security: Added headers for der encoding. Added CertificateExtension and CertificateSubjectDescription.
diff --git a/ndn-cpp/encoding/der/der.hpp b/ndn-cpp/encoding/der/der.hpp
new file mode 100644
index 0000000..82089d6
--- /dev/null
+++ b/ndn-cpp/encoding/der/der.hpp
@@ -0,0 +1,385 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_DER_HPP
+#define NDN_DER_HPP
+
+#include <vector>
+#include <string>
+#include <istream>
+#include <ostream>
+#include <sstream>
+
+#include <ndn-cpp/common.hpp>
+#include <ndn-cpp/encoding/oid.hpp>
+
+#include "visitor/visitor.hpp"
+#include "visitor/void-visitor.hpp"
+#include "visitor/no-arguments-visitor.hpp"
+#include "visitor/void-no-arguments-visitor.hpp"
+
+namespace ndn {
+
+// TODO: Implement Time values.
+class Time;
+
+namespace der {
+
+enum DerType {
+ DER_EOC = 0,
+ DER_BOOLEAN = 1,
+ DER_INTEGER = 2,
+ DER_BIT_STRING = 3,
+ DER_OCTET_STRING = 4,
+ DER_NULL = 5,
+ DER_OBJECT_IDENTIFIER = 6,
+ DER_OBJECT_DESCRIPTOR = 7,
+ DER_EXTERNAL = 40,
+ DER_REAL = 9,
+ DER_ENUMERATED = 10,
+ DER_EMBEDDED_PDV = 43,
+ DER_UTF8_STRING = 12,
+ DER_RELATIVE_OID = 13,
+ DER_SEQUENCE = 48,
+ DER_SET = 49,
+ DER_NUMERIC_STRING = 18,
+ DER_PRINTABLE_STRING = 19,
+ DER_T61_STRING = 20,
+ DER_VIDEOTEX_STRING = 21,
+ DER_IA5_STRING = 22,
+ DER_UTC_TIME = 23,
+ DER_GENERALIZED_TIME = 24,
+ DER_GRAPHIC_STRING = 25,
+ DER_VISIBLE_STRING = 26,
+ DER_GENERAL_STRING = 27,
+ DER_UNIVERSAL_STRING = 28,
+ DER_CHARACTER_STRING = 29,
+ DER_BMP_STRING = 30,
+};
+
+class DerComplex;
+
+class DerNode
+{
+public:
+ DerNode();
+
+ DerNode(DerType type);
+
+ DerNode(std::istream& start);
+
+ virtual
+ ~DerNode();
+
+ virtual int
+ getSize() { return m_header.size() + m_payload.size(); }
+
+ virtual void
+ encode(std::ostream& start);
+
+ void
+ setParent(DerComplex * parent) { m_parent = parent; }
+
+ static ptr_lib::shared_ptr<DerNode>
+ parse(std::istream& start);
+
+ const std::vector<uint8_t>&
+ getHeader() const { return m_header; }
+
+ std::vector<uint8_t>&
+ getHeader() { return m_header; }
+
+ const std::vector<uint8_t>&
+ getPayload() const { return m_payload; }
+
+ std::vector<uint8_t>&
+ getPayload() { return m_payload; }
+
+ const DerType&
+ getType() { return m_type; }
+
+ virtual ptr_lib::shared_ptr<std::vector<uint8_t> >
+ getRaw()
+ {
+ ptr_lib::shared_ptr<std::vector<uint8_t> > blob(new std::vector<uint8_t>());
+ blob->insert(blob->end(), m_header.begin(), m_header.end());
+ blob->insert(blob->end(), m_payload.begin(), m_payload.end());
+
+ return blob;
+ }
+
+ virtual void accept(VoidNoArgumentsVisitor& visitor) = 0;
+ virtual void accept(VoidVisitor& visitor, Any param) = 0;
+ virtual Any accept(NoArgumentsVisitor& visitor) = 0;
+ virtual Any accept(Visitor& visitor, Any param) = 0;
+
+protected:
+ void
+ decode(std::istream& start);
+
+ void
+ encodeHeader(int size);
+
+ int
+ decodeHeader(std::istream& start);
+
+protected:
+ DerType m_type;
+ std::vector<uint8_t> m_header;
+ std::vector<uint8_t> m_payload;
+ DerComplex * m_parent;
+};
+
+
+typedef std::vector<ptr_lib::shared_ptr<DerNode> > DerNodePtrList;
+
+class DerComplex : public DerNode
+{
+public:
+ DerComplex();
+
+ DerComplex(DerType type);
+
+ DerComplex(std::istream& start);
+
+ virtual
+ ~DerComplex();
+
+ virtual int
+ getSize();
+
+ void
+ addChild(ptr_lib::shared_ptr<DerNode> nodePtr, bool notifyParent = true);
+
+ virtual void
+ encode(std::ostream& start);
+
+ const DerNodePtrList&
+ getChildren() const { return m_nodeList; }
+
+ DerNodePtrList&
+ getChildren() { return m_nodeList; }
+
+ virtual ptr_lib::shared_ptr<std::vector<uint8_t> >
+ getRaw();
+
+private:
+ void
+ updateSize();
+
+ void
+ setChildChanged();
+
+private:
+ bool m_childChanged;
+ int m_size;
