From 6ac7f9f144757f5f1a049c059351b978f83d1476 Mon Sep 17 00:00:00 2001 From: Satoshi Nakamoto Date: Sun, 15 Aug 2010 23:06:05 +0000 Subject: [PATCH] misc changes --- init.cpp | 2 + main.cpp | 72 ++++++--- main.h | 9 +- script.cpp | 76 ++++++---- serialize.h | 4 +- setup.nsi | 6 +- sha256.cpp | 419 ++++++++++++++++++++++++++++++++++++++++++++++++++++ util.cpp | 8 + 8 files changed, 538 insertions(+), 58 deletions(-) create mode 100644 sha256.cpp diff --git a/init.cpp b/init.cpp index 53e0362ae..af8ad753b 100644 --- a/init.cpp +++ b/init.cpp @@ -373,6 +373,8 @@ bool AppInit2(int argc, char* argv[]) wxMessageBox(_("Invalid amount for -paytxfee="), "Bitcoin"); return false; } + if (nTransactionFee > 1 * COIN) + wxMessageBox(_("Warning: -paytxfee is set very high. This is the transaction fee you will pay if you send a transaction."), "Bitcoin"); } // diff --git a/main.cpp b/main.cpp index ec03964b5..cc263db28 100644 --- a/main.cpp +++ b/main.cpp @@ -538,7 +538,7 @@ bool CTransaction::AcceptTransaction(CTxDB& txdb, bool fCheckInputs, bool* pfMis // Check against previous transactions map mapUnused; int64 nFees = 0; - if (fCheckInputs && !ConnectInputs(txdb, mapUnused, CDiskTxPos(1,1,1), 0, nFees, false, false)) + if (fCheckInputs && !ConnectInputs(txdb, mapUnused, CDiskTxPos(1,1,1), pindexBest, nFees, false, false)) { if (pfMissingInputs) *pfMissingInputs = true; @@ -744,7 +744,7 @@ void ResendWalletTransactions() if (GetTime() < nNextTime) return; bool fFirst = (nNextTime == 0); - nNextTime = GetTime() + GetRand(120 * 60); + nNextTime = GetTime() + GetRand(30 * 60); if (fFirst) return; @@ -760,7 +760,7 @@ void ResendWalletTransactions() CWalletTx& wtx = item.second; // Don't rebroadcast until it's had plenty of time that // it should have gotten in already by now. - if (nTimeBestReceived - wtx.nTimeReceived > 60 * 60) + if (nTimeBestReceived - (int64)wtx.nTimeReceived > 5 * 60) mapSorted.insert(make_pair(wtx.nTimeReceived, &wtx)); } foreach(PAIRTYPE(const unsigned int, CWalletTx*)& item, mapSorted) @@ -931,7 +931,8 @@ bool CTransaction::DisconnectInputs(CTxDB& txdb) } -bool CTransaction::ConnectInputs(CTxDB& txdb, map& mapTestPool, CDiskTxPos posThisTx, int nHeight, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee) +bool CTransaction::ConnectInputs(CTxDB& txdb, map& mapTestPool, CDiskTxPos posThisTx, + CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee) { // Take over previous transactions' spent pointers if (!IsCoinBase()) @@ -983,9 +984,9 @@ bool CTransaction::ConnectInputs(CTxDB& txdb, map& mapTestPoo // If prev is coinbase, check that it's matured if (txPrev.IsCoinBase()) - for (CBlockIndex* pindex = pindexBest; pindex && nBestHeight - pindex->nHeight < COINBASE_MATURITY-1; pindex = pindex->pprev) + for (CBlockIndex* pindex = pindexBlock; pindex && pindexBlock->nHeight - pindex->nHeight < COINBASE_MATURITY; pindex = pindex->pprev) if (pindex->nBlockPos == txindex.pos.nBlockPos && pindex->nFile == txindex.pos.nFile) - return error("ConnectInputs() : tried to spend coinbase at depth %d", nBestHeight - pindex->nHeight); + return error("ConnectInputs() : tried to spend coinbase