+// ISO 7816-4 Basic interindustry commands. For command APDU's.
+#define ISO7816_READ_BINARY 0xB0
+#define ISO7816_WRITE_BINARY 0xD0
+#define ISO7816_UPDATE_BINARY 0xD6
+#define ISO7816_ERASE_BINARY 0x0E
+#define ISO7816_READ_RECORDS 0xB2
+#define ISO7816_WRITE_RECORDS 0xD2
+#define ISO7816_APPEND_RECORD 0xE2
+#define ISO7816_UPDATE_RECORD 0xDC
+#define ISO7816_GET_DATA 0xCA
+#define ISO7816_PUT_DATA 0xDA
+#define ISO7816_SELECT_FILE 0xA4
+#define ISO7816_VERIFY 0x20
+#define ISO7816_INTERNAL_AUTHENTICATION 0x88
+#define ISO7816_EXTERNAL_AUTHENTICATION 0x82
+#define ISO7816_GET_CHALLENGE 0xB4
+#define ISO7816_MANAGE_CHANNEL 0x70
+// ISO7816-4 For response APDU's
+#define ISO7816_OK 0x9000
+// 6x xx = ERROR
+
+
+