( uint8_t counter, uint8_t *response, uint16_t responseLength ){
 
 	uint8_t cmd[] = {MIFARE_ULEV1_READ_CNT, counter};
@@ -276,7 +318,6 @@ static int ulev1_readSignature( uint8_t *response, uint16_t responseLength ){
 	return len;
 }
 
-
 // Fudan check checks for which error is given for a command with incorrect crc
 // NXP UL chip responds with 01, fudan 00.
 // other possible checks:
@@ -346,12 +387,12 @@ static int ul_print_default( uint8_t *data){
 
 	PrintAndLog("      Lock : %s - %s",
 				sprint_hex(data+10, 2),
-				printBits(2, data+10)
+				sprint_bin(data+10, 2)
 		);
 
 	PrintAndLog("OneTimePad : %s - %s\n",
 				sprint_hex(data + 12, 4),
-				printBits(4, data+12)
+				sprint_bin(data+12, 4)
 		);
 
 	return 0;
@@ -367,7 +408,9 @@ static int ndef_print_CC(uint8_t *data) {
 	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: %d bytes", data[2], (data[2] + 1) * 8);
-	if ( data[2] == 0x12 )
+	if ( data[2] == 0x96 )
+		PrintAndLog("  %02X : NDEF Memory Size: %d bytes", data[2], 48);
+	else 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);
@@ -440,8 +483,8 @@ static int ulc_print_3deskey( uint8_t *data){
 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));
+	PrintAndLog(" Higher Lockbits [40/0x28] : %s - %s", sprint_hex(data, 4), sprint_bin(data, 2));
+	PrintAndLog("         Counter [41/0x29] : %s - %s", sprint_hex(data+4, 4), sprint_bin(data+4, 2));
 
 	bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
 	if ( validAuth )
@@ -466,6 +509,8 @@ static int ulev1_print_configuration( uint8_t *data, uint8_t startPage){
 
 	bool strg_mod_en = (data[0] & 2);
 	uint8_t authlim = (data[4] & 0x07);
+	bool nfc_cnf_en = (data[4] & 0x08);
+	bool nfc_cnf_prot_pwd = (data[4] & 0x10);
 	bool cfglck = (data[4] & 0x40);
 	bool prot = (data[4] & 0x80);
 	uint8_t vctid = data[5];
@@ -481,6 +526,10 @@ static int ulev1_print_configuration( uint8_t *data, uint8_t startPage){
 		PrintAndLog("                    - Unlimited password attempts");
 	else
 		PrintAndLog("                    - Max number of password attempts is %d", authlim);
+	
+	PrintAndLog("                    - NFC counter %s", (nfc_cnf_en) ? "enabled":"disabled");
+	PrintAndLog("                    - NFC counter %s", (nfc_cnf_prot_pwd) ? "not protected":"password protection enabled");
+	
 	PrintAndLog("                    - user configuration %s", cfglck ? "permanently locked":"writeable");
 	PrintAndLog("                    - %s access is protected with password", prot ? "read and write":"write");
 	PrintAndLog("                    - %02X, Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
@@ -692,7 +741,8 @@ int CmdHF14AMfUInfo(const char *Cmd){
 	uint8_t dataLen = 0;
 	uint8_t authenticationkey[16] = {0x00};
 	uint8_t *authkeyptr = authenticationkey;
-	uint8_t	*key;
+	uint8_t pwd[4] = {0,0,0,0};
+	uint8_t	*key = pwd;
 	uint8_t pack[4] = {0,0,0,0};
 	int len = 0;
 	char tempStr[50];
@@ -814,6 +864,7 @@ int CmdHF14AMfUInfo(const char *Cmd){
 		}
 	}
 
+	// Read signature
 	if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216 | NTAG_I2C_1K | NTAG_I2C_2K	))) {
 		uint8_t ulev1_signature[32] = {0x00};
 		status = ulev1_readSignature( ulev1_signature, sizeof(ulev1_signature));
@@ -829,6 +880,7 @@ int CmdHF14AMfUInfo(const char *Cmd){
 		}
 	}
 
