Add hash160 md algo

This commit is contained in:
John Jones 2019-07-23 17:14:01 -05:00
parent a87a99bbeb
commit 94f77ffc85
3 changed files with 275 additions and 0 deletions

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@ -247,6 +247,7 @@ set( fc_sources
src/crypto/hex.cpp
src/crypto/sha1.cpp
src/crypto/ripemd160.cpp
src/crypto/hash160.cpp
src/crypto/sha256.cpp
src/crypto/sha224.cpp
src/crypto/sha512.cpp

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@ -0,0 +1,134 @@
/*
* Copyright (c) 2018 jmjatlanta and contributors.
*
* The MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#pragma once
#include <boost/endian/buffers.hpp>
#include <fc/fwd.hpp>
#include <fc/io/raw_fwd.hpp>
#include <fc/reflect/typename.hpp>
namespace fc{
class sha512;
class sha256;
class ripemd160;
class hash160
{
public:
hash160();
explicit hash160( const string& hex_str );
string str()const;
explicit operator string()const;
char* data() const;
size_t data_size() const { return 160/8; }
static hash160 hash( const char* d, uint32_t dlen );
static hash160 hash( const string& );
template<typename T>
static hash160 hash( const T& t )
{
hash160::encoder e;
fc::raw::pack(e,t);
return e.result();
}
class encoder
{
public:
encoder();
~encoder();
void write( const char* d, uint32_t dlen );
void put( char c ) { write( &c, 1 ); }
void reset();
hash160 result();
private:
class impl;
fc::fwd<impl,96> my;
std::vector<uint8_t> bytes;
};
template<typename T>
inline friend T& operator<<( T& ds, const hash160& ep ) {
ds.write( ep.data(), sizeof(ep) );
return ds;
}
template<typename T>
inline friend T& operator>>( T& ds, hash160& ep ) {
ds.read( ep.data(), sizeof(ep) );
return ds;
}
friend hash160 operator << ( const hash160& h1, uint32_t i );
friend bool operator == ( const hash160& h1, const hash160& h2 );
friend bool operator != ( const hash160& h1, const hash160& h2 );
friend hash160 operator ^ ( const hash160& h1, const hash160& h2 );
friend bool operator >= ( const hash160& h1, const hash160& h2 );
friend bool operator > ( const hash160& h1, const hash160& h2 );
friend bool operator < ( const hash160& h1, const hash160& h2 );
boost::endian::little_uint32_buf_t _hash[5];
};
namespace raw {
template<typename T>
inline void pack( T& ds, const hash160& ep, uint32_t _max_depth ) {
ds << ep;
}
template<typename T>
inline void unpack( T& ds, hash160& ep, uint32_t _max_depth ) {
ds >> ep;
}
}
class variant;
void to_variant( const hash160& bi, variant& v, uint32_t max_depth );
void from_variant( const variant& v, hash160& bi, uint32_t max_depth );
/*
typedef hash160 uint160_t;
typedef hash160 uint160;
template<> struct get_typename<uint160_t> { static const char* name() { return "uint160_t"; } };
*/
template<> struct get_typename<hash160> { static const char* name() { return "hash160"; } };
} // namespace fc
namespace std
{
template<>
struct hash<fc::hash160>
{
size_t operator()( const fc::hash160& s )const
{
return *((size_t*)&s);
}
};
}

