From 78528074b102f8f29d9608049a058c52bedf0b77 Mon Sep 17 00:00:00 2001
From: merlokk <olegmsn@gmail.com>
Date: Sat, 25 Nov 2017 21:17:56 +0200
Subject: [PATCH] optimization UDOL creation. does not affect on functionality.
---
client/emv/cmdemv.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
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;
--
2.39.5