+	// Get Version
 	if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_210 | NTAG_212 | NTAG_213 | NTAG_215 | NTAG_216 | NTAG_I2C_1K | NTAG_I2C_2K))) {
 		uint8_t version[10] = {0x00};
 		status  = ulev1_getVersion(version, sizeof(version));
@@ -870,6 +922,31 @@ int CmdHF14AMfUInfo(const char *Cmd){
 		if ( !authlim && !hasAuthKey ) {
 			PrintAndLog("\n--- Known EV1/NTAG passwords.");
 			len = 0;
+			
+			// test pwd gen A
+			num_to_bytes( ul_ev1_pwdgenA(card.uid), 4, key);
+			len = ulev1_requestAuthentication(key, pack, sizeof(pack));
+			if (len >= 1) {
+				PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
+			}
+			if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;
+			
+			// test pwd gen B
+			num_to_bytes( ul_ev1_pwdgenB(card.uid), 4, key);
+			len = ulev1_requestAuthentication(key, pack, sizeof(pack));
+			if (len >= 1) {
+				PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
+			}
+			if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;
+
+			// test pwd gen C
+			num_to_bytes( ul_ev1_pwdgenC(card.uid), 4, key);
+			len = ulev1_requestAuthentication(key, pack, sizeof(pack));
+			if (len >= 1) {
+				PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
+			}
+			if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;			
+			
 			for (uint8_t i = 0; i < KEYS_PWD_COUNT; ++i ) {
 				key = default_pwd_pack[i];
 				len = ulev1_requestAuthentication(key, pack, sizeof(pack));
@@ -895,7 +972,7 @@ int CmdHF14AMfUInfo(const char *Cmd){
 //
 int CmdHF14AMfUWrBl(const char *Cmd){
 
-	int blockNo = -1;
+	int blockNo = -1;	
 	bool errors = false;
 	bool hasAuthKey = false;
 	bool hasPwdKey = false;
@@ -908,10 +985,6 @@ int CmdHF14AMfUWrBl(const char *Cmd){
 	uint8_t authenticationkey[16] = {0x00};
 	uint8_t *authKeyPtr = authenticationkey;
 
-	// starting with getting tagtype
-	TagTypeUL_t tagtype = GetHF14AMfU_Type();
-	if (tagtype == UL_ERROR) return -1;
-
 	while(param_getchar(Cmd, cmdp) != 0x00)
 	{
 		switch(param_getchar(Cmd, cmdp))
@@ -943,20 +1016,9 @@ int CmdHF14AMfUWrBl(const char *Cmd){
 			case 'b':
 			case 'B':
 				blockNo = param_get8(Cmd, cmdp+1);
-				
-				uint8_t maxblockno = 0;
-				for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++){
-					if (tagtype & UL_TYPES_ARRAY[idx])
-						maxblockno = UL_MEMORY_ARRAY[idx];
-				}
-		
 				if (blockNo < 0) {
 					PrintAndLog("Wrong block number");
-					errors = true;
-				}
-				if (blockNo > maxblockno){
-					PrintAndLog("block number too large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
-					errors = true;
+					errors = true;									
 				}
 				cmdp += 2;
 				break;
@@ -984,21 +1046,34 @@ int CmdHF14AMfUWrBl(const char *Cmd){
 	}
 
 	if ( blockNo == -1 ) return usage_hf_mfu_wrbl();
+	// starting with getting tagtype
+	TagTypeUL_t tagtype = GetHF14AMfU_Type();
+	if (tagtype == UL_ERROR) return -1;
+
+	uint8_t maxblockno = 0;
+	for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++){
+		if (tagtype & UL_TYPES_ARRAY[idx])
+			maxblockno = UL_MEMORY_ARRAY[idx];
+	}
+	if (blockNo > maxblockno){
+		PrintAndLog("block number too large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
+		return usage_hf_mfu_wrbl();
+	}
 
 	// Swap endianness 
 	if (swapEndian && hasAuthKey) authKeyPtr = SwapEndian64(authenticationkey, 16, 8);
 	if (swapEndian && hasPwdKey)  authKeyPtr = SwapEndian64(authenticationkey, 4, 4);
 
-	if ( blockNo <= 3)
+	if ( blockNo <= 3) 		
 		PrintAndLog("Special Block: %0d (0x%02X) [ %s]", blockNo, blockNo, sprint_hex(blockdata, 4));
 	else
 		PrintAndLog("Block: %0d (0x%02X) [ %s]", blockNo, blockNo, sprint_hex(blockdata, 4));
-
+	
 	//Send write Block
 	UsbCommand c = {CMD_MIFAREU_WRITEBL, {blockNo}};
 	memcpy(c.d.asBytes,blockdata,4);
 
