| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */ |
| /** |
| * Copyright (C) 2013-2014 Regents of the University of California. |
| * See COPYING for copyright and distribution information. |
| */ |
| |
| #ifndef NDN_SIGNATURE_HPP |
| #define NDN_SIGNATURE_HPP |
| |
| namespace ndn { |
| |
| /** |
| * A Signature is storage for the signature-related information (info and value) in a Data packet. |
| */ |
| class Signature |
| { |
| public: |
| class Error : public Tlv::Error |
| { |
| public: |
| explicit |
| Error(const std::string& what) |
| : Tlv::Error(what) |
| { |
| } |
| }; |
| |
| enum { |
| Sha256 = 0, |
| Sha256WithRsa = 1 |
| }; |
| |
| Signature() |
| : m_type(-1) |
| { |
| } |
| |
| Signature(const Block& info, const Block& value = Block()) |
| : m_value(value) |
| { |
| setInfo(info); |
| } |
| |
| operator bool() const |
| { |
| return m_type != -1; |
| } |
| |
| uint32_t |
| getType() const |
| { |
| return m_type; |
| } |
| |
| const Block& |
| getInfo() const |
| { |
| m_info.encode(); // will do nothing if wire already exists |
| return m_info; |
| } |
| |
| void |
| setInfo(const Block& info) |
| { |
| m_info = info; |
| if (m_info.hasWire() || m_info.hasValue()) |
| { |
| m_info.parse(); |
| const Block& signatureType = m_info.get(Tlv::SignatureType); |
| m_type = readNonNegativeInteger(signatureType); |
| } |
| else |
| { |
| m_type = -1; |
| } |
| } |
| |
| const Block& |
| getValue() const |
| { |
| m_value.encode(); // will do nothing if wire already exists |
| return m_value; |
| } |
| |
| void |
| setValue(const Block& value) |
| { |
| m_value = value; |
| } |
| |
| void |
| reset() |
| { |
| m_type = -1; |
| m_info.reset(); |
| m_value.reset(); |
| } |
| |
| public: // EqualityComparable concept |
| bool |
| operator==(const Signature& other) const |
| { |
| return getInfo() == other.getInfo() && |
| getValue() == other.getValue(); |
| } |
| |
| bool |
| operator!=(const Signature& other) const |
| { |
| return !(*this == other); |
| } |
| |
| protected: |
| int32_t m_type; |
| |
| mutable Block m_info; |
| mutable Block m_value; |
| }; |
| |
| } // namespace ndn |
| |
| #endif // NDN_SIGNATURE_HPP |