From: merlokk <olegmsn@gmail.com>
Date: Sat, 25 Nov 2017 19:17:56 +0000 (+0200)
Subject: optimization UDOL creation. does not affect on functionality.
X-Git-Tag: v3.1.0~112^2
X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/78528074b102f8f29d9608049a058c52bedf0b77?hp=-c

optimization UDOL creation. does not affect on functionality.
---

78528074b102f8f29d9608049a058c52bedf0b77
diff --git a/client/emv/cmdemv.c b/client/emv/cmdemv.c
index da444a26..b188555e 100644
--- a/client/emv/cmdemv.c
+++ b/client/emv/cmdemv.c
@@ -629,23 +629,12 @@ int CmdHFEMVExec(const char *cmd) {
 					PrintAndLog("ERROR: can't create UDOL TLV.");
 					return 4;
 				}
-				
-				size_t udol_data_tlv_data_len;
-				unsigned char *udol_data_tlv_data = tlv_encode(udol_data_tlv, &udol_data_tlv_data_len);
-				if (!udol_data_tlv_data) {
-					PrintAndLog("ERROR: can't create UDOL data.");
-					return 4;
-				}
 
-				// eliminate fake tag
-				udol_data_tlv_data_len -= 2;
-				udol_data_tlv_data += 2;
-				
-				PrintAndLog("UDOL data[%d]: %s", udol_data_tlv_data_len, sprint_hex(udol_data_tlv_data, udol_data_tlv_data_len));
+				PrintAndLog("UDOL data[%d]: %s", udol_data_tlv->len, sprint_hex(udol_data_tlv->value, udol_data_tlv->len));
 				
 				PrintAndLog("\n* Mastercard compute cryptographic checksum(UDOL)");
 				
-				res = MSCComputeCryptoChecksum(true, udol_data_tlv_data, udol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
+				res = MSCComputeCryptoChecksum(true, (uint8_t *)udol_data_tlv->value, udol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
 				if (res) {
 					PrintAndLog("ERROR Compute Crypto Checksum. APDU error %4x", sw);
 					return 5;