zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libwolfssl/install/include/cyassl/ctaocrypt/dh.h b/ap/lib/libwolfssl/install/include/cyassl/ctaocrypt/dh.h
new file mode 100644
index 0000000..5cf5849
--- /dev/null
+++ b/ap/lib/libwolfssl/install/include/cyassl/ctaocrypt/dh.h
@@ -0,0 +1,42 @@
+/* dh.h
+ *
+ * Copyright (C) 2006-2021 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
+
+
+
+#ifndef NO_DH
+
+#ifndef CTAO_CRYPT_DH_H
+#define CTAO_CRYPT_DH_H
+
+/* for dh reverse compatibility */
+#include <wolfssl/wolfcrypt/dh.h>
+#define InitDhKey         wc_InitDhKey
+#define FreeDhKey         wc_FreeDhKey
+#define DhGenerateKeyPair wc_DhGenerateKeyPair
+#define DhAgree           wc_DhAgree
+#define DhKeyDecode       wc_DhKeyDecode
+#define DhSetKey          wc_DhSetKey
+#define DhParamsLoad      wc_DhParamsLoad
+
+#endif /* CTAO_CRYPT_DH_H */
+
+#endif /* NO_DH */
+