hash.h File Reference

#include <crypto/ripemd160.h>
#include <crypto/sha256.h>
#include <prevector.h>
#include <serialize.h>
#include <uint256.h>
#include <version.h>
#include <crypto/sph_blake.h>
#include <crypto/sph_bmw.h>
#include <crypto/sph_groestl.h>
#include <crypto/sph_jh.h>
#include <crypto/sph_keccak.h>
#include <crypto/sph_skein.h>
#include <crypto/sph_luffa.h>
#include <crypto/sph_cubehash.h>
#include <crypto/sph_shavite.h>
#include <crypto/sph_simd.h>
#include <crypto/sph_echo.h>
#include <vector>

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Classes
class	CHash256
	A hasher class for Bitcoin's 256-bit hash (double SHA-256). More...
class	CHash160
	A hasher class for Bitcoin's 160-bit hash (SHA-256 + RIPEMD-160). More...
class	CHashWriter
	A writer stream (for serialization) that computes a 256-bit hash. More...
class	CHashVerifier< Source >
	Reads data from an underlying stream, while hashing the read data. More...
class	CSipHasher
	SipHash-2-4. More...

Typedefs
typedef uint256	ChainCode

Functions
template<typename T1 >
uint256	Hash (const T1 pbegin, const T1 pend)
	Compute the 256-bit hash of an object. More...
template<typename T1 , typename T2 >
uint256	Hash (const T1 p1begin, const T1 p1end, const T2 p2begin, const T2 p2end)
	Compute the 256-bit hash of the concatenation of two objects. More...
template<typename T1 , typename T2 , typename T3 , typename T4 >
uint256	Hash (const T1 p1begin, const T1 p1end, const T2 p2begin, const T2 p2end, const T3 p3begin, const T3 p3end, const T4 p4begin, const T4 p4end)
	Compute the 256-bit hash of the concatenation of three objects. More...
template<typename T1 , typename T2 , typename T3 , typename T4 , typename T5 >
uint256	Hash (const T1 p1begin, const T1 p1end, const T2 p2begin, const T2 p2end, const T3 p3begin, const T3 p3end, const T4 p4begin, const T4 p4end, const T5 p5begin, const T5 p5end)
	Compute the 256-bit hash of the concatenation of three objects. More...
template<typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 >
uint256	Hash (const T1 p1begin, const T1 p1end, const T2 p2begin, const T2 p2end, const T3 p3begin, const T3 p3end, const T4 p4begin, const T4 p4end, const T5 p5begin, const T5 p5end, const T6 p6begin, const T6 p6end)
	Compute the 256-bit hash of the concatenation of three objects. More...
template<typename T1 >
uint160	Hash160 (const T1 pbegin, const T1 pend)
	Compute the 160-bit hash an object. More...
uint160	Hash160 (const std::vector< unsigned char > &vch)
	Compute the 160-bit hash of a vector. More...
template<unsigned int N>
uint160	Hash160 (const prevector< N, unsigned char > &vch)
	Compute the 160-bit hash of a vector. More...
template<typename T >
uint256	SerializeHash (const T &obj, int nType=SER_GETHASH, int nVersion=PROTOCOL_VERSION)
	Compute the 256-bit hash of an object's serialization. More...
unsigned int	MurmurHash3 (unsigned int nHashSeed, const std::vector< unsigned char > &vDataToHash)
void	BIP32Hash (const ChainCode &chainCode, unsigned int nChild, unsigned char header, const unsigned char data[32], unsigned char output[64])
uint64_t	SipHashUint256 (uint64_t k0, uint64_t k1, const uint256 &val)
	Optimized SipHash-2-4 implementation for uint256. More...
uint64_t	SipHashUint256Extra (uint64_t k0, uint64_t k1, const uint256 &val, uint32_t extra)
template<typename T1 >
uint256	HashX11 (const T1 pbegin, const T1 pend)

Typedef Documentation

ChainCode

typedef uint256 ChainCode

Definition at line 31 of file hash.h.

Function Documentation

BIP32Hash()

void BIP32Hash	(	const ChainCode &	chainCode,
		unsigned int	nChild,
		unsigned char	header,
		const unsigned char	data[32],
		unsigned char	output[64]
	)

Definition at line 71 of file hash.cpp.

References base_blob< BITS >::begin(), CHMAC_SHA512::Finalize(), base_blob< BITS >::size(), and CHMAC_SHA512::Write().

Referenced by CKey::Derive(), and CPubKey::Derive().

Hash() [1/5]

template<typename T1 >

uint256 Hash ( const T1  pbegin, const T1  pend  )

inline

Compute the 256-bit hash of an object.

Definition at line 84 of file hash.h.

References CHash256::Finalize(), and CHash256::Write().