+ DerNodePtrList m_nodeList;
+};
+
+
+
+class DerByteString : public DerNode
+{
+public:
+ DerByteString(const std::string& str, DerType type);
+
+ DerByteString(const std::vector<uint8_t>& blob, DerType type);
+
+ DerByteString(std::istream& start);
+
+ virtual
+ ~DerByteString();
+};
+
+
+//0x01
+class DerBool : public DerNode
+{
+public:
+ DerBool(bool value);
+
+ DerBool(std::istream& start);
+
+ virtual
+ ~DerBool();
+
+ virtual void accept(VoidNoArgumentsVisitor& visitor) { visitor.visit(*this); }
+ virtual void accept(VoidVisitor& visitor, Any param) { visitor.visit(*this, param); }
+ virtual Any accept(NoArgumentsVisitor& visitor) { return visitor.visit(*this); }
+ virtual Any accept(Visitor& visitor, Any param) { return visitor.visit(*this, param); }
+
+};
+
+//0x02
+class DerInteger : public DerNode
+{
+public:
+ DerInteger(const std::vector<uint8_t>& blob);
+
+ DerInteger(std::istream& start);
+
+ virtual
+ ~DerInteger();
+
+ virtual void accept(VoidNoArgumentsVisitor& visitor) { visitor.visit(*this); }
+ virtual void accept(VoidVisitor& visitor, Any param) { visitor.visit(*this, param); }
+ virtual Any accept(NoArgumentsVisitor& visitor) { return visitor.visit(*this); }
+ virtual Any accept(Visitor& visitor, Any param) { return visitor.visit(*this, param); }
+
+};
+
+//0x03
+class DerBitString : public DerNode
+{
+public:
+ DerBitString(const std::vector<uint8_t>& blob, uint8_t paddingLen);
+
+ DerBitString(std::istream& start);
+
+ virtual
+ ~DerBitString();
+
+ virtual void accept(VoidNoArgumentsVisitor& visitor) { visitor.visit(*this); }
+ virtual void accept(VoidVisitor& visitor, Any param) { visitor.visit(*this, param); }
+ virtual Any accept(NoArgumentsVisitor& visitor) { return visitor.visit(*this); }
+ virtual Any accept(Visitor& visitor, Any param) { return visitor.visit(*this, param); }
+
+};
+
+//0x04
+class DerOctetString : public DerByteString
+{
+public:
+ DerOctetString(const std::string& str);
+
+ DerOctetString(const std::vector<uint8_t>& blob);
+
+ DerOctetString(std::istream& start);
+
+ virtual
+ ~DerOctetString();
+
+ virtual void accept(VoidNoArgumentsVisitor& visitor) { visitor.visit(*this); }
+ virtual void accept(VoidVisitor& visitor, Any param) { visitor.visit(*this, param); }
+ virtual Any accept(NoArgumentsVisitor& visitor) { return visitor.visit(*this); }
+ virtual Any accept(Visitor& visitor, Any param) { return visitor.visit(*this, param); }
+
+};
+
+
+//0x05
+class DerNull : public DerNode
+{
+public:
+ DerNull();
+
+ DerNull(std::istream& start);
+
+ virtual
+ ~DerNull();
+
+ virtual void accept(VoidNoArgumentsVisitor& visitor) { visitor.visit(*this); }
+ virtual void accept(VoidVisitor& visitor, Any param) { visitor.visit(*this, param); }
+ virtual Any accept(NoArgumentsVisitor& visitor) { return visitor.visit(*this); }
+ virtual Any accept(Visitor& visitor, Any param) { return visitor.visit(*this, param); }
+
+};
+
+
+//0x06
+class DerOid : public DerNode
+{
+public:
+ DerOid(const OID& oid);
+
+ DerOid(const std::string& oidStr);
+
+ DerOid(const std::vector<int>& value);
+
+ DerOid(std::istream& start);
+
+ virtual
+ ~DerOid();
+
+ virtual void accept(VoidNoArgumentsVisitor& visitor) { visitor.visit(*this); }
+ virtual void accept(VoidVisitor& visitor, Any param) { visitor.visit(*this, param); }
+ virtual Any accept(NoArgumentsVisitor& visitor) { return visitor.visit(*this); }
+ virtual Any accept(Visitor& visitor, Any param) { return visitor.visit(*this, param); }
+
+ int
+ decode128(int& offset);
+
+private:
+ void
+ prepareEncoding(const std::vector<int>& value);
+
+ void
+ encode128(int value, std::ostringstream& os);
+};
+
+
+//0x10
+class DerSequence : public DerComplex
+{
+public:
+ DerSequence();
+
+ DerSequence(std::istream& start);