-	if ( hasAuthKey ) {
+	if ( hasAuthKey ){
 		c.arg[1] = 1;
 		memcpy(c.d.asBytes+4,authKeyPtr,16);
 	}
@@ -1006,7 +1081,7 @@ int CmdHF14AMfUWrBl(const char *Cmd){
 		c.arg[1] = 2;
 		memcpy(c.d.asBytes+4,authKeyPtr,4);
 	}
-
+	
 	clearCommandBuffer();
 	SendCommand(&c);
 	UsbCommand resp;
@@ -1016,7 +1091,7 @@ int CmdHF14AMfUWrBl(const char *Cmd){
 	} else {
 		PrintAndLog("Command execute timeout");
 	}
-
+	
 	return 0;
 }
 //
@@ -1035,10 +1110,6 @@ int CmdHF14AMfURdBl(const char *Cmd){
 	uint8_t authenticationkey[16] = {0x00};
 	uint8_t *authKeyPtr = authenticationkey;
 
-	// starting with getting tagtype
-	TagTypeUL_t tagtype = GetHF14AMfU_Type();
-	if (tagtype == UL_ERROR) return -1;
-
 	while(param_getchar(Cmd, cmdp) != 0x00)
 	{
 		switch(param_getchar(Cmd, cmdp))
@@ -1070,28 +1141,17 @@ int CmdHF14AMfURdBl(const char *Cmd){
 			case 'b':
 			case 'B':
 				blockNo = param_get8(Cmd, cmdp+1);
-
-				uint8_t maxblockno = 0;
-				for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++){
-					if (tagtype & UL_TYPES_ARRAY[idx])
-						maxblockno = UL_MEMORY_ARRAY[idx];
-				}
-
 				if (blockNo < 0) {
 					PrintAndLog("Wrong block number");
-					errors = true;
-				}
-				if (blockNo > maxblockno){
-					PrintAndLog("block number to large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
-					errors = true;
+					errors = true;									
 				}
 				cmdp += 2;
 				break;
 			case 'l':
 			case 'L':
 				swapEndian = true;
-				cmdp++;
-				break;
+				cmdp++;	
+				break;				
 			default:
 				PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 				errors = true;
@@ -1102,11 +1162,24 @@ int CmdHF14AMfURdBl(const char *Cmd){
 	}
 
 	if ( blockNo == -1 ) return usage_hf_mfu_rdbl();
+	// start with getting tagtype
+	TagTypeUL_t tagtype = GetHF14AMfU_Type();
+	if (tagtype == UL_ERROR) return -1;
+
+	uint8_t maxblockno = 0;
+	for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++){
+		if (tagtype & UL_TYPES_ARRAY[idx])
+			maxblockno = UL_MEMORY_ARRAY[idx];
+	}
+	if (blockNo > maxblockno){
+		PrintAndLog("block number to large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
+		return usage_hf_mfu_rdbl();
+	}
 
 	// Swap endianness 
 	if (swapEndian && hasAuthKey) authKeyPtr = SwapEndian64(authenticationkey, 16, 8);
 	if (swapEndian && hasPwdKey)  authKeyPtr = SwapEndian64(authenticationkey, 4, 4);
-
+	
 	//Read Block
 	UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
 	if ( hasAuthKey ){
@@ -1117,7 +1190,7 @@ int CmdHF14AMfURdBl(const char *Cmd){
 		c.arg[1] = 2;
 		memcpy(c.d.asBytes,authKeyPtr,4);
 	}
-
+	
 	clearCommandBuffer();
 	SendCommand(&c);
 	UsbCommand resp;
@@ -1161,14 +1234,13 @@ int usage_hf_mfu_dump(void) {
 	PrintAndLog("NTAG 203, NTAG 210, NTAG 212, NTAG 213, NTAG 215, NTAG 216");
 	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> l n <filename w/o .bin>");
-	PrintAndLog("  Options : ");
+	PrintAndLog("Usage:  hf mfu dump k <key> l n <filename w/o .bin> p <page#> q <#pages>");
+	PrintAndLog("  Options :");
 	PrintAndLog("  k <key> : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
 	PrintAndLog("  l       : (optional) swap entered key's endianness");
 	PrintAndLog("  n <FN > : filename w/o .bin to save the dump as");	
 	PrintAndLog("  p <Pg > : starting Page number to manually set a page to start the dump at");	
 	PrintAndLog("  q <qty> : number of Pages to manually set how many pages to dump");	
-
 	PrintAndLog("");
 	PrintAndLog("   sample : hf mfu dump");
 	PrintAndLog("          : hf mfu dump n myfile");
@@ -1194,7 +1266,7 @@ int usage_hf_mfu_rdbl(void) {
 int usage_hf_mfu_wrbl(void) {
 	PrintAndLog("Write a block. It autodetects card type.\n");		
 	PrintAndLog("Usage:  hf mfu wrbl b <block number> d <data> k <key> l\n");
-	PrintAndLog("  Options:");
+	PrintAndLog("  Options:");	
 	PrintAndLog("  b <no>   : block to write");
 	PrintAndLog("  d <data> : block data - (8 hex symbols)");
 	PrintAndLog("  k <key>  : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
@@ -1205,6 +1277,77 @@ int usage_hf_mfu_wrbl(void) {
 	return 0;
 }
 
