security: Add AdditionalInfo into SignatureInfo
Change-Id: I5e5c85b09b7a00ef4182bec3267e444f33a706ff
Refs: #3058
diff --git a/src/security/additional-description.hpp b/src/security/additional-description.hpp
new file mode 100644
index 0000000..b34cb74
--- /dev/null
+++ b/src/security/additional-description.hpp
@@ -0,0 +1,131 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2015 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx 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 copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#ifndef NDN_SECURITY_ADDITIONAL_DESCRIPTION_HPP
+#define NDN_SECURITY_ADDITIONAL_DESCRIPTION_HPP
+
+#include "../common.hpp"
+#include "../encoding/tlv.hpp"
+#include "../encoding/block.hpp"
+#include <map>
+
+namespace ndn {
+namespace security {
+
+/**
+ * @brief Abstraction of AdditionalDescription
+ * @sa docs/tutorials/certificate-format.rst
+ */
+class AdditionalDescription
+{
+public:
+ class Error : public tlv::Error
+ {
+ public:
+ explicit
+ Error(const std::string& what)
+ : tlv::Error(what)
+ {
+ }
+ };
+
+ typedef std::map<std::string, std::string>::iterator iterator;
+ typedef std::map<std::string, std::string>::const_iterator const_iterator;
+
+public:
+
+ /**
+ * @brief Create an empty AdditionalDescription
+ */
+ AdditionalDescription() = default;
+
+ /**
+ * @brief Create AdditionalDescription from @p block
+ */
+ explicit
+ AdditionalDescription(const Block& block);
+
+ const std::string&
+ get(const std::string& key) const;
+
+ void
+ set(const std::string& key, const std::string& value);
+
+ bool
+ has(const std::string& key) const;
+
+ size_t
+ size() const
+ {
+ return m_info.size();
+ }
+
+ iterator
+ begin();
+
+ iterator
+ end();
+
+ const_iterator
+ begin() const;
+
+ const_iterator
+ end() const;
+
+ /** @brief Fast encoding or block size estimation
+ */
+ template<encoding::Tag TAG>
+ size_t
+ wireEncode(EncodingImpl<TAG>& encoder) const;
+
+ /** @brief Encode ValidityPeriod into TLV block
+ */
+ const Block&
+ wireEncode() const;
+
+ /** @brief Decode ValidityPeriod from TLV block
+ * @throw Error when an invalid TLV block supplied
+ */
+ void
+ wireDecode(const Block& wire);
+
+public: // EqualityComparable concept
+
+ bool
+ operator==(const AdditionalDescription& other) const;
+
+ bool
+ operator!=(const AdditionalDescription& other) const;
+
+private:
+
+ std::map<std::string, std::string> m_info;
+
+ mutable Block m_wire;
+};
+
+std::ostream&
+operator<<(std::ostream& os, const AdditionalDescription& period);
+
+} // namespace security
+} // namespace ndn
+
+#endif // NDN_SECURITY_ADDITIONAL_DESCRIPTION_HPP