various updates and enhancements to crypto and network code

This commit is contained in:
Daniel Larimer 2013-07-17 02:01:35 -04:00
parent 154a8ab628
commit a0f41aa397
6 changed files with 108 additions and 10 deletions

View file

@ -41,6 +41,8 @@ namespace fc {
bigint operator / ( const bigint& a )const;
bigint operator % ( const bigint& a )const;
bigint operator /= ( const bigint& a );
bigint operator *= ( const bigint& a );
bigint& operator <<= ( uint32_t i );
bigint operator - ( const bigint& a )const;

View file

@ -13,6 +13,9 @@
#include <fc/exception/exception.hpp>
#include <fc/log/logger.hpp>
#include <set>
#include <unordered_set>
#define MAX_ARRAY_ALLOC_SIZE (1024*1024*10)
namespace fc {
namespace raw {
@ -21,6 +24,10 @@ namespace fc {
inline void pack( Stream& s, const std::set<T>& value );
template<typename Stream, typename T>
inline void unpack( Stream& s, std::set<T>& value );
template<typename Stream, typename T>
inline void pack( Stream& s, const std::unordered_set<T>& value );
template<typename Stream, typename T>
inline void unpack( Stream& s, std::unordered_set<T>& value );
template<typename Stream>
inline void pack( Stream& s, const variant_object& v );
@ -121,6 +128,7 @@ namespace fc {
}
template<typename Stream> inline void unpack( Stream& s, std::vector<char>& value ) {
unsigned_int size; unpack( s, size );
FC_ASSERT( size.value < MAX_ARRAY_ALLOC_SIZE );
value.resize(size.value);
if( value.size() )
s.read( value.data(), value.size() );
@ -218,6 +226,29 @@ namespace fc {
} // namesapce detail
template<typename Stream, typename T>
inline void pack( Stream& s, const std::unordered_set<T>& value ) {
pack( s, unsigned_int(value.size()) );
auto itr = value.begin();
auto end = value.end();
while( itr != end ) {
fc::raw::pack( s, *itr );
++itr;
}
}
template<typename Stream, typename T>
inline void unpack( Stream& s, std::unordered_set<T>& value ) {
unsigned_int size; unpack( s, size );
value.clear();
FC_ASSERT( size.value*sizeof(T) < MAX_ARRAY_ALLOC_SIZE );
value.reserve(size.value);
for( uint32_t i = 0; i < size.value; ++i )
{
T tmp;
fc::raw::unpack( s, tmp );
value.insert( std::move(tmp) );
}
}
template<typename Stream, typename T>
inline void pack( Stream& s, const std::vector<T>& value ) {
@ -233,6 +264,7 @@ namespace fc {
template<typename Stream, typename T>
inline void unpack( Stream& s, std::vector<T>& value ) {
unsigned_int size; unpack( s, size );
FC_ASSERT( size.value*sizeof(T) < MAX_ARRAY_ALLOC_SIZE );
value.resize(size.value);
auto itr = value.begin();
auto end = value.end();

