From: CryptoManiac Date: Wed, 19 Feb 2014 19:29:08 +0000 (+0400) Subject: Split off hash.h from util.h X-Git-Tag: v0.4.4.7-nvc-bugfix3~3^2~1 X-Git-Url: https://git.novaco.in/?p=novacoin.git;a=commitdiff_plain;h=86a9798288cedba661c7d29d0979029af21723d7 Split off hash.h from util.h --- diff --git a/novacoin-qt.pro b/novacoin-qt.pro index d21cfaa..5871e22 100644 --- a/novacoin-qt.pro +++ b/novacoin-qt.pro @@ -161,6 +161,7 @@ HEADERS += src/qt/bitcoingui.h \ src/coincontrol.h \ src/sync.h \ src/util.h \ + src/hash.h \ src/uint256.h \ src/kernel.h \ src/scrypt.h \ diff --git a/src/addrman.cpp b/src/addrman.cpp index 4428cd1..780edde 100644 --- a/src/addrman.cpp +++ b/src/addrman.cpp @@ -3,6 +3,7 @@ // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include "addrman.h" +#include "hash.h" using namespace std; diff --git a/src/hash.h b/src/hash.h new file mode 100644 index 0000000..7dbf1b6 --- /dev/null +++ b/src/hash.h @@ -0,0 +1,139 @@ +// Copyright (c) 2009-2010 Satoshi Nakamoto +// Copyright (c) 2009-2013 The Bitcoin developers +// Distributed under the MIT/X11 software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifndef BITCOIN_HASH_H +#define BITCOIN_HASH_H + +#include "serialize.h" +#include "uint256.h" +#include "version.h" + +#include + +#include +#include + +template +inline uint256 Hash(const T1 pbegin, const T1 pend) +{ + static unsigned char pblank[1]; + uint256 hash1; + SHA256((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1); + uint256 hash2; + SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); + return hash2; +} + +class CHashWriter +{ +private: + SHA256_CTX ctx; + +public: + int nType; + int nVersion; + + void Init() { + SHA256_Init(&ctx); + } + + CHashWriter(int nTypeIn, int nVersionIn) : nType(nTypeIn), nVersion(nVersionIn) { + Init(); + } + + CHashWriter& write(const char *pch, size_t size) { + SHA256_Update(&ctx, pch, size); + return (*this); + } + + // invalidates the object + uint256 GetHash() { + uint256 hash1; + SHA256_Final((unsigned char*)&hash1, &ctx); + uint256 hash2; + SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); + return hash2; + } + + template + CHashWriter& operator<<(const T& obj) { + // Serialize to this stream + ::Serialize(*this, obj, nType, nVersion); + return (*this); + } +}; + + +template +inline uint256 Hash(const T1 p1begin, const T1 p1end, + const T2 p2begin, const T2 p2end) +{ + static unsigned char pblank[1]; + uint256 hash1; + SHA256_CTX ctx; + SHA256_Init(&ctx); + SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0])); + SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0])); + SHA256_Final((unsigned char*)&hash1, &ctx); + uint256 hash2; + SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); + return hash2; +} + +template +inline uint256 Hash(const T1 p1begin, const T1 p1end, + const T2 p2begin, const T2 p2end, + const T3 p3begin, const T3 p3end) +{ + static unsigned char pblank[1]; + uint256 hash1; + SHA256_CTX ctx; + SHA256_Init(&ctx); + SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0])); + SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0])); + SHA256_Update(&ctx, (p3begin == p3end ? pblank : (unsigned char*)&p3begin[0]), (p3end - p3begin) * sizeof(p3begin[0])); + SHA256_Final((unsigned char*)&hash1, &ctx); + uint256 hash2; + SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); + return hash2; +} + +template +uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=PROTOCOL_VERSION) +{ + CHashWriter ss(nType, nVersion); + ss << obj; + return ss.GetHash(); +} + +template +inline uint160 Hash160(const T1 pbegin, const T1 pend) +{ + static unsigned char pblank[1]; + uint256 hash1; + SHA256((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1); + uint160 hash2; + RIPEMD160((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); + return hash2; +} + +inline uint160 Hash160(const std::vector& vch) +{ + return Hash160(vch.begin(), vch.end()); +} + +unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector& vDataToHash); + +typedef