X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a11ca2f3057416c07ca03b24ff16229f67d1b3f8..0cbe0cb8d6ab56fae79fd757b42b0667d37f48c8:/armsrc/hitag2.c

diff --git a/armsrc/hitag2.c b/armsrc/hitag2.c
index aef28e78..4596d3f1 100644
--- a/armsrc/hitag2.c
+++ b/armsrc/hitag2.c
@@ -712,7 +712,10 @@ void SnoopHitag(uint32_t type) {
 	size_t rxlen=0;
 	
 	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
-
+	
+	// free eventually allocated BigBuf memory
+	BigBuf_free(); BigBuf_Clear_ext(false);
+	
 	// Clean up trace and prepare it for storing frames
 	clear_trace();
 	set_tracing(TRUE);
@@ -720,7 +723,6 @@ void SnoopHitag(uint32_t type) {
 	auth_table_len = 0;
 	auth_table_pos = 0;
 
-	BigBuf_free();
     auth_table = (byte_t *)BigBuf_malloc(AUTH_TABLE_LENGTH);
 	memset(auth_table, 0x00, AUTH_TABLE_LENGTH);
 	
@@ -927,6 +929,9 @@ void SimulateHitagTag(bool tag_mem_supplied, byte_t* data) {
 	
 	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
 
+	// free eventually allocated BigBuf memory
+	BigBuf_free(); BigBuf_Clear_ext(false);
+
 	// Clean up trace and prepare it for storing frames
 	clear_trace();
 	set_tracing(TRUE);
@@ -934,7 +939,7 @@ void SimulateHitagTag(bool tag_mem_supplied, byte_t* data) {
 	auth_table_len = 0;
 	auth_table_pos = 0;
     byte_t* auth_table;
-	BigBuf_free();
+
     auth_table = (byte_t *)BigBuf_malloc(AUTH_TABLE_LENGTH);
 	memset(auth_table, 0x00, AUTH_TABLE_LENGTH);
 
@@ -1149,7 +1154,7 @@ void ReaderHitag(hitag_function htf, hitag_data* htd) {
       
 		case RHT2F_CRYPTO: {
 			DbpString("Authenticating using key:");
-			memcpy(key,htd->crypto.key,4);	  //HACK; 4 or 6??  I read both in the code.
+			memcpy(key,htd->crypto.key,6);	  //HACK; 4 or 6??  I read both in the code.
 			Dbhexdump(6,key,false);
 			blocknr = 0;
 			bQuiet = false;