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diff --git a/libs/px5g/src/polarssl/havege.h b/libs/px5g/src/polarssl/havege.h
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+++ b/libs/px5g/src/polarssl/havege.h
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+/**
+ * \file havege.h
+ *
+ *  Based on XySSL: Copyright (C) 2006-2008  Christophe Devine
+ *
+ *  Copyright (C) 2009  Paul Bakker <polarssl_maintainer at polarssl dot org>
+ *
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *  
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * Neither the names of PolarSSL or XySSL nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *  
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef POLARSSL_HAVEGE_H
+#define POLARSSL_HAVEGE_H
+
+#define COLLECT_SIZE 1024
+
+/**
+ * \brief          HAVEGE state structure
+ */
+typedef struct
+{
+    int PT1, PT2, offset[2];
+    int pool[COLLECT_SIZE];
+    int WALK[8192];
+}
+havege_state;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief          HAVEGE initialization
+ *
+ * \param hs       HAVEGE state to be initialized
+ */
+void havege_init( havege_state *hs );
+
+/**
+ * \brief          HAVEGE rand function
+ *
+ * \param rng_st   points to an HAVEGE state
+ *
+ * \return         A random int
+ */
+int havege_rand( void *p_rng );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* havege.h */