| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */ |
| /** |
| * Copyright (C) 2013 Regents of the University of California. |
| * @author: Jeff Thompson <jefft0@remap.ucla.edu> |
| * 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: |
| struct Error : public std::runtime_error { Error(const std::string &what) : std::runtime_error(what) {} }; |
| |
| enum { |
| Sha256 = 0, |
| Sha256WithRsa = 1 |
| }; |
| |
| Signature() |
| : type_(-1) |
| { |
| } |
| |
| Signature(const Block &info, const Block &value) |
| : value_(value) |
| { |
| setInfo(info); |
| } |
| |
| operator bool() const |
| { |
| return type_ != -1; |
| } |
| |
| uint32_t |
| getType() const |
| { |
| return type_; |
| } |
| |
| const Block& |
| getInfo() const |
| { |
| info_.encode(); // will do nothing if wire already exists |
| return info_; |
| } |
| |
| void |
| setInfo(const Block &info) |
| { |
| info_ = info; |
| if (info_.hasWire() || info_.hasValue()) |
| { |
| info_.parse(); |
| const Block &signatureType = info_.get(Tlv::SignatureType); |
| type_ = readNonNegativeInteger(signatureType); |
| } |
| else |
| { |
| type_ = -1; |
| } |
| } |
| |
| const Block& |
| getValue() const |
| { |
| value_.encode(); // will do nothing if wire already exists |
| return value_; |
| } |
| |
| void |
| setValue(const Block &value) |
| { |
| value_ = value; |
| } |
| |
| void |
| reset() |
| { |
| type_ = -1; |
| info_.reset(); |
| value_.reset(); |
| } |
| |
| protected: |
| int32_t type_; |
| |
| mutable Block info_; |
| mutable Block value_; |
| }; |
| |
| } // namespace ndn |
| |
| #endif // NDN_SIGNATURE_HPP |