+int usage_hf_mfu_eload(void) {
+	PrintAndLog("It loads emul dump from the file `filename.eml`");
+	PrintAndLog("Hint: See script dumptoemul-mfu.lua to convert the .bin to the eml");
+	PrintAndLog("Usage:  hf mfu eload u <file name w/o `.eml`> [numblocks]");
+	PrintAndLog("  Options:");
+	PrintAndLog("    h          : this help");	
+	PrintAndLog("    u          : UL (required)");
+	PrintAndLog("    [filename] : without `.eml` (required)");	
+	PrintAndLog("    numblocks  : number of blocks to load from eml file (optional)");
+	PrintAndLog("");
+	PrintAndLog("  sample: hf mfu eload u filename");
+	PrintAndLog("          hf mfu eload u filename 57");
+			return 0;
+}
+
+int usage_hf_mfu_sim(void) {
+	PrintAndLog("\nEmulating Ultralight tag from emulator memory\n");
+	PrintAndLog("\nBe sure to load the emulator memory first!\n");
+	PrintAndLog("Usage: hf mfu sim t 7 u <uid>");
+	PrintAndLog("  Options:");
+	PrintAndLog("    h       : this help");
+	PrintAndLog("    t 7     : 7 = NTAG or Ultralight sim (required)");
+	PrintAndLog("    u <uid> : 4 or 7 byte UID (optional)");
+	PrintAndLog("\n   sample : hf mfu sim t 7");
+	PrintAndLog("          : hf mfu sim t 7 u 1122344556677\n");
+	
+	return 0;
+}
+
+int usage_hf_mfu_ucauth(void) {
+	PrintAndLog("Usage:  hf mfu cauth k <key number>");
+	PrintAndLog("      0 (default): 3DES standard key");
+	PrintAndLog("      1 : all 0x00 key");
+	PrintAndLog("      2 : 0x00-0x0F key");
+	PrintAndLog("      3 : nfc key");
+	PrintAndLog("      4 : all 0x01 key");
+	PrintAndLog("      5 : all 0xff key");
+	PrintAndLog("      6 : 0x00-0xFF key");		
+	PrintAndLog("\n      sample : hf mfu cauth k");
+	PrintAndLog("               : hf mfu cauth k 3");
+	return 0;
+}
+
+int usage_hf_mfu_ucsetpwd(void) {
+	PrintAndLog("Usage:  hf mfu setpwd <password (32 hex symbols)>");
+	PrintAndLog("       [password] - (32 hex symbols)");
+	PrintAndLog("");
+	PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
+	PrintAndLog("");
+	return 0;
+}
+
+int usage_hf_mfu_ucsetuid(void) {
+	PrintAndLog("Usage:  hf mfu setuid <uid (14 hex symbols)>");
+	PrintAndLog("       [uid] - (14 hex symbols)");
+	PrintAndLog("\nThis only works for Magic Ultralight tags.");
+	PrintAndLog("");
+	PrintAndLog("sample: hf mfu setuid 11223344556677");
+	PrintAndLog("");
+	return 0;
+}
+
+int  usage_hf_mfu_gendiverse(void){
+	PrintAndLog("Usage:  hf mfu gen <uid (8 hex symbols)>");
+	PrintAndLog("");
+	PrintAndLog("sample: hf mfu gen 11223344");
+	PrintAndLog("");
+	return 0;
+}
+
+#define DUMP_PREFIX_LENGTH 48 
 //
 //  Mifare Ultralight / Ultralight-C / Ultralight-EV1
 //  Read and Dump Card Contents,  using auto detection of tag size.
@@ -1227,6 +1370,7 @@ int CmdHF14AMfUDump(const char *Cmd){
 	uint8_t dataLen = 0;
 	uint8_t cmdp = 0;
 	uint8_t authenticationkey[16] = {0x00};
+	memset(authenticationkey, 0x00, sizeof(authenticationkey));
 	uint8_t	*authKeyPtr = authenticationkey;
 	size_t fileNlen = 0;
 	bool errors = false;
@@ -1268,7 +1412,7 @@ int CmdHF14AMfUDump(const char *Cmd){
 			cmdp += 2;
 			break;
 		case 'p':
-		case 'P':
+		case 'P': //set start page
 			startPage = param_get8(Cmd, cmdp+1);
 			manualPages = true;
 			cmdp += 2;
@@ -1290,6 +1434,7 @@ int CmdHF14AMfUDump(const char *Cmd){
 	//Validations
 	if(errors) return usage_hf_mfu_dump();
 