+
+ virtual
+ ~DerSequence();
+
+ virtual void accept(VoidNoArgumentsVisitor& visitor) { visitor.visit(*this); }
+ virtual void accept(VoidVisitor& visitor, Any param) { visitor.visit(*this, param); }
+ virtual Any accept(NoArgumentsVisitor& visitor) { return visitor.visit(*this); }
+ virtual Any accept(Visitor& visitor, Any param) { return visitor.visit(*this, param); }
+
+};
+
+//0x13
+class DerPrintableString : public DerByteString
+{
+public:
+ DerPrintableString(const std::string& str);
+
+ DerPrintableString(const std::vector<uint8_t>& blob);
+
+ DerPrintableString(std::istream& start);
+
+ virtual
+ ~DerPrintableString();
+
+ virtual void accept(VoidNoArgumentsVisitor& visitor) { visitor.visit(*this); }
+ virtual void accept(VoidVisitor& visitor, Any param) { visitor.visit(*this, param); }
+ virtual Any accept(NoArgumentsVisitor& visitor) { return visitor.visit(*this); }
+ virtual Any accept(Visitor& visitor, Any param) { return visitor.visit(*this, param); }
+};
+
+//0x1b
+class DerGtime : public DerNode
+{
+public:
+ DerGtime(const Time& time);
+
+ DerGtime(std::istream& start);
+
+ virtual
+ ~DerGtime();
+
+ virtual void accept(VoidNoArgumentsVisitor& visitor) { visitor.visit(*this); }
+ virtual void accept(VoidVisitor& visitor, Any param) { visitor.visit(*this, param); }
+ virtual Any accept(NoArgumentsVisitor& visitor) { return visitor.visit(*this); }
+ virtual Any accept(Visitor& visitor, Any param) { return visitor.visit(*this, param); }
+
+};
+
+} // der
+
+}
+
+#endif
diff --git a/ndn-cpp/encoding/der/visitor/no-arguments-visitor.hpp b/ndn-cpp/encoding/der/visitor/no-arguments-visitor.hpp
new file mode 100644
index 0000000..61b0a65
--- /dev/null
+++ b/ndn-cpp/encoding/der/visitor/no-arguments-visitor.hpp
@@ -0,0 +1,36 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_DER_NO_ARGUMENTS_VISITOR_HPP
+#define NDN_DER_NO_ARGUMENTS_VISITOR_HPP
+
+#include "visitor.hpp"
+
+namespace ndn {
+
+namespace der {
+
+class NoArgumentsVisitor
+{
+public:
+ virtual Any visit(DerBool& ) = 0;
+ virtual Any visit(DerInteger& ) = 0;
+ virtual Any visit(DerPrintableString&) = 0;
+ virtual Any visit(DerBitString& ) = 0;
+ virtual Any visit(DerNull& ) = 0;
+ virtual Any visit(DerOctetString& ) = 0;
+ virtual Any visit(DerOid& ) = 0;
+ virtual Any visit(DerSequence& ) = 0;
+ virtual Any visit(DerGtime& ) = 0;
+};
+
+} // der
+
+}
+
+#endif
diff --git a/ndn-cpp/encoding/der/visitor/simple-visitor.hpp b/ndn-cpp/encoding/der/visitor/simple-visitor.hpp
new file mode 100644
index 0000000..4ec3a8c
--- /dev/null
+++ b/ndn-cpp/encoding/der/visitor/simple-visitor.hpp
@@ -0,0 +1,36 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_DER_SIMPLE_VISITOR_HPP
+#define NDN_DER_SIMPLE_VISITOR_HPP
+
+#include "no-arguments-visitor.hpp"
+
+namespace ndn {
+
+namespace der {
+
+class NoArgumentsVisitor : public NoArgumentsVisitor
+{
+public:
+ virtual Any visit(DerBool& ) = 0;
+ virtual Any visit(DerInteger& ) = 0;
+ virtual Any visit(DerPrintableString&) = 0;
+ virtual Any visit(DerBitString& ) = 0;
+ virtual Any visit(DerNull& ) = 0;
+ virtual Any visit(DerOctetString& ) = 0;
+ virtual Any visit(DerOid& ) = 0;
+ virtual Any visit(DerSequence& ) = 0;
+ virtual Any visit(DerGtime& ) = 0;
+};
+
+} // der
+
+}
+
+#endif
diff --git a/ndn-cpp/encoding/der/visitor/visitor.hpp b/ndn-cpp/encoding/der/visitor/visitor.hpp
new file mode 100644
index 0000000..a251701
--- /dev/null
+++ b/ndn-cpp/encoding/der/visitor/visitor.hpp
@@ -0,0 +1,47 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_DER_VISITOR_HPP
+#define NDN_DER_VISITOR_HPP
+
+namespace ndn {
+
+namespace der {
+
+// TODO: We want to implement an any type, but avoid boost::any which is not in the C++ standard library.
