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hash.h
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hash.h
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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Copyright (c) Hav0k, Renesis 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 "uint256.h"
#include "serialize.h"
#include <openssl/sha.h>
#include <openssl/ripemd.h>
#include "obj/renesis/sph_skein.h"
#include "obj/renesis/sph_keccak.h"
#include "obj/renesis/sph_simd.h"
#include "obj/renesis/sph_shavite.h"
#include "obj/renesis/sph_jh.h"
#include "obj/renesis/sph_cubehash.h"
#include "obj/renesis/sph_fugue.h"
#include "obj/renesis/sph_gost.h"
#ifndef QT_NO_DEBUG
#include <string>
#endif
#ifdef GLOBALDEFINED
#define GLOBAL
#else
#define GLOBAL extern
#endif
GLOBAL sph_skein512_context z_skein;
GLOBAL sph_keccak512_context z_keccak;
GLOBAL sph_simd512_context z_simd;
GLOBAL sph_shavite512_context z_shavite;
GLOBAL sph_jh512_context z_jh;
GLOBAL sph_cubehash512_context z_cubehash;
GLOBAL sph_fugue512_context z_fugue;
GLOBAL sph_gost512_context z_gost;
#define fillz() do { \
sph_skein512_init(&z_skein); \
sph_keccak512_init(&z_keccak); \
sph_simd512_init(&z_simd); \
sph_shavite512_init(&z_shavite); \
sph_jh512_init(&z_shavite); \
sph_cubehash512_init(&z_cubehash); \
sph_fugue512_init(&z_fugue); \
sph_gost512_init(&z_gost); \
} while (0)
#define ZSKEIN (memcpy(&ctx_skein, &z_skein, sizeof(z_skein)))
#define ZKECCAK (memcpy(&ctx_keccak, &z_keccak, sizeof(z_keccak)))
#define ZSIMD (memcpy(&ctx_simd, &z_simd, sizeof(z_simd)))
#define ZSHAVITE (memcpy(&ctx_shavite, &z_shavite, sizeof(z_shavite)))
#define ZJH (memcpy(&ctx_jh, &z_jh, sizeof(z_jh)))
#define CUBEHASH (memcpy(&ctx_cubehash, &z_cubehash, sizeof(z_cubehash)))
#define ZFUGUE (memcpy(&ctx_fugue, &z_fugue, sizeof(z_fugue)))
#define ZGOST (memcpy(&ctx_gost, &z_gost, sizeof(z_gost)))
template<typename T1>
inline uint256 renesis(const T1 pbegin, const T1 pend)
{
sph_skein512_context ctx_skein;
sph_keccak512_context ctx_keccak;
sph_simd512_context ctx_simd;
sph_shavite512_context ctx_shavite;
sph_jh512_context ctx_jh;
sph_cubehash512_context ctx_cubehash;
sph_fugue512_context ctx_fugue;
sph_gost512_context ctx_gost;
static unsigned char pblank[1];
#ifndef QT_NO_DEBUG
//std::string strhash;
//strhash = "";
#endif
uint512 hash[17];
sph_skein512_init(&ctx_skein);
sph_skein512 (&ctx_skein, (pbegin == pend ? pblank : static_cast<const void*>(&pbegin[0])), (pend - pbegin) * sizeof(pbegin[0]));
sph_skein512_close(&ctx_skein, static_cast<void*>(&hash[0]));
sph_keccak512_init(&ctx_keccak);
sph_keccak512 (&ctx_keccak, static_cast<const void*>(&hash[0]), 64);
sph_keccak512_close(&ctx_keccak, static_cast<void*>(&hash[1]));
sph_simd512_init(&ctx_simd);
sph_simd512 (&ctx_simd, static_cast<const void*>(&hash[1]), 64);
sph_simd512_close(&ctx_simd, static_cast<void*>(&hash[2]));
sph_shavite512_init(&ctx_shavite);
sph_shavite512 (&ctx_shavite, static_cast<const void*>(&hash[2]), 64);
sph_shavite512_close(&ctx_shavite, static_cast<void*>(&hash[3]));
sph_jh512_init(&ctx_jh);
sph_jh512 (&ctx_jh, static_cast<const void*>(&hash[3]), 64);
sph_jh512_close(&ctx_jh, static_cast<void*>(&hash[4]));
sph_cubehash512_init(&ctx_cubehash);
sph_cubehash512 (&ctx_cubehash, static_cast<const void*>(&hash[4]), 64);
sph_cubehash512_close(&ctx_cubehash, static_cast<void*>(&hash[5]));
sph_fugue512_init(&ctx_fugue);
sph_fugue512 (&ctx_fugue, static_cast<const void*>(&hash[5]), 64);
sph_fugue512_close(&ctx_fugue, static_cast<void*>(&hash[6]));
sph_gost512_init(&ctx_gost);
sph_gost512 (&ctx_gost, static_cast<const void*>(&hash[6]), 64);
sph_gost512_close(&ctx_gost, static_cast<void*>(&hash[7]));
return hash[7].trim256();
}
template<typename T1>
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<typename T>
CHashWriter& operator<<(const T& obj) {
// Serialize to this stream
::Serialize(*this, obj, nType, nVersion);
return (*this);
}
};
template<typename T1, typename T2>
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<typename T1, typename T2, typename T3>
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<typename T>
uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=PROTOCOL_VERSION)
{
CHashWriter ss(nType, nVersion);
ss << obj;
return ss.GetHash();
}
template<typename T1>
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<unsigned char>& vch)
{
return Hash160(vch.begin(), vch.end());
}
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