+	//if we entered a key in little endian and set the swapEndian switch - switch it...
 	if (swapEndian && hasAuthKey) 
 		authKeyPtr = SwapEndian64(authenticationkey, dataLen, (dataLen == 16) ? 8 : 4);
 
@@ -1356,8 +1501,51 @@ int CmdHF14AMfUDump(const char *Cmd){
 		}
 	}
 
-	// add keys to block dump
+	uint8_t	get_pack[] = {0,0};
+	iso14a_card_select_t card;
+	uint8_t dump_file_data[1024+DUMP_PREFIX_LENGTH] = {0x00};
+	uint8_t get_version[] = {0,0,0,0,0,0,0,0,0};
+	uint8_t	get_tearing[] = {0,0,0};
+	uint8_t	get_counter[] = {0,0,0};
+	uint8_t	dummy_pack[] = {0,0};
+	uint8_t	get_signature[32];
+	memset( get_signature, 0, sizeof(get_signature) );
+
+	// not ul_c and not std ul then attempt to get deeper info
+	if (!(tagtype & UL_C || tagtype & UL)) {
+		//attempt to read pack
+		if (!ul_auth_select( &card, tagtype, true, authKeyPtr, get_pack, sizeof(get_pack))) {
+			//reset pack
+			get_pack[0]=0;
+			get_pack[1]=0;
+		}
+		ul_switch_off_field();
+		// add pack to block read
+		memcpy(data + (Pages*4) - 4, get_pack, sizeof(get_pack));
+	if ( hasAuthKey )
+		ul_auth_select( &card, tagtype, hasAuthKey, authKeyPtr, dummy_pack, sizeof(dummy_pack));
+	else
+		ul_select(&card);
+
+	ulev1_getVersion( get_version, sizeof(get_version) );
+	for ( uint8_t i = 0; i<3; ++i) {
+		ulev1_readTearing(i, get_tearing+i, 1);
+		ulev1_readCounter(i, get_counter, sizeof(get_counter) );
+	}
+	ul_switch_off_field();
+	if ( hasAuthKey )
+		ul_auth_select( &card, tagtype, hasAuthKey, authKeyPtr, dummy_pack, sizeof(dummy_pack));
+	else
+		ul_select(&card);
+	ulev1_readSignature( get_signature, sizeof(get_signature));
+	ul_switch_off_field();
+	}
+
+	// format and add keys to block dump output
 	if (hasAuthKey) {
+		// if we didn't swapendian before - do it now for the sprint_hex call
+		// NOTE: default entry is bigendian (unless swapped), sprint_hex outputs little endian
+		//       need to swap to keep it the same
 		if (!swapEndian){
 			authKeyPtr = SwapEndian64(authenticationkey, dataLen, (dataLen == 16) ? 8 : 4);
 		} else {
@@ -1372,6 +1560,35 @@ int CmdHF14AMfUDump(const char *Cmd){
 		}
 	}
 