+typedef void *Any;
+
+class DerBool;
+class DerInteger;
+class DerPrintableString;
+class DerBitString;
+class DerNull;
+class DerOctetString;
+class DerOid;
+class DerSequence;
+class DerGtime;
+
+class Visitor
+{
+public:
+ virtual Any visit(DerBool&, Any) = 0;
+ virtual Any visit(DerInteger&, Any) = 0;
+ virtual Any visit(DerPrintableString&, Any) = 0;
+ virtual Any visit(DerBitString&, Any) = 0;
+ virtual Any visit(DerNull&, Any) = 0;
+ virtual Any visit(DerOctetString&, Any) = 0;
+ virtual Any visit(DerOid&, Any) = 0;
+ virtual Any visit(DerSequence&, Any) = 0;
+ virtual Any visit(DerGtime&, Any) = 0;
+};
+
+} // der
+
+}
+
+#endif
diff --git a/ndn-cpp/encoding/der/visitor/void-no-arguments-visitor.hpp b/ndn-cpp/encoding/der/visitor/void-no-arguments-visitor.hpp
new file mode 100644
index 0000000..7e60d38
--- /dev/null
+++ b/ndn-cpp/encoding/der/visitor/void-no-arguments-visitor.hpp
@@ -0,0 +1,36 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_DER_VOID_NO_ARGUMENTS_VISITOR_HPP
+#define NDN_DER_VOID_NO_ARGUMENTS_VISITOR_HPP
+
+#include "visitor.hpp"
+
+namespace ndn {
+
+namespace der {
+
+class VoidNoArgumentsVisitor
+{
+public:
+ virtual void visit(DerBool& ) = 0;
+ virtual void visit(DerInteger& ) = 0;
+ virtual void visit(DerPrintableString&) = 0;
+ virtual void visit(DerBitString& ) = 0;
+ virtual void visit(DerNull& ) = 0;
+ virtual void visit(DerOctetString& ) = 0;
+ virtual void visit(DerOid& ) = 0;
+ virtual void visit(DerSequence& ) = 0;
+ virtual void visit(DerGtime& ) = 0;
+};
+
+} // der
+
+}
+
+#endif
diff --git a/ndn-cpp/encoding/der/visitor/void-visitor.hpp b/ndn-cpp/encoding/der/visitor/void-visitor.hpp
new file mode 100644
index 0000000..a041c10
--- /dev/null
+++ b/ndn-cpp/encoding/der/visitor/void-visitor.hpp
@@ -0,0 +1,36 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_DER_VOID_VISITOR_HPP
+#define NDN_DER_VOID_VISITOR_HPP
+
+#include "visitor.hpp"
+
+namespace ndn {
+
+namespace der {
+
+class VoidVisitor
+{
+public:
+ virtual void visit(DerBool&, Any) = 0;
+ virtual void visit(DerInteger&, Any) = 0;
+ virtual void visit(DerPrintableString&, Any) = 0;
+ virtual void visit(DerBitString&, Any) = 0;
+ virtual void visit(DerNull&, Any) = 0;
+ virtual void visit(DerOctetString&, Any) = 0;
+ virtual void visit(DerOid&, Any) = 0;
+ virtual void visit(DerSequence&, Any) = 0;
+ virtual void visit(DerGtime&, Any) = 0;
+};
+
+} // der
+
+}
+
+#endif