Referenced by immer::detail::hamts::champ< value_t, hash_key, equal_key, MemoryPolicy, B >::add(), CPartialMerkleTree::CalcHash(), DecodeBase58Check(), immer::detail::hamts::champ< value_t, hash_key, equal_key, MemoryPolicy, B >::do_add(), immer::detail::hamts::champ< value_t, hash_key, equal_key, MemoryPolicy, B >::do_update(), EncodeBase58Check(), immer::detail::hamts::champ< value_t, hash_key, equal_key, MemoryPolicy, B >::get(), CNetAddr::GetHash(), CPubKey::GetHash(), CHDChain::GetSeedHash(), immer::map< K, T, Hash, Equal, MemoryPolicy, B >::hash_key::operator()(), CConnman::PushMessage(), CFlatDB< T >::Read(), ReadKeyValue(), immer::detail::hamts::champ< value_t, hash_key, equal_key, MemoryPolicy, B >::sub(), CPartialMerkleTree::TraverseAndExtract(), immer::detail::hamts::champ< value_t, hash_key, equal_key, MemoryPolicy, B >::update(), CFlatDB< T >::Write(), and WalletBatch::WriteKey().

Hash() [2/5]

template<typename T1 , typename T2 >

uint256 Hash ( const T1  p1begin, const T1  p1end, const T2  p2begin, const T2  p2end  )

inline

Compute the 256-bit hash of the concatenation of two objects.

Definition at line 95 of file hash.h.

References CHash256::Finalize(), and CHash256::Write().

Hash() [3/5]

template<typename T1 , typename T2 , typename T3 , typename T4 >

uint256 Hash ( const T1  p1begin, const T1  p1end, const T2  p2begin, const T2  p2end, const T3  p3begin, const T3  p3end, const T4  p4begin, const T4  p4end  )

inline

Compute the 256-bit hash of the concatenation of three objects.

Definition at line 107 of file hash.h.

References CHash256::Finalize(), and CHash256::Write().

Hash() [4/5]

template<typename T1 , typename T2 , typename T3 , typename T4 , typename T5 >

uint256 Hash ( const T1  p1begin, const T1  p1end, const T2  p2begin, const T2  p2end, const T3  p3begin, const T3  p3end, const T4  p4begin, const T4  p4end, const T5  p5begin, const T5  p5end  )

inline

Compute the 256-bit hash of the concatenation of three objects.

Definition at line 123 of file hash.h.

References CHash256::Finalize(), and CHash256::Write().

Hash() [5/5]

template<typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 >

uint256 Hash ( const T1  p1begin, const T1  p1end, const T2  p2begin, const T2  p2end, const T3  p3begin, const T3  p3end, const T4  p4begin, const T4  p4end, const T5  p5begin, const T5  p5end, const T6  p6begin, const T6  p6end  )

inline

Compute the 256-bit hash of the concatenation of three objects.

Definition at line 141 of file hash.h.

References CHash256::Finalize(), and CHash256::Write().

Hash160() [1/3]

template<typename T1 >

uint160 Hash160 ( const T1  pbegin, const T1  pend  )

inline

Compute the 160-bit hash an object.

Definition at line 161 of file hash.h.

References CHash160::Finalize(), and CHash160::Write().

Referenced by CTxMemPool::addAddressIndex(), CWallet::AddCScript(), CTxMemPool::addSpentIndex(), CChainState::ConnectBlock(), CChainState::DisconnectBlock(), CPubKey::GetID(), and Hash160().

Hash160() [2/3]

uint160 Hash160 ( const std::vector< unsigned char > &  vch )

inline

Compute the 160-bit hash of a vector.

Definition at line 171 of file hash.h.

References Hash160().

Hash160() [3/3]

template<unsigned int N>

uint160 Hash160 ( const prevector< N, unsigned char > &  vch )

inline

Compute the 160-bit hash of a vector.

Definition at line 178 of file hash.h.

References prevector< N, T, Size, Diff >::begin(), prevector< N, T, Size, Diff >::end(), and Hash160().

HashX11()

template<typename T1 >

uint256 HashX11 ( const T1  pbegin, const T1  pend  )

inline

Definition at line 302 of file hash.h.

References sph_cubehash512(), sph_cubehash512_close(), sph_cubehash512_init(), sph_echo512(), sph_echo512_close(), sph_echo512_init(), sph_groestl512(), sph_groestl512_close(), sph_groestl512_init(), sph_jh512(), sph_jh512_close(), sph_jh512_init(), sph_keccak512(), sph_keccak512_close(), sph_keccak512_init(), sph_luffa512(), sph_luffa512_close(), sph_luffa512_init(), sph_shavite512(), sph_shavite512_close(), sph_shavite512_init(), sph_simd512(), sph_simd512_close(), sph_simd512_init(), and uint512::trim256().