+	//add *special* blocks to dump
+	//get version
+	memcpy(dump_file_data, get_version, sizeof(get_version));
+	//tearing
+	memcpy(dump_file_data+10, get_tearing, sizeof(get_tearing));
+	//pack
+	memcpy(dump_file_data+13, get_pack, sizeof(get_pack));
+	//signature
+	memcpy(dump_file_data+16, get_signature, sizeof(get_signature));
+	//add regular block read data to dump
+	memcpy(dump_file_data+DUMP_PREFIX_LENGTH, data, Pages*4);
+
+	PrintAndLog("\n*Special* block data:");
+	PrintAndLog("\nDataType| Data        |   | Ascii");
+	PrintAndLog("---------------------------------");
+	PrintAndLog("GetVer-1| %s|   | %.4s", sprint_hex(dump_file_data, 4), dump_file_data);
+	PrintAndLog("GetVer-2| %s|   | %.4s", sprint_hex(dump_file_data+4, 4), dump_file_data+4);
+	PrintAndLog("TBD     | 00 00       |   | ");
+	PrintAndLog("Tearing |    %s|   | %.3s", sprint_hex(dump_file_data+10, 3), dump_file_data+10);
+	PrintAndLog("Pack    |    %s   |   | %.2s", sprint_hex(dump_file_data+13, 2), dump_file_data+13);
+	PrintAndLog("TBD     |          00 |   | ");
+	PrintAndLog("Sig-1   | %s|   | %.4s", sprint_hex(dump_file_data+16, 4), dump_file_data+16);
+	PrintAndLog("Sig-2   | %s|   | %.4s", sprint_hex(dump_file_data+20, 4), dump_file_data+20);
+	PrintAndLog("Sig-3   | %s|   | %.4s", sprint_hex(dump_file_data+24, 4), dump_file_data+24);
+	PrintAndLog("Sig-4   | %s|   | %.4s", sprint_hex(dump_file_data+28, 4), dump_file_data+28);
+	PrintAndLog("Sig-5   | %s|   | %.4s", sprint_hex(dump_file_data+32, 4), dump_file_data+32);
+	PrintAndLog("Sig-6   | %s|   | %.4s", sprint_hex(dump_file_data+36, 4), dump_file_data+36);
+	PrintAndLog("Sig-7   | %s|   | %.4s", sprint_hex(dump_file_data+40, 4), dump_file_data+40);
+	PrintAndLog("Sig-8   | %s|   | %.4s", sprint_hex(dump_file_data+44, 4), dump_file_data+44);
 	PrintAndLog("\nBlock#  | Data        |lck| Ascii");
 	PrintAndLog("---------------------------------");
 	for (i = 0; i < Pages; ++i) {
@@ -1381,11 +1598,11 @@ int CmdHF14AMfUDump(const char *Cmd){
 		}
 		switch(i){
 			case 3: tmplockbit = bit[4]; break;
-			case 4: tmplockbit = bit[3]; break;
-			case 5: tmplockbit = bit[2]; break;
-			case 6: tmplockbit = bit[1]; break;
-			case 7: tmplockbit = bit[0]; break;
-			case 8: tmplockbit = bit[15]; break;
+			case 4:	tmplockbit = bit[3]; break;
+			case 5:	tmplockbit = bit[2]; break;
+			case 6:	tmplockbit = bit[1]; break;
+			case 7:	tmplockbit = bit[0]; break;
+			case 8:	tmplockbit = bit[15]; break;
 			case 9: tmplockbit = bit[14]; break;
 			case 10: tmplockbit = bit[13]; break;
 			case 11: tmplockbit = bit[12]; break;
@@ -1440,10 +1657,10 @@ int CmdHF14AMfUDump(const char *Cmd){
 		PrintAndLog("Could not create file name %s", filename);
 		return 1;
 	}
-	fwrite( data, 1, Pages*4, fout );
+	fwrite( dump_file_data, 1, Pages*4 + DUMP_PREFIX_LENGTH, fout );
 	fclose(fout);
 	
-	PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
+	PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages+(DUMP_PREFIX_LENGTH/4), Pages*4 + DUMP_PREFIX_LENGTH, filename);
 	return 0;
 }
 
@@ -1464,26 +1681,13 @@ int CmdHF14AMfucAuth(const char *Cmd){
 	//Change key to user defined one
 	if (cmdp == 'k' || cmdp == 'K'){
 		keyNo = param_get8(Cmd, 1);
-		if(keyNo > KEYS_3DES_COUNT) 
+		if(keyNo >= KEYS_3DES_COUNT) 
 			errors = true;
 	}
 
-	if (cmdp == 'h' || cmdp == 'H')
-		errors = true;
+	if (cmdp == 'h' || cmdp == 'H') errors = true;
 	