140
src/crypto/hash160.cpp Normal file
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@ -0,0 +1,140 @@
/*
* Copyright (c) 2018 jmjatlanta and contributors.
*
* The MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <fc/crypto/hex.hpp>
#include <fc/fwd_impl.hpp>
#include <openssl/sha.h>
#include <openssl/ripemd.h>
#include <string.h>
#include <fc/crypto/hash160.hpp>
#include <fc/crypto/ripemd160.hpp>
#include <fc/crypto/sha512.hpp>
#include <fc/crypto/sha256.hpp>
#include <fc/variant.hpp>
#include <vector>
#include "_digest_common.hpp"
namespace fc
{
hash160::hash160() { memset( _hash, 0, sizeof(_hash) ); }
hash160::hash160( const string& hex_str ) {
fc::from_hex( hex_str, (char*)_hash, sizeof(_hash) );
}
string hash160::str()const {
return fc::to_hex( (char*)_hash, sizeof(_hash) );
}
hash160::operator string()const { return str(); }
char* hash160::data()const { return (char*)&_hash[0]; }
class hash160::encoder::impl {
public:
impl()
{
}
};
hash160::encoder::~encoder() {}
hash160::encoder::encoder() {}
hash160 hash160::hash( const char* d, uint32_t dlen ) {
encoder e;
e.write(d,dlen);
return e.result();
}
hash160 hash160::hash( const string& s ) {
return hash( s.c_str(), s.size() );
}
void hash160::encoder::write( const char* d, uint32_t dlen )
{
for(uint32_t i = 0; i < dlen; ++i)
bytes.push_back(d[i]);
}
hash160 hash160::encoder::result() {
// perform the first hashing function
SHA256_CTX sha_ctx;
SHA256_Init(&sha_ctx);
SHA256_Update( &sha_ctx, bytes.data(), bytes.size());
unsigned char sha_hash[SHA256_DIGEST_LENGTH];
SHA256_Final( sha_hash, &sha_ctx );
// perform the second hashing function
RIPEMD160_CTX ripe_ctx;
RIPEMD160_Init(&ripe_ctx);
RIPEMD160_Update( &ripe_ctx, sha_hash, SHA256_DIGEST_LENGTH );
hash160 h;
RIPEMD160_Final( (uint8_t *)h.data(), &ripe_ctx );
return h;
}
hash160 operator << ( const hash160& h1, uint32_t i ) {
hash160 result;
fc::detail::shift_l( h1.data(), result.data(), result.data_size(), i );
return result;
}
hash160 operator ^ ( const hash160& h1, const hash160& h2 ) {
hash160 result;
result._hash[0] = h1._hash[0].value() ^ h2._hash[0].value();
result._hash[1] = h1._hash[1].value() ^ h2._hash[1].value();
result._hash[2] = h1._hash[2].value() ^ h2._hash[2].value();
result._hash[3] = h1._hash[3].value() ^ h2._hash[3].value();
result._hash[4] = h1._hash[4].value() ^ h2._hash[4].value();
return result;
}
bool operator >= ( const hash160& h1, const hash160& h2 ) {
return memcmp( h1._hash, h2._hash, sizeof(h1._hash) ) >= 0;
}
bool operator > ( const hash160& h1, const hash160& h2 ) {
return memcmp( h1._hash, h2._hash, sizeof(h1._hash) ) > 0;
}
bool operator < ( const hash160& h1, const hash160& h2 ) {
return memcmp( h1._hash, h2._hash, sizeof(h1._hash) ) < 0;
}
bool operator != ( const hash160& h1, const hash160& h2 ) {
return memcmp( h1._hash, h2._hash, sizeof(h1._hash) ) != 0;
}
bool operator == ( const hash160& h1, const hash160& h2 ) {
return memcmp( h1._hash, h2._hash, sizeof(h1._hash) ) == 0;
}
void to_variant( const hash160& bi, variant& v, uint32_t max_depth )
{
to_variant( std::vector<char>( (const char*)&bi, ((const char*)&bi) + sizeof(bi) ), v, max_depth );
}
void from_variant( const variant& v, hash160& bi, uint32_t max_depth )
{
std::vector<char> ve = v.as< std::vector<char> >( max_depth );
memset( &bi, char(0), sizeof(bi) );
if( ve.size() )
memcpy( &bi, ve.data(), std::min<size_t>(ve.size(),sizeof(bi)) );
}
} // fc