X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e869d598719e492ca4bda9d8d2a5f80b7ff9d919..1c38049bcb76b08c0f6ee16f94fea7e767bfb1fd:/client/cmdhfmfu.c?ds=sidebyside

diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c
index 7aa16b89..336fd64a 100644
--- a/client/cmdhfmfu.c
+++ b/client/cmdhfmfu.c
@@ -100,6 +100,38 @@ uint32_t ul_ev1_pwdgenB(uint8_t* uid) {
 	return (uint32_t)bytes_to_num(pwd, 4);
 }
 
+// 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);
+}
+
+// pack generation for algo 1-3
+uint16_t ul_ev1_packgenA(uint8_t* uid){
+	uint16_t pack = (uid[0] ^ uid[1] ^ uid[2]) << 8 | (uid[2] ^ 8);
+	return pack;
+}
+uint16_t ul_ev1_packgenB(uint8_t* uid){
+	return 0x8080;
+}
+uint16_t ul_ev1_packgenC(uint8_t* uid){
+	return 0xaa55;
+}
+
+
 void ul_ev1_pwdgen_selftest(){
 	
 	uint8_t uid1[] = {0x04,0x11,0x12,0x11,0x12,0x11,0x10};
@@ -109,6 +141,10 @@ void ul_ev1_pwdgen_selftest(){
 	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;
 }
 
@@ -915,6 +951,14 @@ int CmdHF14AMfUInfo(const char *Cmd){
 				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];
@@ -1316,6 +1360,14 @@ int  usage_hf_mfu_gendiverse(void){
 	return 0;
 }
 
+int  usage_hf_mfu_pwdgen(void){
+	PrintAndLog("Usage:  hf mfu pwdgen <uid (14 hex symbols)>");
+	PrintAndLog("");
+	PrintAndLog("sample: hf mfu pwdgen 11223344556677");
+	PrintAndLog("");
+	return 0;
+}
+
 #define DUMP_PREFIX_LENGTH 48 
 //
 //  Mifare Ultralight / Ultralight-C / Ultralight-EV1
@@ -1562,7 +1614,7 @@ int CmdHF14AMfUDump(const char *Cmd){
 	PrintAndLog("---------------------------------");
 	for (i = 0; i < Pages; ++i) {
 		if ( i < 3 ) {
-			PrintAndLog("%02d/0x%02X | %s|   | ", i+startPage, i+startPage, sprint_hex(data + i * 4, 4));
+			PrintAndLog("%02d/0x%02X | %s|   | %.4s", i+startPage, i+startPage, sprint_hex(data + i * 4, 4), data + i * 4 );
 			continue;
 		}
 		switch(i){
@@ -1650,7 +1702,7 @@ 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;
 	}
 
@@ -1876,7 +1928,6 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
 
 	uint8_t uid[4];	
-	
 	char cmdp = param_getchar(Cmd, 0);
 	if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') return usage_hf_mfu_gendiverse();
 
@@ -1974,6 +2025,20 @@ int CmdHF14AMfUSim(const char *Cmd) {
 	return CmdHF14ASim(Cmd);
 }
 
+int CmdHF14AMfuPwdGen(const char *Cmd){
+	uint8_t uid[7] = {0x00};	
+	char cmdp = param_getchar(Cmd, 0);
+	if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') return usage_hf_mfu_pwdgen();
+
+	if (param_gethex(Cmd, 0, uid, 14)) return usage_hf_mfu_pwdgen();
+	
+	PrintAndLog(" algo | pwd      | pack");
+	PrintAndLog("------+----------+-----");
+	PrintAndLog(" EV1  | %08X | %04X", ul_ev1_pwdgenA(uid), ul_ev1_packgenA(uid));
+	PrintAndLog(" Ami  | %08X | %04X", ul_ev1_pwdgenB(uid), ul_ev1_packgenB(uid));
+	PrintAndLog(" LD   | %08X | %04X", ul_ev1_pwdgenC(uid), ul_ev1_packgenC(uid));
+	return 0;
+}
 //------------------------------------
 // Menu Stuff
 //------------------------------------
@@ -1991,11 +2056,13 @@ static command_t CommandTable[] =
 	{"setuid",	CmdHF14AMfucSetUid, 0, "Set UID - MAGIC tags only"},
 	{"sim",		CmdHF14AMfUSim,     0, "Simulate Ultralight from emulator memory"},		
 	{"gen",		CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
+	{"pwdgen",	CmdHF14AMfuPwdGen, 1, "Generate pwd from known algos"},
 	{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;
 }