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diff --git a/modules/ssl/ssl_util_ssl.h b/modules/ssl/ssl_util_ssl.h
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @verbatim
+                        _             _
+    _ __ ___   ___   __| |    ___ ___| |  mod_ssl
+   | '_ ` _ \ / _ \ / _` |   / __/ __| |  Apache Interface to OpenSSL
+   | | | | | | (_) | (_| |   \__ \__ \ |
+   |_| |_| |_|\___/ \__,_|___|___/___/_|
+                        |_____|
+   @endverbatim
+ * @file  ssl_util_ssl.h
+ * @brief Additional Utility Functions for OpenSSL
+ *
+ * @defgroup MOD_SSL_UTIL Utilities
+ * @ingroup MOD_SSL
+ * @{
+ */
+
+#ifndef __SSL_UTIL_SSL_H__
+#define __SSL_UTIL_SSL_H__
+
+/**
+ * SSL library version number
+ */
+
+#define MODSSL_LIBRARY_VERSION OPENSSL_VERSION_NUMBER
+#define MODSSL_LIBRARY_NAME    "OpenSSL"
+#define MODSSL_LIBRARY_TEXT    OPENSSL_VERSION_TEXT
+#if MODSSL_USE_OPENSSL_PRE_1_1_API
+#define MODSSL_LIBRARY_DYNTEXT SSLeay_version(SSLEAY_VERSION)
+#else
+#define MODSSL_LIBRARY_DYNTEXT OpenSSL_version(OPENSSL_VERSION)
+#endif
+
+/**
+ *  Maximum length of a DER encoded session.
+ *  FIXME: There is no define in OpenSSL, but OpenSSL uses 1024*10,
+ *         so this value should be ok. Although we have no warm feeling.
+ */
+#define MODSSL_SESSION_MAX_DER 1024*10
+
+/** max length for modssl_SSL_SESSION_id2sz */
+#define MODSSL_SESSION_ID_STRING_LEN \
+    ((SSL_MAX_SSL_SESSION_ID_LENGTH + 1) * 2)
+
+/**
+ *  Additional Functions
+ */
+void        modssl_init_app_data2_idx(void);
+void       *modssl_get_app_data2(SSL *);
+void        modssl_set_app_data2(SSL *, void *);
+EVP_PKEY   *modssl_read_privatekey(const char *, EVP_PKEY **, pem_password_cb *, void *);
+EVP_PKEY   *modssl_read_encrypted_pkey(const char *, EVP_PKEY **, const char *, apr_size_t);
+int         modssl_smart_shutdown(SSL *ssl);
+BOOL        modssl_X509_getBC(X509 *, int *, int *);
+char       *modssl_X509_NAME_ENTRY_to_string(apr_pool_t *p, X509_NAME_ENTRY *xsne,
+                                             int raw);
+char       *modssl_X509_NAME_to_string(apr_pool_t *, X509_NAME *, int);
+BOOL        modssl_X509_getSAN(apr_pool_t *, X509 *, int, const char *, int, apr_array_header_t **);
+BOOL        modssl_X509_match_name(apr_pool_t *, X509 *, const char *, BOOL, server_rec *);
+char       *modssl_SSL_SESSION_id2sz(IDCONST unsigned char *, int, char *, int);
+
+#endif /* __SSL_UTIL_SSL_H__ */
+/** @} */
+