Class LWEPublicKeyImpl

• Defined in File lwe-publickey.h

Inheritance Relationships

Base Type

• public lbcrypto::Serializable (Class Serializable)

Class Documentation

class lbcrypto::LWEPublicKeyImpl : public lbcrypto::Serializable

Inheritence diagram for lbcrypto::LWEPublicKeyImpl:

Collaboration diagram for lbcrypto::LWEPublicKeyImpl:

Class that stores the LWE scheme public key; contains a vector.

Public Functions

LWEPublicKeyImpl() = default

inline LWEPublicKeyImpl(const std::vector<NativeVector> &A, const NativeVector &v)

Constructs an LWE public key (A, v) from its components

Parameters

• A – the uniformly random matrix, stored by rows: N vectors of dimension N with modulus Q

• v – the vector v = A s + e, i.e. v[j] = <A[j], s> + e_j mod Q, for the secret key s

inline LWEPublicKeyImpl(std::vector<NativeVector> &&A, NativeVector &&v) noexcept

Constructs an LWE public key (A, v) from its components, moving them

Parameters

• A – the uniformly random matrix, stored by rows: N vectors of dimension N with modulus Q

• v – the vector v = A s + e, i.e. v[j] = <A[j], s> + e_j mod Q, for the secret key s

inline LWEPublicKeyImpl(const LWEPublicKeyImpl &rhs)

inline LWEPublicKeyImpl(LWEPublicKeyImpl &&rhs) noexcept

inline LWEPublicKeyImpl &operator=(const LWEPublicKeyImpl &rhs)

inline LWEPublicKeyImpl &operator=(LWEPublicKeyImpl &&rhs) noexcept

inline const std::vector<NativeVector> &GetA() const

inline const NativeVector &Getv() const

inline void SetA(const std::vector<NativeVector> &A)

inline void SetA(std::vector<NativeVector> &&A) noexcept

inline void Setv(const NativeVector &v)

inline void Setv(NativeVector &&v) noexcept

inline uint32_t GetLength() const

Returns

the dimension of the key (the length of v)

inline NativeInteger GetModulus() const

Returns

the modulus of the key (the modulus of v)

inline bool operator==(const LWEPublicKeyImpl &other) const

Parameters

other – the public key to compare with

Returns

true if both keys have the same A and v

inline bool operator!=(const LWEPublicKeyImpl &other) const

Parameters

other – the public key to compare with

Returns

true if the keys differ in A or v

template<class Archive>
inline void save(Archive &ar, std::uint32_t const version) const

template<class Archive>
inline void load(Archive &ar, std::uint32_t const version)

inline virtual std::string SerializedObjectName() const override

Returns the name identifying the derived class in serialized form; every serializable class provides it.

Returns

the serialized object name

Public Static Functions

static inline uint32_t SerializedVersion()