Acore::Impl::GenericHash< HashCreator, DigestLength > Class Template Reference

#include "CryptoHash.h"

Public Types
using	Digest = std::array< uint8, DIGEST_LENGTH >

Public Member Functions
	GenericHash ()
	GenericHash (GenericHash const &right)
	GenericHash (GenericHash &&right) noexcept
	~GenericHash ()
GenericHash &	operator= (GenericHash const &right)
GenericHash &	operator= (GenericHash &&right) noexcept
void	UpdateData (uint8 const *data, std::size_t len)
void	UpdateData (std::string_view str)
void	UpdateData (std::string const &str)
void	UpdateData (char const *str)
template<typename Container >
void	UpdateData (Container const &c)
void	Finalize ()
Digest const &	GetDigest () const

Static Public Member Functions
static Digest	GetDigestOf (uint8 const *data, std::size_t len)
template<typename... Ts>
static auto	GetDigestOf (Ts &&... pack) -> std::enable_if_t<!(std::is_integral_v< std::decay_t< Ts > >||...), Digest >

Static Public Attributes
static constexpr std::size_t	DIGEST_LENGTH = DigestLength

Private Attributes
EVP_MD_CTX *	_ctx {}
Digest	_digest {}

Detailed Description

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>
class Acore::Impl::GenericHash< HashCreator, DigestLength >

Member Typedef Documentation

Digest

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

using Acore::Impl::GenericHash< HashCreator, DigestLength >::Digest = std::array<uint8, DIGEST_LENGTH>

Constructor & Destructor Documentation

GenericHash() [1/3]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

Acore::Impl::GenericHash< HashCreator, DigestLength >::GenericHash ( )

inline

                          : _ctx(GenericHashImpl::MakeCTX())
            {
                int result = EVP_DigestInit_ex(_ctx, HashCreator(), nullptr);
                ASSERT(result == 1);
            }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::_ctx, and ASSERT.

GenericHash() [2/3]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

Acore::Impl::GenericHash< HashCreator, DigestLength >::GenericHash ( GenericHash< HashCreator, DigestLength > const &  right )

inline

                                                  : _ctx(GenericHashImpl::MakeCTX())
            {
                *this = right;
            }

GenericHash() [3/3]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

Acore::Impl::GenericHash< HashCreator, DigestLength >::GenericHash ( GenericHash< HashCreator, DigestLength > &&  right )

inlinenoexcept

            {
                *this = std::move(right);
            }

~GenericHash()

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

Acore::Impl::GenericHash< HashCreator, DigestLength >::~GenericHash ( )

inline

            {
                if (!_ctx)
                    return;
                GenericHashImpl::DestroyCTX(_ctx);
                _ctx = nullptr;
            }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::_ctx, and Acore::Impl::GenericHashImpl::DestroyCTX().

Member Function Documentation

Finalize()

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

void Acore::Impl::GenericHash< HashCreator, DigestLength >::Finalize ( )

inline

            {
                uint32 length;
                int result = EVP_DigestFinal_ex(_ctx, _digest.data(), &length);
                ASSERT(result == 1);
                ASSERT(length == DIGEST_LENGTH);
            }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::_ctx, Acore::Impl::GenericHash< HashCreator, DigestLength >::_digest, ASSERT, and Acore::Impl::GenericHash< HashCreator, DigestLength >::DIGEST_LENGTH.

Referenced by Acore::Impl::GenericHash< HashCreator, DigestLength >::GetDigestOf(), WorldSocket::HandleAuthSessionCallback(), WardenMac::HandleData(), WardenMac::HandleHashResult(), AuthSession::HandleReconnectProof(), and AuthSession::VerifyVersion().

GetDigest()

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

Digest const & Acore::Impl::GenericHash< HashCreator, DigestLength >::GetDigest ( ) const

inline

{ return _digest; }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::_digest.

Referenced by Acore::Impl::GenericHash< HashCreator, DigestLength >::GetDigestOf(), WorldSocket::HandleAuthSessionCallback(), WardenMac::HandleData(), WardenMac::HandleHashResult(), AuthSession::HandleReconnectProof(), and AuthSession::VerifyVersion().

GetDigestOf() [1/2]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

template<typename... Ts>

static auto Acore::Impl::GenericHash< HashCreator, DigestLength >::GetDigestOf ( Ts &&...  pack ) -> std::enable_if_t<!(std::is_integral_v<std::decay_t<Ts>> || ...), Digest>

inlinestatic

            {
                GenericHash hash;
                (hash.UpdateData(std::forward<Ts>(pack)), ...);
                hash.Finalize();
                return hash.GetDigest();
            }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::Finalize(), Acore::Impl::GenericHash< HashCreator, DigestLength >::GetDigest(), and Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData().

