Index: cackey.c
==================================================================
--- cackey.c
+++ cackey.c
@@ -158,12 +158,13 @@
 #define GSCIS_TAG_CERT_EXPIRE_DATE    0x72
 
 /** Applet IDs **/
 #define GSCIS_AID_CCC                 0xA0, 0x00, 0x00, 0x01, 0x16, 0xDB, 0x00
 
-/* Do not set this above 252 */
-#define CACKEY_APDU_MTU               128
+/* Maximum size of data portion of APDUs */
+/** Do not set this above 250 **/
+#define CACKEY_APDU_MTU               250
 
 #ifdef CACKEY_DEBUG
 
 #  define CACKEY_DEBUG_PRINTF(x...) { fprintf(stderr, "%s():%i: ", __func__, __LINE__); fprintf(stderr, x); fprintf(stderr, "\n"); fflush(stderr); }
 #  define CACKEY_DEBUG_PRINTBUF(f, x, y) { unsigned char *TMPBUF; unsigned long idx; TMPBUF = (unsigned char *) (x); fprintf(stderr, "%s():%i: %s  (%s/%lu = {%02x", __func__, __LINE__, f, #x, (unsigned long) (y), TMPBUF[0]); for (idx = 1; idx < (y); idx++) { fprintf(stderr, ", %02x", TMPBUF[idx]); }; fprintf(stderr, "})\n"); fflush(stderr); }
@@ -1071,16 +1072,10 @@
 		CACKEY_DEBUG_PRINTBUF("Sending APDU:", xmit_buf, xmit_len);
 	}
 
 	recv_len = sizeof(recv_buf);
 	scard_xmit_ret = SCardTransmit(slot->pcsc_card, SCARD_PCI_T0, xmit_buf, xmit_len, SCARD_PCI_T1, recv_buf, &recv_len);
-	if (scard_xmit_ret == SCARD_E_NOT_TRANSACTED) {
-		CACKEY_DEBUG_PRINTF("Failed to send APDU to card (SCardTransmit() = SCARD_E_NOT_TRANSACTED), retrying...");
-
-		recv_len = sizeof(recv_buf);
-		scard_xmit_ret = SCardTransmit(slot->pcsc_card, SCARD_PCI_T0, xmit_buf, xmit_len, SCARD_PCI_T1, recv_buf, &recv_len);
-	}
 	if (scard_xmit_ret != SCARD_S_SUCCESS) {
 		CACKEY_DEBUG_PRINTF("Failed to send APDU to card (SCardTransmit() = %s/%lx)", CACKEY_DEBUG_FUNC_SCARDERR_TO_STR(scard_xmit_ret), (unsigned long) scard_xmit_ret);
 		CACKEY_DEBUG_PRINTF("Marking slot as having been reset");
 
 		slot->transaction_depth = 0;