--- libaitio/inc/aitio.h	2019/10/08 12:58:55	1.42.2.1
+++ libaitio/inc/aitio.h	2019/10/08 13:00:42	1.42.2.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.42.2.1 2019/10/08 12:58:55 misho Exp $
+* $Id: aitio.h,v 1.42.2.2 2019/10/08 13:00:42 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -12,7 +12,7 @@ terms:
 All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
 
-Copyright 2004 - 2016
+Copyright 2004 - 2019
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -71,6 +71,7 @@ SUCH DAMAGE.
 #include <aitsched.h>
 
 
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
 #ifndef evp_cipher_ctx_st
 struct evp_cipher_ctx_st {
     const EVP_CIPHER *cipher;
@@ -91,6 +92,7 @@ struct evp_cipher_ctx_st {
     int block_mask;
     unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */
 } /* EVP_CIPHER_CTX */ ;
+#endif
 #endif
 
 #ifndef STRSIZ