GetDigestOf() [2/2]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

static Digest Acore::Impl::GenericHash< HashCreator, DigestLength >::GetDigestOf ( uint8 const *  data, std::size_t  len  )

inlinestatic

            {
                GenericHash hash;
                hash.UpdateData(data, len);
                hash.Finalize();
                return hash.GetDigest();
            }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::Finalize(), Acore::Impl::GenericHash< HashCreator, DigestLength >::GetDigest(), and Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData().

Referenced by Warden::BuildChecksum(), Acore::Crypto::SRP6::CalculateVerifier(), WardenMac::GetModuleForClient(), WardenWin::GetModuleForClient(), Acore::Crypto::SRP6::GetSessionVerifier(), WardenMac::HandleData(), AddonMgr::LoadFromDB(), Acore::Crypto::SRP6::SHA1Interleave(), UpdateFetcher::Update(), and Acore::Crypto::SRP6::VerifyChallengeResponse().

operator=() [1/2]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

GenericHash & Acore::Impl::GenericHash< HashCreator, DigestLength >::operator= ( GenericHash< HashCreator, DigestLength > &&  right )

inlinenoexcept

            {
                if (this == &right)
                    return *this;
 
                _ctx = std::exchange(right._ctx, GenericHashImpl::MakeCTX());
                _digest = std::exchange(right._digest, Digest{});
                return *this;
            }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::_ctx, Acore::Impl::GenericHash< HashCreator, DigestLength >::_digest, and Acore::Impl::GenericHashImpl::MakeCTX().

operator=() [2/2]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

GenericHash & Acore::Impl::GenericHash< HashCreator, DigestLength >::operator= ( GenericHash< HashCreator, DigestLength > const &  right )

inline

            {
                if (this == &right)
                    return *this;
 
                int result = EVP_MD_CTX_copy_ex(_ctx, right._ctx);
                ASSERT(result == 1);
                _digest = right._digest;
                return *this;
            }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::_ctx, Acore::Impl::GenericHash< HashCreator, DigestLength >::_digest, and ASSERT.

UpdateData() [1/5]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

void Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData ( char const *  str )

inline

{ UpdateData(std::string_view(str)); } /* explicit overload to avoid using the container template */

References Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData().

Referenced by Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData().

UpdateData() [2/5]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

template<typename Container >

void Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData ( Container const &  c )

inline

{ UpdateData(std::data(c), std::size(c)); }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData().

Referenced by Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData().

UpdateData() [3/5]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

void Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData ( std::string const &  str )

inline

{ UpdateData(std::string_view(str)); } /* explicit overload to avoid using the container template */

References Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData().

Referenced by Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData().

UpdateData() [4/5]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

void Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData ( std::string_view  str )

inline

{ UpdateData(reinterpret_cast<uint8 const*>(str.data()), str.size()); }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData().

Referenced by Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData().

UpdateData() [5/5]

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

void Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData ( uint8 const *  data, std::size_t  len  )

inline

            {
                int result = EVP_DigestUpdate(_ctx, data, len);
                ASSERT(result == 1);
            }

References Acore::Impl::GenericHash< HashCreator, DigestLength >::_ctx, and ASSERT.

Referenced by Acore::Impl::GenericHash< HashCreator, DigestLength >::GetDigestOf(), WorldSocket::HandleAuthSessionCallback(), WardenMac::HandleData(), WardenMac::HandleHashResult(), AuthSession::HandleReconnectProof(), and AuthSession::VerifyVersion().

Member Data Documentation

_ctx

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

EVP_MD_CTX* Acore::Impl::GenericHash< HashCreator, DigestLength >::_ctx {}

private

Referenced by Acore::Impl::GenericHash< HashCreator, DigestLength >::Finalize(), Acore::Impl::GenericHash< HashCreator, DigestLength >::GenericHash(), Acore::Impl::GenericHash< HashCreator, DigestLength >::operator=(), Acore::Impl::GenericHash< HashCreator, DigestLength >::UpdateData(), and Acore::Impl::GenericHash< HashCreator, DigestLength >::~GenericHash().

_digest

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

Digest Acore::Impl::GenericHash< HashCreator, DigestLength >::_digest {}

private

Referenced by Acore::Impl::GenericHash< HashCreator, DigestLength >::Finalize(), Acore::Impl::GenericHash< HashCreator, DigestLength >::GetDigest(), and Acore::Impl::GenericHash< HashCreator, DigestLength >::operator=().

DIGEST_LENGTH

template<GenericHashImpl::HashCreator HashCreator, std::size_t DigestLength>

constexpr std::size_t Acore::Impl::GenericHash< HashCreator, DigestLength >::DIGEST_LENGTH = DigestLength

staticconstexpr

Referenced by Acore::Impl::GenericHash< HashCreator, DigestLength >::Finalize(), and Acore::Crypto::SRP6::SHA1Interleave().