-	if (errors) {
-		PrintAndLog("Usage:  hf mfu cauth k <key number>");
-		PrintAndLog("      0 (default): 3DES standard key");
-		PrintAndLog("      1 : all 0x00 key");
-		PrintAndLog("      2 : 0x00-0x0F key");
-		PrintAndLog("      3 : nfc key");
-		PrintAndLog("      4 : all 0x01 key");
-		PrintAndLog("      5 : all 0xff key");
-		PrintAndLog("      6 : 0x00-0xFF key");		
-		PrintAndLog("\n      sample : hf mfu cauth k");
-		PrintAndLog("               : hf mfu cauth k 3");
-		return 0;
-	} 
+	if (errors) return usage_hf_mfu_ucauth(); 
 
 	uint8_t *key = default_3des_keys[keyNo];
 	if (ulc_authentication(key, true))
@@ -1596,18 +1800,10 @@ int CmdTestDES(const char * cmd)
 //
 int CmdHF14AMfucSetPwd(const char *Cmd){
 
-	uint8_t pwd[16] = {0x00};
-	
+	uint8_t pwd[16] = {0x00};	
 	char cmdp = param_getchar(Cmd, 0);
-	
-	if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') {	
-		PrintAndLog("Usage:  hf mfu setpwd <password (32 hex symbols)>");
-		PrintAndLog("       [password] - (32 hex symbols)");
-		PrintAndLog("");
-		PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
-		PrintAndLog("");
-		return 0;
-	}
+
+	if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') return usage_hf_mfu_ucsetpwd();
 	
 	if (param_gethex(Cmd, 0, pwd, 32)) {
 		PrintAndLog("Password must include 32 HEX symbols");
@@ -1620,20 +1816,17 @@ int CmdHF14AMfucSetPwd(const char *Cmd){
 	SendCommand(&c);
 
 	UsbCommand resp;
-	
 	if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
-		if ( (resp.arg[0] & 0xff) == 1)
+		if ( (resp.arg[0] & 0xff) == 1) {
 			PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
-		else{
+		} else {
 			PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
 			return 1;
 		}
-	}
-	else {
+	} else {
 		PrintAndLog("command execution time out");
 		return 1;
-	}
-	
+	}	
 	return 0;
 }
 
@@ -1647,16 +1840,8 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 	uint8_t uid[7] = {0x00};
 	char cmdp = param_getchar(Cmd, 0);
 	
-	if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') {	
-		PrintAndLog("Usage:  hf mfu setuid <uid (14 hex symbols)>");
-		PrintAndLog("       [uid] - (14 hex symbols)");
-		PrintAndLog("\nThis only works for Magic Ultralight tags.");
-		PrintAndLog("");
-		PrintAndLog("sample: hf mfu setuid 11223344556677");
-		PrintAndLog("");
-		return 0;
-	}
-	
+	if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') return usage_hf_mfu_ucsetuid();
+
 	if (param_gethex(Cmd, 0, uid, 14)) {
 		PrintAndLog("UID must include 14 HEX symbols");
 		return 1;
@@ -1671,7 +1856,7 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 		PrintAndLog("Command execute timeout");
 		return 2;
 	}
-	
+
 	// save old block2.
 	uint8_t oldblock2[4] = {0x00};
 	memcpy(resp.d.asBytes, oldblock2, 4);
@@ -1689,7 +1874,7 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 		PrintAndLog("Command execute timeout");
 		return 3;
 	}
-	
+
 	// block 1.
 	c.arg[0] = 1;
 	c.d.asBytes[0] = uid[3];
@@ -1721,13 +1906,18 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 
 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
 
-	uint8_t iv[8] = { 0x00 };
-	uint8_t block = 0x07;
+	uint8_t uid[4];	
+	char cmdp = param_getchar(Cmd, 0);
+	if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') return usage_hf_mfu_gendiverse();
 
-	// UL-EV1
-	//04 57 b6 e2 05 3f 80 UID
-	//4a f8 4b 19   PWD
-	uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
+	if (param_gethex(Cmd, 0, uid, 8)) {
+		PrintAndLog("UID must include 8 HEX symbols");
+		return 1;
+	}
+	
+	uint8_t iv[8] = { 0x00 };
+	uint8_t block = 0x01;
+	
 	uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
 	uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
 	uint8_t dkeyA[8] = { 0x00 };
@@ -1737,14 +1927,14 @@ int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
 	
 	uint8_t mix[8] = { 0x00 };
 	uint8_t divkey[8] = { 0x00 };
-
+	
 	memcpy(mix, mifarekeyA, 4);
-
+	
 	mix[4] = mifarekeyA[4] ^ uid[0];
 	mix[5] = mifarekeyA[5] ^ uid[1];
 	mix[6] = block ^ uid[2];
 	mix[7] = uid[3];
-
+	
 	des3_context ctx = { 0x00 };
 	des3_set2key_enc(&ctx, masterkey);
 
