fido fix (#775)

[proxmark3-svn] / client / emv / emvcore.c

diff --git a/client/emv/emvcore.c b/client/emv/emvcore.c
index 53559e85f0e899a3084745c0495d1bf1dbd7e15e..78a30206662ed873fa797bf7f06bd8c42aadf605 100644 (file)
--- a/client/emv/emvcore.c
+++ b/client/emv/emvcore.c
@@ -308,11 +308,11 @@ static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool Lea
                return 200;
        }
 
-       if (Result[*ResultLen-2] == 0x61) {
+/*     if (Result[*ResultLen-2] == 0x61) {
                uint8_t La = Result[*ResultLen-1];
                uint8_t get_response[5] = {apdu[0], ISO7816_GET_RESPONSE, 0x00, 0x00, La};
                return EMVExchangeEx(channel, false, LeaveFieldON, get_response, sizeof(get_response), Result, MaxResultLen, ResultLen, sw, tlv);
-       }
+       }*/
 
        *ResultLen -= 2;
        isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1];
@@ -346,7 +346,8 @@ int EMVExchange(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *apdu, int
                } else if (apdu_len > 5 && apdu_len == 5 + apdu[4] + 1) {
                        // there is Lc, data and Le
                } else {
-                       apdu_len++; // no Le, add Le = 0x00 because some vendors require it for contactless
+                       if (apdu[1] != 0xc0)
+                               apdu_len++; // no Le, add Le = 0x00 because some vendors require it for contactless
                }
        }
        return EMVExchangeEx(channel, false, LeaveFieldON, APDU, apdu_len, Result, MaxResultLen, ResultLen, sw, tlv);