X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a501c82b196b614295a6e3bf7481da84affb0d8e..49dc1d0a9eafdb1e369ead88c3c8882bc6959a17:/armsrc/epa.c

diff --git a/armsrc/epa.c b/armsrc/epa.c
index a3c6669e..9012bf11 100644
--- a/armsrc/epa.c
+++ b/armsrc/epa.c
@@ -15,6 +15,7 @@
 #include "epa.h"
 #include "../common/cmd.h"
 
+
 // Protocol and Parameter Selection Request
 // use regular (1x) speed in both directions
 // CRC is already included
@@ -108,9 +109,9 @@ size_t EPA_Parse_CardAccess(uint8_t *data,
 		if (data[index] == 0x31 || data[index] == 0x30) {
 			// enter the set (skip tag + length)
 			index += 2;
-			// extended length
+			// check for extended length
 			if ((data[index - 1] & 0x80) != 0) {
-				index += (data[index] & 0x7F);
+				index += (data[index-1] & 0x7F);
 			}
 		}
 		// OID
@@ -258,10 +259,6 @@ void EPA_PACE_Collect_Nonce(UsbCommand *c)
 		return;
 	}
 
-	// increase the timeout (at least some cards really do need this!)
-	iso14a_set_timeout(0x0002FFFF);
-	Dbprintf("epa: Epic!");
-	
 	// read the CardAccess file
 	// this array will hold the CardAccess file
 	uint8_t card_access[256] = {0};
@@ -423,89 +420,29 @@ int EPA_PACE_MSE_Set_AT(pace_version_info_t pace_version_info, uint8_t password)
 //-----------------------------------------------------------------------------
 int EPA_Setup()
 {
-	// return code
-	//int return_code = 0;
-	
-	// card UID
-	//uint8_t uid[10] = {0x00};
-	
+
+	int return_code = 0;
+	uint8_t uid[10];
+	uint8_t pps_response[3];
+	uint8_t pps_response_par[1];
+	iso14a_card_select_t card_select_info;
+
 	// power up the field
 	iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD);
-	iso14a_clear_trace();
-	iso14a_set_tracing(TRUE);
-	iso14a_set_timeout(10500);
-	
-	// card select information
-	byte_t cardbuf[USB_CMD_DATA_SIZE];
-	memset(cardbuf,0,USB_CMD_DATA_SIZE);
-	iso14a_card_select_t *card = (iso14a_card_select_t*)cardbuf;
 	
 	// select the card
-	// if (!iso14443a_select_card(uid, &card_info, NULL)) {
-		// Dbprintf("Epa: Can't select card");
-		// return -1;
-	// }
-	
-	uint8_t wupa[]     = { 0x26 };  // 0x26 - REQA  0x52 - WAKE-UP
-	uint8_t sel_all[]  = { 0x93,0x20 };
-	uint8_t sel_uid[]  = { 0x93,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-	uint8_t rats[]       = { 0xE0,0x81,0x00,0x00 }; // FSD=256, FSDI=8, CID=1
-	
-	uint8_t *resp = ((uint8_t *)BigBuf) + RECV_RESP_OFFSET;
-	uint8_t *resp_par = ((uint8_t *)BigBuf) + RECV_RESP_PAR_OFFSET;
-	
-	byte_t uid_resp[4];
-	size_t uid_resp_len = 4;
-
-	uint8_t sak = 0x04; // cascade uid
-	int len;
-	 
-	// Broadcast for a card, WUPA (0x52) will force response from all cards in the field
-    ReaderTransmitBitsPar(wupa,7,0, NULL);
-	
-	// Receive the ATQA
-	if(!ReaderReceive(resp, resp_par)) return -1;
-  
-    // SELECT_ALL
-    ReaderTransmit(sel_all,sizeof(sel_all), NULL);
-    if (!ReaderReceive(resp, resp_par)) return -1;
-	
-	// uid response from tag
-	memcpy(uid_resp,resp,uid_resp_len);
-
-	// Construct SELECT UID command
-	// transmitting a full UID (1 Byte cmd, 1 Byte NVB, 4 Byte UID, 1 Byte BCC, 2 Bytes CRC)
-    memcpy(sel_uid+2,uid_resp,4);										// the UID
-	sel_uid[6] = sel_uid[2] ^ sel_uid[3] ^ sel_uid[4] ^ sel_uid[5];  	// calculate and add BCC
-    AppendCrc14443a(sel_uid,7);											// calculate and add CRC
-    ReaderTransmit(sel_uid,sizeof(sel_uid), NULL);
-
-    // Receive the SAK
-    if (!ReaderReceive(resp, resp_par)) return -1;
-    sak = resp[0];
-	
-	// Request for answer to select
-	AppendCrc14443a(rats, 2);
-	ReaderTransmit(rats, sizeof(rats), NULL);
-
-	if ( !(len = ReaderReceive(resp, resp_par) )) return -1;
+	return_code = iso14443a_select_card(uid, &card_select_info, NULL);
+	if (return_code != 1) {
+		Dbprintf("Epa: Can't select card");
+		return 1;
+	}
 
-	// populate the collected data.
-    memcpy( card->uid, uid_resp, uid_resp_len);
-    card->uidlen += uid_resp_len;
-    card->sak = sak;
-    card->ats_len = len;
-    memcpy(card->ats, resp, sizeof(card->ats));
-	
-	
 	// send the PPS request
-	// ReaderTransmit((uint8_t *)pps, sizeof(pps), NULL);
-	// uint8_t pps_response[3];
-	// uint8_t pps_response_par[1];
-	// return_code = ReaderReceive(pps_response,pps_response_par);
-	// if (return_code != 3 || pps_response[0] != 0xD0) {
-		// return return_code == 0 ? 2 : return_code;
-	// }
+	ReaderTransmit((uint8_t *)pps, sizeof(pps), NULL);
+	return_code = ReaderReceive(pps_response, pps_response_par);
+	if (return_code != 3 || pps_response[0] != 0xD0) {
+		return return_code == 0 ? 2 : return_code;
+	}
 	
-	return -1;
+	return 0;
 }
\ No newline at end of file