Program Listing for File publickey.h
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//==================================================================================
// BSD 2-Clause License
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// Copyright (c) 2014-2022, NJIT, Duality Technologies Inc. and other contributors
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/*
Public key type for lattice crypto operations
*/
#ifndef LBCRYPTO_CRYPTO_KEY_PUBLICKEY_H
#define LBCRYPTO_CRYPTO_KEY_PUBLICKEY_H
#include "key/publickey-fwd.h"
#include "key/key.h"
#include <memory>
#include <vector>
#include <string>
#include <utility>
namespace lbcrypto {
template <typename Element>
class PublicKeyImpl : public Key<Element> {
public:
explicit PublicKeyImpl(CryptoContext<Element> cc = 0, const std::string& id = "") : Key<Element>(cc, id) {}
explicit PublicKeyImpl(const PublicKeyImpl<Element>& rhs)
: Key<Element>(rhs.GetCryptoContext(), rhs.GetKeyTag()), m_h(rhs.m_h) {}
explicit PublicKeyImpl(PublicKeyImpl<Element>&& rhs) noexcept
: Key<Element>(rhs.GetCryptoContext(), rhs.GetKeyTag()), m_h(std::move(rhs.m_h)) {}
operator bool() const {
return static_cast<bool>(this->context) && m_h.size() != 0;
}
PublicKeyImpl<Element>& operator=(const PublicKeyImpl<Element>& rhs) {
CryptoObject<Element>::operator=(rhs);
this->m_h = rhs.m_h;
return *this;
}
PublicKeyImpl<Element>& operator=(PublicKeyImpl<Element>&& rhs) {
CryptoObject<Element>::operator=(rhs);
m_h = std::move(rhs.m_h);
return *this;
}
// @Get Properties
const std::vector<Element>& GetPublicElements() const {
return this->m_h;
}
// @Set Properties
void SetPublicElements(const std::vector<Element>& element) {
m_h = element;
}
void SetPublicElements(std::vector<Element>&& element) {
m_h = std::move(element);
}
void SetPublicElementAtIndex(usint idx, const Element& element) {
m_h.insert(m_h.begin() + idx, element);
}
void SetPublicElementAtIndex(usint idx, Element&& element) {
m_h.insert(m_h.begin() + idx, std::move(element));
}
bool operator==(const PublicKeyImpl& other) const {
if (!CryptoObject<Element>::operator==(other)) {
return false;
}
if (m_h.size() != other.m_h.size()) {
return false;
}
for (size_t i = 0; i < m_h.size(); i++) {
if (m_h[i] != other.m_h[i]) {
return false;
}
}
return true;
}
bool operator!=(const PublicKeyImpl& other) const {
return !(*this == other);
}
template <class Archive>
void save(Archive& ar, std::uint32_t const version) const {
ar(::cereal::base_class<Key<Element>>(this));
ar(::cereal::make_nvp("h", m_h));
}
template <class Archive>
void load(Archive& ar, std::uint32_t const version) {
if (version > SerializedVersion()) {
OPENFHE_THROW("serialized object version " + std::to_string(version) +
" is from a later version of the library");
}
ar(::cereal::base_class<Key<Element>>(this));
ar(::cereal::make_nvp("h", m_h));
}
std::string SerializedObjectName() const {
return "PublicKey";
}
static uint32_t SerializedVersion() {
return 1;
}
private:
std::vector<Element> m_h;
};
} // namespace lbcrypto
#endif