diff --git a/include/polarssl/version.h b/include/polarssl/version.h
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--- /dev/null
+++ b/include/polarssl/version.h
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+/**
+ * \file version.h
+ *
+ *  Copyright (C) 2006-2010, Paul Bakker <polarssl_maintainer at polarssl.org>
+ *  All rights reserved.
+ *
+ *  This program 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.
+ *
+ *  This program 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 02110-1301 USA.
+ *
+ * This set of compile-time defines and run-time variables can be used to
+ * determine the version number of the PolarSSL library used.
+ */
+#ifndef POLARSSL_VERSION_H
+#define POLARSSL_VERSION_H
+
+#include "polarssl/config.h"
+
+/**
+ * The version number x.y.z is split into three parts.
+ * Major, Minor, Patchlevel
+ */
+#define POLARSSL_VERSION_MAJOR  0
+#define POLARSSL_VERSION_MINOR  13
+#define POLARSSL_VERSION_PATCH  1
+
+/**
+ * The single version number has the following structure:
+ *    MMNNPP00
+ *    Major version | Minor version | Patch version
+ */
+#define POLARSSL_VERSION_NUMBER         0x000D0100
+#define POLARSSL_VERSION_STRING         "0.13.1"
+#define POLARSSL_VERSION_STRING_FULL    "PolarSSL 0.13.1"
+
+#if defined(POLARSSL_VERSION_C)
+
+/**
+ * Get the version number.
+ *
+ * @return          The constructed version number in the format
+ *                  MMNNPP00 (Major, Minor, Patch).
+ */
+unsigned int version_get_number();
+
+/**
+ * Get the version string ("x.y.z").
+ *
+ * @param string    The string that will receive the value.
+ *                  (Should be at least 9 bytes in size)
+ */
+void version_get_string( char *string );
+
+/**
+ * Get the full version string ("PolarSSL x.y.z").
+ *
+ * @param string    The string that will receive the value.
+ *                  (Should be at least 18 bytes in size)
+ */
+void version_get_string_full( char *string );
+
+#endif /* POLARSSL_VERSION_C */
+
+#endif /* version.h */