X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e7f43e92e9b8a8afe7aa235a34a70af59e8e6cea..da8279796e4438b19442fad89c31b4955751877e:/armsrc/mifarecmd.c

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index 46478735..f906099c 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -641,14 +641,17 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
 	LED_A_ON();
 	LED_C_OFF();
 
+	BigBuf_free(); BigBuf_Clear_ext(false);	
+	clear_trace();
+	set_tracing(FALSE);
+	
 	if (initialize) {
 		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
-		clear_trace();
-		set_tracing(true);
 	}
 	
 	LED_C_ON();
 	
+	uint8_t dummy_answer = 0;	
 	uint16_t num_nonces = 0;
 	bool have_uid = false;
 	for (uint16_t i = 0; i <= USB_CMD_DATA_SIZE - 9; ) {
@@ -699,7 +702,6 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
 		}
 	
 		// send a dummy byte as reader response in order to trigger the cards authentication timeout
-		uint8_t dummy_answer = 0;
 		ReaderTransmit(&dummy_answer, 1, NULL);
 		timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;
 		
@@ -708,7 +710,7 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
 			memcpy(buf+i, receivedAnswer, 4);
 			nt_par_enc = par_enc[0] & 0xf0;
 		} else {
-			nt_par_enc |= par_enc[0] >> 4;
+			nt_par_enc |= par_enc[0]  >> 4;
 			memcpy(buf+i+4, receivedAnswer, 4);
 			memcpy(buf+i+8, &nt_par_enc, 1);
 			i += 9;
@@ -718,9 +720,7 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
 	}
 
 	LED_C_OFF();
-	
-	crypto1_destroy(pcs);
-	
+	crypto1_destroy(pcs);	
 	LED_B_ON();
 	cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));
 	LED_B_OFF();