Referenced by CBlockHeader::GetHash(), HASH_X11(), HASH_X11_0032b_single(), HASH_X11_0080b_single(), HASH_X11_0128b_single(), HASH_X11_0512b_single(), HASH_X11_1024b_single(), and HASH_X11_2048b_single().

MurmurHash3()

unsigned int MurmurHash3	(	unsigned int	nHashSeed,
		const std::vector< unsigned char > &	vDataToHash
	)

Definition at line 15 of file hash.cpp.

References k1, ReadLE32(), and ROTL32().

Referenced by CBloomFilter::Hash(), and RollingBloomHash().

SerializeHash()

template<typename T >

uint256 SerializeHash	(	const T &	obj,
		int	nType = SER_GETHASH,
		int	nVersion = PROTOCOL_VERSION
	)

Compute the 256-bit hash of an object's serialization.

Definition at line 254 of file hash.h.

References CHashWriter::GetHash().

Referenced by llmq::CQuorumBlockProcessor::AddMinableCommitment(), CTxMemPool::addUnchecked(), CDeterministicMNList::AddUniqueProperty(), CalcCbTxMerkleRootQuorums(), llmq::CLLMQUtils::CalcDeterministicWatchConnections(), CheckHashSig(), CTransaction::ComputeHash(), CChainState::ConnectBlock(), CBLSIESMultiRecipientBlobs::Decrypt(), CDeterministicMNList::DeleteUniqueProperty(), llmq::CLLMQUtils::DeterministicOutboundConnection(), ECDSASign(), ECDSAVerify(), ECDSAVerify_LargeBlock(), llmq::CLLMQUtils::GetAllQuorumMembers(), CSporkMessage::GetHash(), CMutableTransaction::GetHash(), CGovernanceVote::GetSignatureHash(), CGovernanceObject::GetSignatureHash(), CPrivateSendQueue::GetSignatureHash(), CPrivateSendBroadcastTx::GetSignatureHash(), llmq::CDKGComplaint::GetSignHash(), llmq::CDKGJustification::GetSignHash(), CDeterministicMNList::GetUniquePropertyMN(), llmq::CInstantSendManager::HandleNewInputLockRecoveredSig(), llmq::CInstantSendManager::HandleNewInstantSendLockRecoveredSig(), llmq::CChainLocksHandler::HandleNewRecoveredSig(), CDeterministicMNList::HasUniqueProperty(), CBLSIESMultiRecipientBlobs::InitEncrypt(), CProRegTx::MakeSignString(), llmq::CInstantSendManager::ProcessInstantSendLock(), llmq::CQuorumBlockProcessor::ProcessMessage(), CMNAuth::ProcessMessage(), llmq::CChainLocksHandler::ProcessMessage(), llmq::CInstantSendManager::ProcessMessageInstantSendLock(), llmq::CChainLocksHandler::ProcessNewChainLock(), llmq::ProcessPendingMessageBatch(), llmq::CInstantSendManager::ProcessTx(), CMNAuth::PushMNAUTH(), llmq::CDKGSession::ReceiveMessage(), llmq::CInstantSendManager::RemoveConflictedTx(), CTxMemPool::removeProTxConflicts(), llmq::CSigSharesManager::SelectMemberForRecovery(), llmq::CDKGSession::SendCommitment(), llmq::CInstantSendManager::TruncateRecoveredSigsForInputs(), llmq::CChainLocksHandler::TrySignChainTip(), llmq::CInstantSendManager::TrySignInstantSendLock(), llmq::CRecoveredSig::UpdateHash(), and CBLSWrapper< bls::InsecureSignature, BLS_CURVE_SIG_SIZE, CBLSSignature >::UpdateHash().

SipHashUint256()

uint64_t SipHashUint256	(	uint64_t	k0,
		uint64_t	k1,
		const uint256 &	val
	)

Optimized SipHash-2-4 implementation for uint256.

It is identical to: SipHasher(k0, k1) .Write(val.GetUint64(0)) .Write(val.GetUint64(1)) .Write(val.GetUint64(2)) .Write(val.GetUint64(3)) .Finalize()

Definition at line 168 of file hash.cpp.

References base_blob< BITS >::GetUint64(), k1, and SIPROUND.

Referenced by SaltedHasherImpl< uint256 >::CalcHash(), CBlockHeaderAndShortTxIDs::GetShortID(), HASH_SipHash_0032b(), and SaltedTxidHasher::operator()().

SipHashUint256Extra()

uint64_t SipHashUint256Extra	(	uint64_t	k0,
		uint64_t	k1,
		const uint256 &	val,
		uint32_t	extra
	)

Definition at line 208 of file hash.cpp.

References base_blob< BITS >::GetUint64(), k1, and SIPROUND.

Referenced by SaltedHasherImpl< std::pair< uint256, N > >::CalcHash(), SaltedHasherImpl< std::pair< N, uint256 > >::CalcHash(), and SaltedOutpointHasher::operator()().