SkyFire::Crypto::SRP6 Class Reference

#include <SRP6.h>

Collaboration diagram for SkyFire::Crypto::SRP6:

Public Types
using	EphemeralKey = std::array<uint8, EPHEMERAL_KEY_LENGTH>
using	Salt = std::array<uint8, SALT_LENGTH>
using	Verifier = std::array<uint8, VERIFIER_LENGTH>

Public Member Functions
	SRP6 (std::string const &username, Salt const &salt, Verifier const &verifier)
std::optional< SessionKey >	VerifyChallengeResponse (EphemeralKey const &A, SHA1::Digest const &clientM)

Static Public Member Functions
static bool	CheckLogin (std::string const &username, std::string const &password, Salt const &salt, Verifier const &verifier)
static SHA1::Digest	GetSessionVerifier (EphemeralKey const &A, SHA1::Digest const &clientM, SessionKey const &K)
static std::pair< Salt, Verifier >	MakeRegistrationData (std::string const &username, std::string const &password)

Public Attributes
EphemeralKey const	B
Salt const	s

Static Public Attributes
static constexpr size_t	EPHEMERAL_KEY_LENGTH = 32
static std::array< uint8, 1 > const	g = { 7 }
static std::array< uint8, 32 > const	N = HexStrToByteArray<32>("894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7", true)
static constexpr size_t	SALT_LENGTH = 32
static constexpr size_t	VERIFIER_LENGTH = 32

Static Private Member Functions
static EphemeralKey	_B (BigNumber const &b, BigNumber const &v)
static Verifier	CalculateVerifier (std::string const &username, std::string const &password, Salt const &salt)
static SessionKey	SHA1Interleave (EphemeralKey const &S)

Private Attributes
BigNumber const	_b
SHA1::Digest const	_I
bool	_used = false
BigNumber const	_v

Static Private Attributes
static BigNumber const	_g
static BigNumber const	_N

Detailed Description

Definition at line 14 of file SRP6.h.

Member Typedef Documentation

EphemeralKey

using SkyFire::Crypto::SRP6::EphemeralKey = std::array<uint8, EPHEMERAL_KEY_LENGTH>

Definition at line 22 of file SRP6.h.

Salt

using SkyFire::Crypto::SRP6::Salt = std::array<uint8, SALT_LENGTH>

Definition at line 18 of file SRP6.h.

Verifier

using SkyFire::Crypto::SRP6::Verifier = std::array<uint8, VERIFIER_LENGTH>

Definition at line 20 of file SRP6.h.

Constructor & Destructor Documentation

SRP6()

SRP6::SRP6	(	std::string const &	username,
		Salt const &	salt,
		Verifier const &	verifier )

Definition at line 64 of file SRP6.cpp.

References _B(), _b, _I, _v, B, SkyFire::Crypto::GetRandomBytes(), and s.

Member Function Documentation

_B()

EphemeralKey SkyFire::Crypto::SRP6::_B ( BigNumber const & b, BigNumber const & v )

inlinestaticprivate

Definition at line 53 of file SRP6.h.

References _g, _N, EPHEMERAL_KEY_LENGTH, and N.

Referenced by SRP6().

CalculateVerifier()

SRP6::Verifier SRP6::CalculateVerifier ( std::string const & username, std::string const & password, SRP6::Salt const & salt )

staticprivate

Definition at line 23 of file SRP6.cpp.

References _g, _N, and SkyFire::Impl::GenericHash< EVP_sha1, Constants::SHA1_DIGEST_LENGTH_BYTES >::GetDigestOf().

Referenced by CheckLogin(), and MakeRegistrationData().

CheckLogin()

bool SkyFire::Crypto::SRP6::CheckLogin ( std::string const & username, std::string const & password, Salt const & salt, Verifier const & verifier )

inlinestatic

Definition at line 30 of file SRP6.h.

References CalculateVerifier().

Referenced by RASocket::check_password(), and AccountMgr::CheckPassword().

GetSessionVerifier()

SHA1::Digest SkyFire::Crypto::SRP6::GetSessionVerifier ( EphemeralKey const & A, SHA1::Digest const & clientM, SessionKey const & K )

inlinestatic

Definition at line 35 of file SRP6.h.

References SkyFire::Impl::GenericHash< EVP_sha1, Constants::SHA1_DIGEST_LENGTH_BYTES >::GetDigestOf().

