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Add Node Please? #3

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4 changes: 3 additions & 1 deletion binding.gyp
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Original file line number Diff line number Diff line change
Expand Up @@ -50,12 +50,14 @@
"crypto/hash.c",
"crypto/aesb.c",
"crypto/wild_keccak.cpp",
"cn_heavy/cn_slow_hash_hard_intel.cpp",
"cn_heavy/cn_slow_hash_soft.cpp",
],
"include_dirs": [
"crypto",
],
"cflags_cc": [
"-std=c++0x"
"-std=c++11"
],
}
]
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1 change: 1 addition & 0 deletions boolberry.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2,5 +2,6 @@

#include <stdint.h>
#include <string>
#include "crypto/hash.hpp"

void boolberry_hash(const char* input, uint32_t input_len, const char* scratchpad, uint64_t spad_length, char* output, uint64_t height);
247 changes: 247 additions & 0 deletions cn_heavy/cn_slow_hash.hpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,247 @@
// Copyright (c) 2017, SUMOKOIN
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2014-2017, The Monero Project
// Parts of this file are originally copyright (c) 2012-2013, The Cryptonote developers

#pragma once

#include <inttypes.h>
#include <stddef.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>

#if defined(_WIN32) || defined(_WIN64)
#include <malloc.h>
#include <intrin.h>
#define HAS_WIN_INTRIN_API
#endif

// Note HAS_INTEL_HW and future HAS_ARM_HW only mean we can emit the AES instructions
// check CPU support for the hardware AES encryption has to be done at runtime
#if defined(__x86_64__) || defined(__i386__) || defined(_M_X86) || defined(_M_X64)
#ifdef __GNUC__
#include <x86intrin.h>
#pragma GCC target ("aes")
#if !defined(HAS_WIN_INTRIN_API)
#include <cpuid.h>
#endif // !defined(HAS_WIN_INTRIN_API)
#endif // __GNUC__
#define HAS_INTEL_HW
#endif

namespace cn_heavy {

#ifdef HAS_INTEL_HW
inline void cpuid(uint32_t eax, int32_t ecx, int32_t val[4])
{
val[0] = 0;
val[1] = 0;
val[2] = 0;
val[3] = 0;

#if defined(HAS_WIN_INTRIN_API)
__cpuidex(val, eax, ecx);
#else
__cpuid_count(eax, ecx, val[0], val[1], val[2], val[3]);
#endif
}

inline bool hw_check_aes()
{
int32_t cpu_info[4];
cpuid(1, 0, cpu_info);
return (cpu_info[2] & (1 << 25)) != 0;
}
#endif

#ifdef HAS_ARM_HW
inline bool hw_check_aes()
{
return false;
}
#endif

#if !defined(HAS_INTEL_HW) && !defined(HAS_ARM_HW)
inline bool hw_check_aes()
{
return false;
}
#endif

// This cruft avoids casting-galore and allows us not to worry about sizeof(void*)
class cn_sptr
{
public:
cn_sptr() : base_ptr(nullptr) {}
cn_sptr(uint64_t* ptr) { base_ptr = ptr; }
cn_sptr(uint32_t* ptr) { base_ptr = ptr; }
cn_sptr(uint8_t* ptr) { base_ptr = ptr; }
#ifdef HAS_INTEL_HW
cn_sptr(__m128i* ptr) { base_ptr = ptr; }
#endif

inline void set(void* ptr) { base_ptr = ptr; }
inline cn_sptr offset(size_t i) { return reinterpret_cast<uint8_t*>(base_ptr)+i; }
inline const cn_sptr offset(size_t i) const { return reinterpret_cast<uint8_t*>(base_ptr)+i; }

