signature.cpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2013-2019 Regents of the University of California.
4  *
5  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
6  *
7  * ndn-cxx library is free software: you can redistribute it and/or modify it under the
8  * terms of the GNU Lesser General Public License as published by the Free Software
9  * Foundation, either version 3 of the License, or (at your option) any later version.
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11  * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
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13  * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
14  *
15  * You should have received copies of the GNU General Public License and GNU Lesser
16  * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
17  * <http://www.gnu.org/licenses/>.
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19  * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
20  */
21 
22 #include "ndn-cxx/signature.hpp"
23 
24 namespace ndn {
25 
26 static_assert(std::is_base_of<tlv::Error, Signature::Error>::value,
27  "Signature::Error must inherit from tlv::Error");
28 
29 Signature::Signature(const Block& info, const Block& value)
30  : m_info(info)
31  , m_value(value)
32 {
33 }
34 
35 
36 Signature::Signature(const SignatureInfo& info, const Block& value)
37  : m_info(info)
38  , m_value(value)
39 {
40 }
41 
44 {
45  if (!*this) {
46  NDN_THROW(Error("Signature is invalid"));
47  }
48  return static_cast<tlv::SignatureTypeValue>(m_info.getSignatureType());
49 }
50 
51 void
53 {
54  m_info = SignatureInfo(info);
55 }
56 
57 void
59 {
60  if (value.type() != tlv::SignatureValue) {
61  NDN_THROW(Error("SignatureValue", value.type()));
62  }
63  m_value = value;
64 }
65 
66 } // namespace ndn
Definition: data.cpp:26
Signature()=default
Represents a SignatureInfo or InterestSignatureInfo TLV element.
void setInfo(const Block &info)
Decode SignatureInfo from wire format.
Definition: signature.cpp:52
int32_t getSignatureType() const noexcept
Get SignatureType.
Represents a TLV element of the NDN packet format.
Definition: block.hpp:42
#define NDN_THROW(e)
Definition: exception.hpp:61
tlv::SignatureTypeValue getType() const
Get SignatureType.
Definition: signature.cpp:43
void setValue(const Block &value)
Set SignatureValue.
Definition: signature.cpp:58
SignatureTypeValue
SignatureType values.
Definition: tlv.hpp:131
SignatureInfo m_info
Definition: signature.hpp:155
uint32_t type() const
Return the TLV-TYPE of the Block.
Definition: block.hpp:261