at depth %d", pindexBlock->nHeight - pindex->nHeight); // Verify signature if (!VerifySignature(txPrev, *this, i)) @@ -1019,7 +1020,7 @@ bool CTransaction::ConnectInputs(CTxDB& txdb, map& mapTestPoo if (fBlock) { // Add transaction to disk index - if (!txdb.AddTxIndex(*this, posThisTx, nHeight)) + if (!txdb.AddTxIndex(*this, posThisTx, pindexBlock->nHeight)) return error("ConnectInputs() : AddTxPos failed"); } else if (fMiner) @@ -1108,7 +1109,7 @@ bool CBlock::ConnectBlock(CTxDB& txdb, CBlockIndex* pindex) CDiskTxPos posThisTx(pindex->nFile, pindex->nBlockPos, nTxPos); nTxPos += ::GetSerializeSize(tx, SER_DISK); - if (!tx.ConnectInputs(txdb, mapUnused, posThisTx, pindex->nHeight, nFees, true, false)) + if (!tx.ConnectInputs(txdb, mapUnused, posThisTx, pindex, nFees, true, false)) return false; } @@ -1379,14 +1380,12 @@ bool CBlock::AcceptBlock() return error("AcceptBlock() : incorrect proof of work"); // Check that the block chain matches the known block chain up to a checkpoint - if (pindexPrev->nHeight+1 == 11111 && hash != uint256("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d")) - return error("AcceptBlock() : rejected by checkpoint lockin at 11111"); - if (pindexPrev->nHeight+1 == 33333 && hash != uint256("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6")) - return error("AcceptBlock() : rejected by checkpoint lockin at 33333"); - if (pindexPrev->nHeight+1 == 68555 && hash != uint256("0x00000000001e1b4903550a0b96e9a9405c8a95f387162e4944e8d9fbe501cd6a")) - return error("AcceptBlock() : rejected by checkpoint lockin at 68555"); - if (pindexPrev->nHeight+1 == 70567 && hash != uint256("0x00000000006a49b14bcf27462068f1264c961f11fa2e0eddd2be0791e1d4124a")) - return error("AcceptBlock() : rejected by checkpoint lockin at 70567"); + if ((pindexPrev->nHeight+1 == 11111 && hash != uint256("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d")) || + (pindexPrev->nHeight+1 == 33333 && hash != uint256("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6")) || + (pindexPrev->nHeight+1 == 68555 && hash != uint256("0x00000000001e1b4903550a0b96e9a9405c8a95f387162e4944e8d9fbe501cd6a")) || + (pindexPrev->nHeight+1 == 70567 && hash != uint256("0x00000000006a49b14bcf27462068f1264c961f11fa2e0eddd2be0791e1d4124a")) || + (pindexPrev->nHeight+1 == 74000 && hash != uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"))) + return error("AcceptBlock() : rejected by checkpoint lockin"); // Write block to history file if (!CheckDiskSpace(::GetSerializeSize(*this, SER_DISK))) @@ -2577,6 +2576,8 @@ inline void SHA256Transform(void* pstate, void* pinput, const void* pinit) CryptoPP::SHA256::Transform((CryptoPP::word32*)pstate, (CryptoPP::word32*)pinput); } +static const int NPAR = 32; +extern void Double_BlockSHA256(const void* pin, void* pout, const void* pinit, unsigned int hash[8][NPAR], const void* init2); @@ -2658,7 +2659,7 @@ void BitcoinMiner() int64 nMinFee = tx.GetMinFee(nBlockSize); map mapTestPoolTmp(mapTestPool); - if (!tx.ConnectInputs(txdb, mapTestPoolTmp, CDiskTxPos(1,1,1), 0, nFees, false, true, nMinFee)) + if (!tx.ConnectInputs(txdb, mapTestPoolTmp, CDiskTxPos(1,1,1), pindexPrev, nFees, false, true, nMinFee)) continue; swap(mapTestPool, mapTestPoolTmp); @@ -2719,14 +2720,40 @@ void BitcoinMiner() // // Search // + bool f4WaySSE2 = mapArgs.count("-4way"); int64 nStart = GetTime(); uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256(); uint256 hashbuf[2]; uint256& hash = *alignup<16>(hashbuf); loop { - SHA256Transform(&tmp.hash1, (char*)&tmp.block + 64, &midstate); - SHA256Transform(&hash, &tmp.hash1, pSHA256InitState); +#ifdef FOURWAYSSE2 + if (f4WaySSE2) + { + // tcatm's 4-way SSE2 SHA-256 + tmp.block.nNonce += NPAR; + unsigned int thashbuf[9][NPAR]; + unsigned int (&thash)[9][NPAR] = *alignup<16>(&thashbuf); + Double_BlockSHA256((char*)&tmp.block + 64, &tmp.hash1, &midstate, thash, pSHA256InitState); + ((unsigned short*)&hash)[14] = 0xffff; + for (int j = 0; j < NPAR; j++) + { + if (thash[7][j] == 0) + { + for (int i = 0; i < sizeof(hash)/4; i++) + ((unsigned int*)&hash)[i] = thash[i][j]; + pblock->nNonce = ByteReverse(tmp.block.nNonce + j); + } + } + } + else +#endif + { + // Crypto++ SHA-256 + tmp.block.nNonce++; + SHA256Transform(&tmp.hash1, (char*)&tmp.block + 64, &midstate); + SHA256Transform(&hash, &tmp.hash1, pSHA256InitState); + } if (((unsigned short*)&hash)[14] == 0) { @@ -2736,7 +2763,10 @@ void BitcoinMiner() if (hash <= hashTarget) { - pblock->nNonce = ByteReverse(tmp.block.nNonce); +#ifdef FOURWAYSSE2 + if (!f4WaySSE2) +#endif + pblock->nNonce = ByteReverse(tmp.block.nNonce); assert(hash == pblock->GetHash()); //// debug print @@ -2775,7 +2805,7 @@ void BitcoinMiner() // Update nTime every few seconds const unsigned int nMask = 0xffff; const int nHashesPerCycle = (nMask+1); - if ((++tmp.block.nNonce & nMask) == 0) + if ((tmp.block.nNonce & nMask) == 0) { // Meter hashes/sec static int nCycleCounter; diff --git a/main.h b/main.h index 80687c861..3cedf841d 100644 --- a/main.h +++ b/main.h @@ -473,12 +473,8 @@ public: // Check for negative values foreach(const CTxOut& txout, vout) - { if (txout.nValue < 0) return error("CTransaction::CheckTransaction() : txout.nValue negative"); - if (txout.nValue > 21000000*COIN) - return error("CTransaction::CheckTransaction() : txout.nValue over-max"); - } if (IsCoinBase()) { @@ -524,8 +520,6 @@ public: int64 nValueOut = 0; foreach(const CTxOut& txout, vout) { - if (txout.nValue > 21000000*COIN) - continue; // ignore over-max-value... if (txout.nValue < 0) throw runtime_error("CTransaction::GetValueOut() : negative value"); nValueOut += txout.nValue; @@ -619,7 +613,8 @@ public: bool DisconnectInputs(CTxDB& txdb); - bool ConnectInputs(CTxDB& txdb, map& mapTestPool, CDiskTxPos posThisTx, int nHeight, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee=0); + bool ConnectInputs(CTxDB& txdb, map& mapTestPool, CDiskTxPos posThisTx, + CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee=0); bool ClientConnectInputs(); bool AcceptTransaction(CTxDB& txdb, bool fCheckInputs=true, bool* pfMissingInputs=NULL); diff --git a/script.cpp b/script.cpp index 96d9c371a..26c1f4a93 100644 --- a/script.cpp +++ b/script.cpp @@ -16,12 +16,30 @@ static const CBigNum bnZero(0); static const CBigNum