X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/53d5dc643f592124676b4290c8f81e6039e9abc7..03d73c0b8d3fdacfda8d5fbc696c28f39655db62:/armsrc/mifareutil.c

diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index 4795a7ec..4100ef54 100644
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -121,7 +121,10 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
 
 	// "random" reader nonce:
 	//byte_t nr[4] = {0x55, 0x41, 0x49, 0x92};
-	byte_t nr[4] = {0x01, 0x01, 0x01, 0x01};
+	fast_prand();
+	byte_t nr[4];
+	num_to_bytes(prand(), 4, nr);
+	//byte_t nr[4] = {0x01, 0x01, 0x01, 0x01};
 	
 	uint32_t nt, ntpp; // Supplied tag nonce