Referenced by AuthSocket::_HandleLogonProof().

MakeRegistrationData()

std::pair< SRP6::Salt, SRP6::Verifier > SRP6::MakeRegistrationData ( std::string const & username, std::string const & password )

static

Definition at line 15 of file SRP6.cpp.

References CalculateVerifier(), and SkyFire::Crypto::GetRandomBytes().

Referenced by AccountMgr::ChangePassword(), AccountMgr::ChangeUsername(), and AccountMgr::CreateAccount().

SHA1Interleave()

SessionKey SRP6::SHA1Interleave ( SRP6::EphemeralKey const & S )

staticprivate

Definition at line 34 of file SRP6.cpp.

References SkyFire::Impl::GenericHash< EVP_sha1, Constants::SHA1_DIGEST_LENGTH_BYTES >::DIGEST_LENGTH, EPHEMERAL_KEY_LENGTH, and SkyFire::Impl::GenericHash< EVP_sha1, Constants::SHA1_DIGEST_LENGTH_BYTES >::GetDigestOf().

Referenced by VerifyChallengeResponse().

VerifyChallengeResponse()

std::optional< SessionKey > SRP6::VerifyChallengeResponse	(	EphemeralKey const &	A,
		SHA1::Digest const &	clientM )

Definition at line 67 of file SRP6.cpp.

References _b, _I, _N, _used, _v, ASSERT, B, g, SkyFire::Impl::GenericHash< EVP_sha1, Constants::SHA1_DIGEST_LENGTH_BYTES >::GetDigestOf(), N, s, and SHA1Interleave().

Member Data Documentation

_b

BigNumber const SkyFire::Crypto::SRP6::_b

private

Definition at line 57 of file SRP6.h.

Referenced by SRP6(), and VerifyChallengeResponse().

_g

BigNumber const SRP6::_g

staticprivate

Definition at line 50 of file SRP6.h.

Referenced by _B(), and CalculateVerifier().

_I

SHA1::Digest const SkyFire::Crypto::SRP6::_I

private

Definition at line 56 of file SRP6.h.

Referenced by SRP6(), and VerifyChallengeResponse().

_N

BigNumber const SRP6::_N

staticprivate

Definition at line 51 of file SRP6.h.

Referenced by _B(), CalculateVerifier(), and VerifyChallengeResponse().

_used

bool SkyFire::Crypto::SRP6::_used = false

private

Definition at line 44 of file SRP6.h.

Referenced by VerifyChallengeResponse().

_v

BigNumber const SkyFire::Crypto::SRP6::_v

private

Definition at line 58 of file SRP6.h.

Referenced by SRP6(), and VerifyChallengeResponse().

B

EphemeralKey const SkyFire::Crypto::SRP6::B

Definition at line 62 of file SRP6.h.

Referenced by SRP6(), and VerifyChallengeResponse().

EPHEMERAL_KEY_LENGTH

size_t SkyFire::Crypto::SRP6::EPHEMERAL_KEY_LENGTH = 32

staticconstexpr

Definition at line 21 of file SRP6.h.

Referenced by _B(), and SHA1Interleave().

g

std::array< uint8, 1 > const SRP6::g = { 7 }

static

Definition at line 24 of file SRP6.h.

Referenced by VerifyChallengeResponse().

N

std::array< uint8, 32 > const SRP6::N = HexStrToByteArray<32>("894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7", true)

static

Definition at line 25 of file SRP6.h.

Referenced by _B(), and VerifyChallengeResponse().

s

Salt const SkyFire::Crypto::SRP6::s

Definition at line 61 of file SRP6.h.

Referenced by SRP6(), and VerifyChallengeResponse().

SALT_LENGTH

size_t SkyFire::Crypto::SRP6::SALT_LENGTH = 32

staticconstexpr

Definition at line 17 of file SRP6.h.

Referenced by RASocket::check_password(), and AccountMgr::CheckPassword().

VERIFIER_LENGTH

size_t SkyFire::Crypto::SRP6::VERIFIER_LENGTH = 32

staticconstexpr

Definition at line 19 of file SRP6.h.

Referenced by RASocket::check_password(), and AccountMgr::CheckPassword().

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The documentation for this class was generated from the following files:

• src/server/shared/Cryptography/Authentication/SRP6.h
• src/server/shared/Cryptography/Authentication/SRP6.cpp