X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c04a4b60cefc545641582da165c42b3023f5f753..a2bb2735d5095aabeba4a891fe4ba867a9afc2b3:/armsrc/mifarecmd.c

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index a3f0d374..00fd638c 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -20,10 +20,6 @@
 #include "parity.h"
 #include "crc.h"
 
-#define AUTHENTICATION_TIMEOUT 848			// card times out 1ms after wrong authentication (according to NXP documentation)
-#define PRE_AUTHENTICATION_LEADTIME 400		// some (non standard) cards need a pause after select before they are ready for first authentication
-
-
 // the block number for the ISO14443-4 PCB
 static uint8_t pcb_blocknum = 0;
 // Deselect card by sending a s-block. the crc is precalced for speed
@@ -961,24 +957,14 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 // MIFARE check keys. key count up to 85.
 //
 //-----------------------------------------------------------------------------
-void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
+void MifareChkKeys(uint16_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
 {
 	uint8_t blockNo = arg0 & 0xff;
 	uint8_t keyType = (arg0 >> 8) & 0xff;
-	bool clearTrace = arg1;
+	bool clearTrace = arg1 & 0x01;
+	bool multisectorCheck = arg1 & 0x02;
+	uint8_t set14aTimeout = (arg1 >> 8) & 0xff;
 	uint8_t keyCount = arg2;
-	uint64_t ui64Key = 0;
-
-	bool have_uid = false;
-	uint8_t cascade_levels = 0;
-	uint32_t timeout = 0;
-	int i;
-	byte_t isOK = 0;
-	uint8_t uid[10];
-	uint32_t cuid;
-	struct Crypto1State mpcs = {0, 0};
-	struct Crypto1State *pcs;
-	pcs = &mpcs;
 
 	// clear debug level
 	int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
@@ -992,53 +978,34 @@ void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	if (clearTrace) clear_trace();
 	set_tracing(true);
 
-	for (i = 0; i < keyCount; i++) {
-//		if(mifare_classic_halt(pcs, cuid)) {
-//			if (MF_DBGLEVEL >= 1)	Dbprintf("ChkKeys: Halt error");
-//		}
+	if (set14aTimeout){
+		iso14a_set_timeout(set14aTimeout * 10); // timeout: ms = x/106  35-minimum, 50-OK 106-recommended 500-safe
+	}
+	
+	if (multisectorCheck) {
+		TKeyIndex keyIndex = {{0}};
+		uint8_t sectorCnt = blockNo;
+		int res = MifareMultisectorChk(datain, keyCount, sectorCnt, keyType, OLD_MF_DBGLEVEL, &keyIndex);
 
-		// Iceman: use piwi's faster nonce collecting part in hardnested.
-		if (!have_uid) { // need a full select cycle to get the uid first
-			iso14a_card_select_t card_info;
-			if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0, true)) {
-				if (OLD_MF_DBGLEVEL >= 1) 	Dbprintf("ChkKeys: Can't select card");
-				--i; // try same key once again
-				continue;
-			}
-			switch (card_info.uidlen) {
-				case 4 : cascade_levels = 1; break;
-				case 7 : cascade_levels = 2; break;
-				case 10: cascade_levels = 3; break;
-				default: break;
-			}
-			have_uid = true;
-		} else { // no need for anticollision. We can directly select the card
-			if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels, true)) {
-				if (OLD_MF_DBGLEVEL >= 1)	Dbprintf("ChkKeys: Can't select card (UID)");
-				--i; // try same key once again
-				continue;
-			}
+		LED_B_ON();
+		if (res >= 0) {
+			cmd_send(CMD_ACK, 1, 0, 0, keyIndex, 80);
+		} else {
+			cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);
 		}
-
-		ui64Key = bytes_to_num(datain + i * 6, 6);
-		if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
-			uint8_t dummy_answer = 0;
-			ReaderTransmit(&dummy_answer, 1, NULL);
-			timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;
-
-			// wait for the card to become ready again
-			while(GetCountSspClk() < timeout);
-			continue;
+		LED_B_OFF();
+	} else {	
+		int res = MifareChkBlockKeys(datain, keyCount, blockNo, keyType, OLD_MF_DBGLEVEL);
+		
+		LED_B_ON();
+		if (res > 0) {
+			cmd_send(CMD_ACK, 1, 0, 0, datain + (res - 1) * 6, 6);
+		} else {
+			cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);
 		}
-
-		isOK = 1;
-		break;
+		LED_B_OFF();
 	}
 
-	LED_B_ON();
-    cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
-	LED_B_OFF();
-
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 	LEDsoff();
 
@@ -1543,6 +1510,14 @@ void MifareCIdent(){
 
 	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
 	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
+	
+	LED_A_ON();
+	LED_B_OFF();
+	LED_C_OFF();
+	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+
+	clear_trace();
+	set_tracing(true);	
 
 	ReaderTransmitBitsPar(wupC1,7,0, NULL);
 	if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == 0x0a)) {
@@ -1556,8 +1531,13 @@ void MifareCIdent(){
 
 	// From iceman1001: removed the if,  since some magic tags misbehavies and send an answer to it.
 	mifare_classic_halt(NULL, 0);
-
+	
+	LED_B_ON();
 	cmd_send(CMD_ACK,isOK,0,0,0,0);
+	LED_B_OFF();
+
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LEDsoff();	
 }
 
 //