struct +{ + SHA512_CTX ctxInner; + SHA512_CTX ctxOuter; +} HMAC_SHA512_CTX; + +int HMAC_SHA512_Init(HMAC_SHA512_CTX *pctx, const void *pkey, size_t len); +int HMAC_SHA512_Update(HMAC_SHA512_CTX *pctx, const void *pdata, size_t len); +int HMAC_SHA512_Final(unsigned char *pmd, HMAC_SHA512_CTX *pctx); + +#endif diff --git a/src/key.h b/src/key.h index deabc86..e07fde9 100644 --- a/src/key.h +++ b/src/key.h @@ -11,7 +11,7 @@ #include "allocators.h" #include "serialize.h" #include "uint256.h" -#include "util.h" +#include "hash.h" #include // for EC_KEY definition diff --git a/src/net.h b/src/net.h index 8a8916a..be71da9 100644 --- a/src/net.h +++ b/src/net.h @@ -18,6 +18,7 @@ #include "netbase.h" #include "protocol.h" #include "addrman.h" +#include "hash.h" class CRequestTracker; class CNode; diff --git a/src/netbase.cpp b/src/netbase.cpp index 42e08db..ea0564f 100644 --- a/src/netbase.cpp +++ b/src/netbase.cpp @@ -6,6 +6,7 @@ #include "util.h" #include "netbase.h" #include "sync.h" +#include "hash.h" #ifndef WIN32 #include diff --git a/src/util.h b/src/util.h index 8c5f379..20e0c9a 100644 --- a/src/util.h +++ b/src/util.h @@ -23,9 +23,6 @@ #include #include -#include -#include - #include "netbase.h" // for AddTimeData typedef long long int64; @@ -433,116 +430,6 @@ bool SoftSetArg(const std::string& strArg, const std::string& strValue); */ bool SoftSetBoolArg(const std::string& strArg, bool fValue); - - - - - - - - -template -inline uint256 Hash(const T1 pbegin, const T1 pend) -{ - static unsigned char pblank[1]; - uint256 hash1; - SHA256((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1); - uint256 hash2; - SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); - return hash2; -} - -class CHashWriter -{ -private: - SHA256_CTX ctx; - -public: - int nType; - int nVersion; - - void Init() { - SHA256_Init(&ctx); - } - - CHashWriter(int nTypeIn, int nVersionIn) : nType(nTypeIn), nVersion(nVersionIn) { - Init(); - } - - CHashWriter& write(const char *pch, size_t size) { - SHA256_Update(&ctx, pch, size); - return (*this); - } - - // invalidates the object - uint256 GetHash() { - uint256 hash1; - SHA256_Final((unsigned char*)&hash1, &ctx); - uint256 hash2; - SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); - return hash2; - } - - template - CHashWriter& operator<<(const T& obj) { - // Serialize to this stream - ::Serialize(*this, obj, nType, nVersion); - return (*this); - } -}; - - -template -inline uint256 Hash(const T1 p1begin, const T1 p1end, - const T2 p2begin, const T2 p2end) -{ - static unsigned char pblank[1]; - uint256 hash1; - SHA256_CTX ctx; - SHA256_Init(&ctx); - SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0])); - SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0])); - SHA256_Final((unsigned char*)&hash1, &ctx); - uint256 hash2; - SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); - return hash2; -} - -template -inline uint256 Hash(const T1 p1begin, const T1 p1end, - const T2 p2begin, const T2 p2end, - const T3 p3begin, const T3 p3end) -{ - static unsigned char pblank[1]; - uint256 hash1; - SHA256_CTX ctx; - SHA256_Init(&ctx); - SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0])); - SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0])); - SHA256_Update(&ctx, (p3begin == p3end ? pblank : (unsigned char*)&p3begin[0]), (p3end - p3begin) * sizeof(p3begin[0])); - SHA256_Final((unsigned char*)&hash1, &ctx); - uint256 hash2; - SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); - return hash2; -} - -template -uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=PROTOCOL_VERSION) -{ - CHashWriter ss(nType, nVersion); - ss << obj; - return ss.GetHash(); -} - -inline uint160 Hash160(const std::vector& vch) -{ - uint256 hash1; - SHA256(&vch[0], vch.size(), (unsigned char*)&hash1); - uint160 hash2; - RIPEMD160((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); - return hash2; -} - /** * Timing-attack-resistant comparison. * Takes time proportional to length