bnOne(1); static const CBigNum bnFalse(0); static const CBigNum bnTrue(1); -static const size_t nMaxNumSize = 258; +static const size_t nMaxNumSize = 4; +CBigNum CastToBigNum(const valtype& vch) +{ + if (vch.size() > nMaxNumSize) + throw runtime_error("CastToBigNum() : overflow"); + // Get rid of extra leading zeros + return CBigNum(CBigNum(vch).getvch()); +} + bool CastToBool(const valtype& vch) { - return (CBigNum(vch) != bnZero); + for (int i = 0; i < vch.size(); i++) + { + if (vch[i] != 0) + { + // Can be negative zero + if (i == vch.size()-1 && vch[i] == 0x80) + return false; + return true; + } + } + return false; } void MakeSameSize(valtype& vch1, valtype& vch2) @@ -68,11 +86,28 @@ bool EvalScript(vector >& stack, const CScript& script, co valtype vchPushValue; if (!script.GetOp(pc, opcode, vchPushValue)) return false; - if (vchPushValue.size() > 5000) + if (vchPushValue.size() > 520) return false; if (opcode > OP_16 && nOpCount++ > 200) return false; + if (opcode == OP_CAT || + opcode == OP_SUBSTR || + opcode == OP_LEFT || + opcode == OP_RIGHT || + opcode == OP_INVERT || + opcode == OP_AND || + opcode == OP_OR || + opcode == OP_XOR || + opcode == OP_2MUL || + opcode == OP_2DIV || + opcode == OP_MUL || + opcode == OP_DIV || + opcode == OP_MOD || + opcode == OP_LSHIFT || + opcode == OP_RSHIFT) + return false; + if (fExec && opcode <= OP_PUSHDATA4) stack.push_back(vchPushValue); else if (fExec || (OP_IF <= opcode && opcode <= OP_ENDIF)) @@ -332,7 +367,7 @@ bool EvalScript(vector >& stack, const CScript& script, co // (xn ... x2 x1 x0 n - ... x2 x1 x0 xn) if (stack.size() < 2) return false; - int n = CBigNum(stacktop(-1)).getint(); + int n = CastToBigNum(stacktop(-1)).getint(); stack.pop_back(); if (n < 0 || n >= stack.size()) return false; @@ -387,7 +422,7 @@ bool EvalScript(vector >& stack, const CScript& script, co valtype& vch2 = stacktop(-1); vch1.insert(vch1.end(), vch2.begin(), vch2.end()); stack.pop_back(); - if (stacktop(-1).size() > 5000) + if (stacktop(-1).size() > 520) return false; } break; @@ -398,8 +433,8 @@ bool EvalScript(vector >& stack, const CScript& script, co if (stack.size() < 3) return false; valtype& vch = stacktop(-3); - int nBegin = CBigNum(stacktop(-2)).getint(); - int nEnd = nBegin + CBigNum(stacktop(-1)).getint(); + int nBegin = CastToBigNum(stacktop(-2)).getint(); + int nEnd = nBegin + CastToBigNum(stacktop(-1)).getint(); if (nBegin < 0 || nEnd < nBegin) return false; if (nBegin > vch.size()) @@ -420,7 +455,7 @@ bool EvalScript(vector >& stack, const CScript& script, co if (stack.size() < 2) return false; valtype& vch = stacktop(-2); - int nSize = CBigNum(stacktop(-1)).getint(); + int nSize = CastToBigNum(stacktop(-1)).getint(); if (nSize < 0) return false; if (nSize > vch.size()) @@ -531,9 +566,7 @@ bool EvalScript(vector >& stack, const CScript& script, co // (in -- out) if (stack.size() < 1) return false; - if (stacktop(-1).size() > nMaxNumSize) - return false; - CBigNum bn(stacktop(-1)); + CBigNum bn = CastToBigNum(stacktop(-1)); switch (opcode) { case OP_1ADD: bn += bnOne; break; @@ -572,11 +605,8 @@ bool EvalScript(vector >& stack, const CScript& script, co // (x1 x2 -- out) if (stack.size() < 2) return false; - if (stacktop(-2).size() > nMaxNumSize || - stacktop(-1).size() > nMaxNumSize) - return false; - CBigNum bn1(stacktop(-2)); - CBigNum bn2(stacktop(-1)); + CBigNum bn1 = CastToBigNum(stacktop(-2)); + CBigNum bn2 = CastToBigNum(stacktop(-1)); CBigNum bn; switch (opcode) { @@ -646,13 +676,9 @@ bool EvalScript(vector >& stack, const CScript& script, co // (x min max -- out) if (stack.size() < 3) return false; - if (stacktop(-3).size() > nMaxNumSize || - stacktop(-2).size() > nMaxNumSize || - stacktop(-1).size() > nMaxNumSize) - return false; - CBigNum bn1(stacktop(-3)); - CBigNum bn2(stacktop(-2)); - CBigNum bn3(stacktop(-1)); + CBigNum bn1 = CastToBigNum(stacktop(-3)); + CBigNum bn2 = CastToBigNum(stacktop(-2)); + CBigNum bn3 = CastToBigNum(stacktop(-1)); bool fValue = (bn2 <= bn1 && bn1 < bn3); stack.pop_back(); stack.pop_back(); @@ -748,7 +774,7 @@ bool EvalScript(vector >& stack, const CScript& script, co if (stack.size() < i) return false; - int nKeysCount = CBigNum(stacktop(-i)).getint(); + int nKeysCount = CastToBigNum(stacktop(-i)).getint(); if (nKeysCount < 0) return false; int ikey = ++i; @@ -756,7 +782,7 @@ bool EvalScript(vector >& stack, const CScript& script, co if (stack.size() < i) return false; - int nSigsCount = CBigNum(stacktop(-i)).getint(); + int nSigsCount = CastToBigNum(stacktop(-i)).getint(); if (nSigsCount < 0 || nSigsCount > nKeysCount) return false; int isig = ++i; diff --git a/serialize.h b/serialize.h index d13fd194c..89b5c2bef 100644 --- a/serialize.h +++ b/serialize.h @@ -19,8 +19,8 @@ class CScript; class CDataStream; class CAutoFile; -static const int VERSION = 308; -static const char* pszSubVer = ".4"; +static const int VERSION = 309; +static const char* pszSubVer = ".0"; diff --git a/setup.nsi b/setup.nsi index 9f78c029b..3e67bc2bf 100644 --- a/setup.nsi +++ b/setup.nsi @@ -7,7 +7,7 @@ RequestExecutionLevel highest # General Symbol Definitions !define REGKEY "SOFTWARE\$(^Name)" -!define VERSION 0.3.8 +!define VERSION 0.3.9 !define COMPANY "Bitcoin project" !define URL http://www.bitcoin.org/ @@ -42,12 +42,12 @@ Var StartMenuGroup !insertmacro MUI_LANGUAGE English # Installer attributes -OutFile bitcoin-0.3.8-win32-setup.exe +OutFile bitcoin-0.3.9-win32-setup.exe InstallDir $PROGRAMFILES\Bitcoin CRCCheck on XPStyle on ShowInstDetails show -VIProductVersion 0.3.8.0 +VIProductVersion 0.3.9.0 VIAddVersionKey ProductName Bitcoin VIAddVersionKey ProductVersion "${VERSION}" VIAddVersionKey CompanyName "${COMPANY}" diff --git a/sha256.cpp b/sha256.cpp new file mode 100644 index 000000000..d564c7950 --- /dev/null +++ b/sha256.cpp @@ -0,0 +1,419 @@ +// Copyright (c) 2010 Satoshi Nakamoto +// Distributed under the MIT/X11 software license, see the accompanying +// file license.txt or http://www.opensource.org/licenses/mit-license.php. + +#include +#include + +#include +#include +#include + +#define NPAR 32 + +static const unsigned int sha256_consts[] = { + 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, /* 0 */ + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, /* 8 */ + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, /* 16 */ + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, /* 24 */ + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, /* 32 */ + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, /* 40 */ + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, /* 48 */ + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, /* 56 */ + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 +}; + + +static inline __m128i Ch(const __m128i b, const __m128i c, const __m128i d) { + return (b & c) ^ (~b & d); +} + +static inline __m128i Maj(const __m128i b, const __m128i c, const __m128i d) { + return (b & c) ^ (b & d) ^ (c & d); +} + +static inline __m128i ROTR(__m128i x, const int n) { + return _mm_srli_epi32(x, n) | _mm_slli_epi32(x, 32 - n); +} + +static inline __m128i SHR(__m128i x, const int n) { + return _mm_srli_epi32(x, n); +} + +/* SHA256 Functions */ +#define BIGSIGMA0_256(x) (ROTR((x), 2) ^ ROTR((x), 13) ^ ROTR((x), 22)) +#define BIGSIGMA1_256(x) (ROTR((x), 6) ^ ROTR((x), 11) ^ ROTR((x), 25)) +#define SIGMA0_256(x) (ROTR((x), 7) ^ ROTR((x), 18) ^ SHR((x), 3)) +#define SIGMA1_256(x) (ROTR((x), 17) ^ ROTR((x), 19) ^ SHR((x), 10)) + +static inline unsigned int store32(const __m128i x, int i) { + union { unsigned int ret[4]; __m128i x; } box; + box.x = x; + return box.ret[i]; +} + +static inline void store_epi32(const __m128i x, unsigned int *x0, unsigned int *x1, unsigned int *x2, unsigned int *x3) { + union { unsigned int ret[4]; __m128i x; } box; + box.x = x; + *x0 = box.ret[3]; *x1 = box.ret[2]; *x2 = box.ret[1]; *x3 = box.ret[0]; +} + +#define add4(x0, x1, x2, x3) _mm_add_epi32(_mm_add_epi32(_mm_add_epi32(x0, x1), x2), x3) +#define add5(x0, x1, x2, x3, x4) _mm_add_epi32(add4(x0, x1, x2, x3), x4) + +#define SHA256ROUND(a, b, c, d, e, f, g, h, i, w) \ + T1 = add5(h, BIGSIGMA1_256(e), Ch(e, f, g), _mm_set1_epi32(sha256_consts[i]), w); \ +d = _mm_add_epi32(d, T1); \ +h = _mm_add_epi32(T1, _mm_add_epi32(BIGSIGMA0_256(a), Maj(a, b, c))); + +static inline void dumpreg(__m128i x, char *msg) { + union { unsigned int ret[4]; __m128i x; } box; + box.x = x ; + printf("%s %08x %08x %08x %08x\n", msg, box.ret[0], box.ret[1], box.ret[2], box.ret[3]); +} + +#if 1 +#define dumpstate(i) printf("%s: %08x %08x %08x %08x %08x %08x %08x %08x %08x\n", \ + __func__, store32(w0, i), store32(a, i), store32(b, i), store32(c, i), store32(d, i), store32(e, i), store32(f, i), store32(g, i), store32(h, i)); +#else +#define dumpstate() +#endif +void Double_BlockSHA256(const void* pin, void* pad, const void *pre, unsigned int thash[9][NPAR], const void *init) +{ + unsigned int* In = (unsigned int*)pin; + unsigned int* Pad = (unsigned int*)pad; + unsigned int* hPre = (unsigned int*)pre; + unsigned int* hInit = (unsigned int*)init; + unsigned int i, j, k; + + /* vectors used in calculation */ + __m128i w0, w1, w2, w3, w4, w5, w6, w7; + __m128i w8, w9, w10, w11, w12, w13, w14, w15; + __m128i T1; + __m128i a, b, c, d, e, f, g, h; + __m128i nonce; + + /* nonce offset for vector */ + __m128i offset = _mm_set_epi32(0x00000003, 0x00000002, 0x00000001, 0x00000000); + + + for(k = 0; k