@@ -1756,16 +1946,14 @@ int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
 		, divkey         // output
 		);
 
-	PrintAndLog("3DES version");
+	PrintAndLog("-- 3DES version");
 	PrintAndLog("Masterkey    :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
 	PrintAndLog("UID          :\t %s", sprint_hex(uid, sizeof(uid)));
-	PrintAndLog("Sector       :\t %0d", block);
+	PrintAndLog("block        :\t %0d", block);
 	PrintAndLog("Mifare key   :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
 	PrintAndLog("Message      :\t %s", sprint_hex(mix, sizeof(mix)));
 	PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
-
-	PrintAndLog("\n DES version");
-
+	
 	for (int i=0; i < sizeof(mifarekeyA); ++i){
 		dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
 		dkeyA[6] |=  ((mifarekeyA[i] >> 7) & 1) << (i+1);
@@ -1783,7 +1971,7 @@ int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
 	memcpy(dmkey+8, dkeyB, 8);
 	memcpy(dmkey+16, dkeyA, 8);
 	memset(iv, 0x00, 8);
-
+	
 	des3_set3key_enc(&ctx, dmkey);
 
 	des3_crypt_cbc(&ctx  // des3_context
@@ -1794,29 +1982,27 @@ int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
 		, newpwd         // output
 		);
 	
+	PrintAndLog("\n-- DES version");
 	PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
 	PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
 	PrintAndLog("Mifare ABA   :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
 	PrintAndLog("Mifare Pwd   :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
 	
+	// next. from the diversify_key method.	
 	return 0;
 }
 
-// static uint8_t * diversify_key(uint8_t * key){
-	
- // for(int i=0; i<16; i++){
-   // if(i<=6) key[i]^=cuid[i];
-   // if(i>6) key[i]^=cuid[i%7];
- // }
- // return key;
-// }
-
-// static void GenerateUIDe( uint8_t *uid, uint8_t len){
-	// for (int i=0; i<len; ++i){
-			
-	// }
-	// return;
-// }
+int CmdHF14AMfUeLoad(const char *Cmd) {
+	char ctmp = param_getchar(Cmd, 0);
+	if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) return usage_hf_mfu_eload();
+	return CmdHF14AMfELoad(Cmd);
+}
+
+int CmdHF14AMfUSim(const char *Cmd) {
+	char ctmp = param_getchar(Cmd, 0);
+	if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) return usage_hf_mfu_sim();
+	return CmdHF14ASim(Cmd);
+}
 
 //------------------------------------
 // Menu Stuff
@@ -1827,17 +2013,20 @@ static command_t CommandTable[] =
 	{"dbg",		CmdHF14AMfDbg,		0, "Set default debug mode"},
 	{"info",	CmdHF14AMfUInfo,	0, "Tag information"},
 	{"dump",	CmdHF14AMfUDump,	0, "Dump Ultralight / Ultralight-C / NTAG tag to binary file"},
+	{"eload",	CmdHF14AMfUeLoad,   0, "load Ultralight .eml dump file into emulator memory"},	
 	{"rdbl",	CmdHF14AMfURdBl,	0, "Read block"},
 	{"wrbl",	CmdHF14AMfUWrBl,	0, "Write block"},
 	{"cauth",	CmdHF14AMfucAuth,	0, "Authentication    - Ultralight C"},
-	{"setpwd",	CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
-	{"setuid",	CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
+	{"setpwd",	CmdHF14AMfucSetPwd, 0, "Set 3des password - Ultralight-C"},
+	{"setuid",	CmdHF14AMfucSetUid, 0, "Set UID - MAGIC tags only"},
+	{"sim",		CmdHF14AMfUSim,     0, "Simulate Ultralight from emulator memory"},		
 	{"gen",		CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
 	{NULL, NULL, 0, NULL}
 };
 
 int CmdHFMFUltra(const char *Cmd){
-	WaitForResponseTimeout(CMD_ACK,NULL,100);
+	clearCommandBuffer();
+	//WaitForResponseTimeout(CMD_ACK,NULL,100);
 	CmdsParse(CommandTable, Cmd);
 	return 0;
 }