inline void* as_void() { return base_ptr; }
inline uint8_t& as_byte(size_t i) { return *(reinterpret_cast<uint8_t*>(base_ptr)+i); }
inline uint8_t* as_byte() { return reinterpret_cast<uint8_t*>(base_ptr); }
inline uint64_t& as_uqword(size_t i) { return *(reinterpret_cast<uint64_t*>(base_ptr)+i); }
inline const uint64_t& as_uqword(size_t i) const { return *(reinterpret_cast<uint64_t*>(base_ptr)+i); }
inline uint64_t* as_uqword() { return reinterpret_cast<uint64_t*>(base_ptr); }
inline const uint64_t* as_uqword() const { return reinterpret_cast<uint64_t*>(base_ptr); }
inline int64_t& as_qword(size_t i) { return *(reinterpret_cast<int64_t*>(base_ptr)+i); }
inline int32_t& as_dword(size_t i) { return *(reinterpret_cast<int32_t*>(base_ptr)+i); }
inline uint32_t& as_udword(size_t i) { return *(reinterpret_cast<uint32_t*>(base_ptr)+i); }
inline const uint32_t& as_udword(size_t i) const { return *(reinterpret_cast<uint32_t*>(base_ptr)+i); }
#ifdef HAS_INTEL_HW
inline __m128i* as_xmm() { return reinterpret_cast<__m128i*>(base_ptr); }
#endif
private:
void* base_ptr;
};

template<size_t MEMORY, size_t ITER, size_t VERSION>
class cn_slow_hash
{
public:
cn_slow_hash()
{
#if !defined(HAS_WIN_INTRIN_API)
lpad.set(aligned_alloc(4096, MEMORY));
spad.set(aligned_alloc(4096, 4096));
#else
lpad.set(_aligned_malloc(MEMORY, 4096));
spad.set(_aligned_malloc(4096, 4096));
#endif
}

cn_slow_hash (cn_slow_hash&& other) noexcept : lpad(other.lpad.as_byte()), spad(other.spad.as_byte())
{
other.lpad.set(nullptr);
other.spad.set(nullptr);
}

cn_slow_hash& operator= (cn_slow_hash&& other) noexcept
{
if(this == &other)
return *this;

free_mem();
lpad.set(other.lpad.as_void());
spad.set(other.spad.as_void());
return *this;
}

// Copying is going to be really inefficient
cn_slow_hash(const cn_slow_hash& other) = delete;
cn_slow_hash& operator= (const cn_slow_hash& other) = delete;

~cn_slow_hash()
{
free_mem();
}

void hash(const void* in, size_t len, void* out)
{
if(hw_check_aes() && !check_override())
hardware_hash(in, len, out);
else
software_hash(in, len, out);
}

void software_hash(const void* in, size_t len, void* out);

#if !defined(HAS_INTEL_HW) && !defined(HAS_ARM_HW)
inline void hardware_hash(const void* in, size_t len, void* out) { assert(false); }
#else
void hardware_hash(const void* in, size_t len, void* out);
#endif

private:
static constexpr size_t MASK = ((MEMORY-1) >> 4) << 4;

inline bool check_override()
{
const char *env = getenv("SUMO_USE_SOFTWARE_AES");
if (!env) {
return false;
}
else if (!strcmp(env, "0") || !strcmp(env, "no")) {
return false;
}
else {
return true;
}
}

inline void free_mem()
{
#if !defined(HAS_WIN_INTRIN_API)
if(lpad.as_void() != nullptr)
free(lpad.as_void());
if(lpad.as_void() != nullptr)
free(spad.as_void());
#else
if(lpad.as_void() != nullptr)
_aligned_free(lpad.as_void());
if(lpad.as_void() != nullptr)
_aligned_free(spad.as_void());
#endif
lpad.set(nullptr);
spad.set(nullptr);
}

inline cn_sptr scratchpad_ptr(uint32_t idx) { return lpad.as_byte() + (idx & MASK); }

#if !defined(HAS_INTEL_HW) && !defined(HAS_ARM_HW)
inline void explode_scratchpad_hard() { assert(false); }
inline void implode_scratchpad_hard() { assert(false); }
#else
void explode_scratchpad_hard();
void implode_scratchpad_hard();
#endif

void explode_scratchpad_soft();
void implode_scratchpad_soft();

cn_sptr lpad;
cn_sptr spad;
};

using cn_pow_hash_v1 = cn_slow_hash<2*1024*1024, 0x80000, 0>;
using cn_pow_hash_v2 = cn_slow_hash<4*1024*1024, 0x40000, 1>;

extern template class cn_slow_hash<2*1024*1024, 0x80000, 0>;
extern template class cn_slow_hash<4*1024*1024, 0x40000, 1>;

} //cn_heavy namespace

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