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KeyGenerator::ElGamal

KeyGenerator::ElGamal¶

#include <ElGamalKeyGenerator.hpp>

Public Classes¶

	Name
struct	Params Prime and generator parameter struct.
struct	PublicKey
struct	PrivateKey

Public Functions¶

	Name
cpp_int	DecryptDataAdditive(const CypherTextType & encrypted_data)
	ElGamal()
	ElGamal(const Params & params, cpp_int private_key_value)
	ElGamal(const Params & params)
	ElGamal(cpp_int private_key_value)
	~ElGamal()
PublicKey &	GetPublicKey() const
PrivateKey &	GetPrivateKey() const
cpp_int	DecryptData(const PrivateKey & prvkey, const CypherTextType & encrypted_data)
std::vector< uint8_t >	DecryptData(const PrivateKey & prvkey, const CypherTextType & encrypted_data)
Params	CreateGeneratorParams() Create prime number and generator.
CypherTextType	EncryptData(PublicKey & pubkey, std::vector< uint8_t > & data_vector)
CypherTextType	EncryptData(PublicKey & pubkey, const cpp_int & data)
CypherTextType	EncryptDataAdditive(PublicKey & pubkey, const cpp_int & data)
template <typename T > T	DecryptData(const PrivateKey & prvkey, const CypherTextType & encrypted_data)
cpp_int	DecryptDataAdditive(const PrivateKey & prvkey, const CypherTextType & encrypted_data, PrimeNumbers::BabyStepGiantStep & bsgs)

Public Attributes¶

	Name
uint256_t	SAFE_PRIME
uint256_t	GENERATOR

Public Functions Documentation¶

function DecryptDataAdditive¶

cpp_int DecryptDataAdditive(
    const CypherTextType & encrypted_data
)

function ElGamal¶

inline ElGamal()

function ElGamal¶

ElGamal(
    const Params & params,
    cpp_int private_key_value
)

function ElGamal¶

inline ElGamal(
    const Params & params
)

function ElGamal¶

inline ElGamal(
    cpp_int private_key_value
)

function ~ElGamal¶

~ElGamal()

function GetPublicKey¶

inline PublicKey & GetPublicKey() const

function GetPrivateKey¶

inline PrivateKey & GetPrivateKey() const

function DecryptData¶

cpp_int DecryptData(
    const PrivateKey & prvkey,
    const CypherTextType & encrypted_data
)

function DecryptData¶

std::vector< uint8_t > DecryptData(
    const PrivateKey & prvkey,
    const CypherTextType & encrypted_data
)

function CreateGeneratorParams¶

static Params CreateGeneratorParams()

Create prime number and generator.

Return: A new set of prime number and generator GeneratorParamsType

function EncryptData¶

static CypherTextType EncryptData(
    PublicKey & pubkey,
    std::vector< uint8_t > & data_vector
)

function EncryptData¶

static CypherTextType EncryptData(
    PublicKey & pubkey,
    const cpp_int & data
)

function EncryptDataAdditive¶

static CypherTextType EncryptDataAdditive(
    PublicKey & pubkey,
    const cpp_int & data
)

function DecryptData¶

template <typename T >
static T DecryptData(
    const PrivateKey & prvkey,
    const CypherTextType & encrypted_data
)

function DecryptDataAdditive¶

static cpp_int DecryptDataAdditive(
    const PrivateKey & prvkey,
    const CypherTextType & encrypted_data,
    PrimeNumbers::BabyStepGiantStep & bsgs
)

Public Attributes Documentation¶

variable SAFE_PRIME¶

static uint256_t SAFE_PRIME = 0xf3760a5583d3509b3f72b16e3c892129fef350406f88c268f503e877e043514f_cppui256;

variable GENERATOR¶

static uint256_t GENERATOR = 0x1a2c6b6fb9971c4a993069c76258ee18ba80f778fd4d7bc07186c70e73b93004_cppui256;

Updated on 2026-03-04 at 13:10:43 -0800