View file

@ -1,6 +1,7 @@
#pragma once
#include <fc/string.hpp>
#include <fc/crypto/sha1.hpp>
#include <fc/io/raw_fwd.hpp>
namespace fc {
@ -15,6 +16,7 @@ namespace fc {
operator uint32_t()const;
friend bool operator==( const address& a, const address& b );
friend bool operator!=( const address& a, const address& b );
private:
uint32_t _ip;
};
@ -34,12 +36,8 @@ namespace fc {
const address& get_address()const;
friend bool operator==( const endpoint& a, const endpoint& b );
friend bool operator< ( const endpoint& a, const endpoint& b )
{
return uint32_t(a.get_address()) < uint32_t(b.get_address()) ||
(uint32_t(a.get_address()) == uint32_t(b.get_address()) &&
uint32_t(a.port()) < uint32_t(b.port()));
}
friend bool operator!=( const endpoint& a, const endpoint& b );
friend bool operator< ( const endpoint& a, const endpoint& b );
private:
/**
@ -59,6 +57,39 @@ namespace fc {
void to_variant( const ip::address& var, variant& vo );
void from_variant( const variant& var, ip::address& vo );
namespace raw
{
template<typename Stream>
inline void pack( Stream& s, const ip::address& v )
{
fc::raw::pack( s, uint32_t(v) );
}
template<typename Stream>
inline void unpack( Stream& s, ip::address& v )
{
uint32_t _ip;
fc::raw::unpack( s, _ip );
v = ip::address(_ip);
}
template<typename Stream>
inline void pack( Stream& s, const ip::endpoint& v )
{
fc::raw::pack( s, v.get_address() );
fc::raw::pack( s, v.port() );
}
template<typename Stream>
inline void unpack( Stream& s, ip::endpoint& v )
{
ip::address a;
uint16_t p;
fc::raw::unpack( s, a );
fc::raw::unpack( s, p );
v = ip::endpoint(a,p);
}
}
}
namespace std
{

View file

@ -118,7 +118,17 @@ namespace fc {
BN_CTX_free(ctx);
return tmp;
}
bigint bigint::operator *= ( const bigint& a ) {
auto tmp = *this * a;
*this = std::move(tmp);
return *this;
}
bigint& bigint::operator <<= ( uint32_t i )
{
BN_lshift( n, n, i );
return *this;
}
bigint bigint::operator - ( const bigint& a )const {
bigint tmp;

View file

@ -16,6 +16,9 @@ namespace fc { namespace ip {
bool operator==( const address& a, const address& b ) {
return uint32_t(a) == uint32_t(b);
}
bool operator!=( const address& a, const address& b ) {
return uint32_t(a) != uint32_t(b);
}
address& address::operator=( const fc::string& s ) {
_ip = boost::asio::ip::address_v4::from_string(s.c_str()).to_ulong();
@ -38,6 +41,17 @@ namespace fc { namespace ip {
bool operator==( const endpoint& a, const endpoint& b ) {
return a._port == b._port && a._ip == b._ip;
}
bool operator!=( const endpoint& a, const endpoint& b ) {
return a._port != b._port || a._ip != b._ip;
}
bool operator< ( const endpoint& a, const endpoint& b )
{
return uint32_t(a.get_address()) < uint32_t(b.get_address()) ||
(uint32_t(a.get_address()) == uint32_t(b.get_address()) &&
uint32_t(a.port()) < uint32_t(b.port()));
}
uint16_t endpoint::port()const { return _port; }
const address& endpoint::get_address()const { return _ip; }

View file

@ -5,7 +5,8 @@
#include <fc/io/json.hpp>
#include <fc/io/stdio.hpp>
#include <string.h>
#include <fc/crypto/base64.hpp>
//#include <fc/crypto/base64.hpp>
#include <fc/crypto/hex.hpp>
#include <boost/scoped_array.hpp>
namespace fc
@ -17,13 +18,21 @@ namespace fc
void to_variant( const std::vector<char>& var, variant& vo )
{
if( var.size() )
vo = variant(base64_encode((unsigned char*)var.data(),var.size()));
//vo = variant(base64_encode((unsigned char*)var.data(),var.size()));
vo = variant(to_hex(var.data(),var.size()));
else vo = "";
}
void from_variant( const variant& var, std::vector<char>& vo )
{
std::string b64 = base64_decode( var.as_string() );
vo = std::vector<char>( b64.c_str(), b64.c_str() + b64.size() );
auto str = var.as_string();
vo.resize( str.size() / 2 );
if( vo.size() )
{
size_t r = from_hex( str, vo.data(), vo.size() );
FC_ASSERT( r = vo.size() );
}
// std::string b64 = base64_decode( var.as_string() );
// vo = std::vector<char>( b64.c_str(), b64.c_str() + b64.size() );
}
/**
* The TypeID is stored in the 'last byte' of the variant.