#define ISO7816_VERIFY 0x20
#define ISO7816_INTERNAL_AUTHENTICATION 0x88
#define ISO7816_EXTERNAL_AUTHENTICATION 0x82
-#define ISO7816_GET_CHALLENGE 0xB4
+#define ISO7816_GET_CHALLENGE 0x84
#define ISO7816_MANAGE_CHANNEL 0x70
-#define ISO7816_GETSTATUS 0xC0
+#define ISO7816_GET_RESPONSE 0xC0
// ISO7816-4 For response APDU's
#define ISO7816_OK 0x9000
// 6x xx = ERROR
+#define ISO7816_MAX_FRAME_SIZE 261