diff --git a/model/ccn_random.h b/model/ccn_random.h
new file mode 100644
index 0000000..5a576c0
--- /dev/null
+++ b/model/ccn_random.h
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+/*
+ *  ccn_random.h
+ *  Abstraction
+ *
+ *  Created by Ilya on 7/29/11.
+ *  Copyright 2011 __MyCompanyName__. All rights reserved.
+ *
+ */
+
+/**
+ * @file random.h
+ * @brief Pseudo-random number generation
+ * 
+ * Part of the CCNx C Library.
+ *
+ * Copyright (C) 2010 Palo Alto Research Center, Inc.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License version 2.1
+ * as published by the Free Software Foundation.
+ * This library 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
+ * Lesser General Public License for more details. You should have received
+ * a copy of the GNU Lesser General Public License along with this library;
+ * if not, write to the Free Software Foundation, Inc., 51 Franklin Street,
+ * Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef CCN_RANDOM_DEFINED
+#define CCN_RANDOM_DEFINED
+
+#include <stddef.h>
+#include <openssl/rand.h>
+
+void ccn_random_bytes(unsigned char *buf, size_t size);
+void ccn_add_entropy(const void *buf, size_t size, int bits_of_entropy);
+
+#endif