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diff --git a/src/lib/util/encode/base32hex_from_binary.h b/src/lib/util/encode/base32hex_from_binary.h
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+++ b/src/lib/util/encode/base32hex_from_binary.h
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+#ifndef BOOST_ARCHIVE_ITERATORS_BASE32HEX_FROM_BINARY_HPP
+#define BOOST_ARCHIVE_ITERATORS_BASE32HEX_FROM_BINARY_HPP
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// base32hex_from_binary.h (derived from boost base64_from_binary.hpp)
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
+// Use, modification and distribution is subject to the Boost Software
+// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org for updates, documentation, and revision history.
+
+#include <exceptions/isc_assert.h>
+
+#include <cstddef> // size_t
+#include <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std{ 
+    using ::size_t; 
+} // namespace std
+#endif
+
+// We use the same boost header files used in "base64_from_".  Since the
+// precise path to these headers may vary depending on the boost version we
+// simply include the base64 header here.
+#include <boost/archive/iterators/base64_from_binary.hpp>
+
+namespace boost { 
+namespace archive {
+namespace iterators {
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// convert binary integers to base32hex characters
+
+namespace detail {
+
+template<class CharType>
+struct from_5_bit {
+    typedef CharType result_type;
+    CharType operator()(CharType t) const{
+        const char * lookup_table = 
+            "0123456789"
+            "ABCDEFGHIJKLMNOPQRSTUV";
+        isc_throw_assert(t < 32);
+        return (lookup_table[static_cast<size_t>(t)]);
+    }
+};
+
+} // namespace detail
+
+// note: what we would like to do is
+// template<class Base, class CharType = BOOST_DEDUCED_TYPENAME Base::value_type>
+//  typedef transform_iterator<
+//      from_5_bit<CharType>,
+//      transform_width<Base, 5, sizeof(Base::value_type) * 8, CharType>
+//  > base32hex_from_binary;
+// but C++ won't accept this.  Rather than using a "type generator" and
+// using a different syntax, make a derivation which should be equivalent.
+//
+// Another issue addressed here is that the transform_iterator doesn't have
+// a templated constructor.  This makes it incompatible with the dataflow
+// ideal.  This is also addressed here.
+
+//template<class Base, class CharType = BOOST_DEDUCED_TYPENAME Base::value_type>
+template<
+    class Base, 
+    class CharType = BOOST_DEDUCED_TYPENAME boost::iterator_value<Base>::type
+>
+class base32hex_from_binary : 
+    public transform_iterator<
+        detail::from_5_bit<CharType>,
+        Base
+    >
+{
+    friend class boost::iterator_core_access;
+    typedef transform_iterator<
+        BOOST_DEDUCED_TYPENAME detail::from_5_bit<CharType>,
+        Base
+    > super_t;
+
+public:
+    // make composable by using templated constructor
+    template<class T>
+    base32hex_from_binary(T start) :
+        super_t(
+            Base(static_cast<T>(start)),
+            detail::from_5_bit<CharType>()
+        )
+    {}
+    // intel 7.1 doesn't like default copy constructor
+    base32hex_from_binary(const base32hex_from_binary & rhs) : 
+        super_t(
+            Base(rhs.base_reference()),
+            detail::from_5_bit<CharType>()
+        )
+    {}
+//    base32hex_from_binary(){};
+};
+
+} // namespace iterators
+} // namespace archive
+} // namespace boost
+
+#endif // BOOST_ARCHIVE_ITERATORS_BASE32HEX_FROM_BINARY_HPP