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ktorrent/libktorrent/util/sha1hash.cpp

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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <tqurl.h>
#include <string.h>
#include <algorithm>
#include "log.h"
#include "sha1hash.h"
#include "sha1hashgen.h"
#include "urlencoder.h"
#include <stdio.h>
namespace bt
{
SHA1Hash::SHA1Hash()
{
std::fill(hash,hash+20,'\0');
}
SHA1Hash::SHA1Hash(const SHA1Hash & other)
{
for (int i = 0;i < 20;i++)
hash[i] = other.hash[i];
}
SHA1Hash::SHA1Hash(const Uint8* h)
{
memcpy(hash,h,20);
}
SHA1Hash::~SHA1Hash()
{}
SHA1Hash & SHA1Hash::operator = (const SHA1Hash & other)
{
for (int i = 0;i < 20;i++)
hash[i] = other.hash[i];
return *this;
}
bool SHA1Hash::operator == (const SHA1Hash & other) const
{
for (int i = 0;i < 20;i++)
if (hash[i] != other.hash[i])
return false;
return true;
}
SHA1Hash SHA1Hash::generate(const Uint8* data,Uint32 len)
{
SHA1HashGen hg;
return hg.generate(data,len);
}
TQString SHA1Hash::toString() const
{
char tmp[41];
TQString fmt;
for (int i = 0;i < 20;i++)
fmt += "%02x";
tmp[40] = '\0';
snprintf(tmp,41,fmt.ascii(),
hash[0],hash[1],hash[2],hash[3],hash[4],
hash[5],hash[6],hash[7],hash[8],hash[9],
hash[10],hash[11],hash[12],hash[13],hash[14],
hash[15],hash[16],hash[17],hash[18],hash[19]);
return TQString(tmp);
}
TQByteArray SHA1Hash::toByteArray() const
{
TQByteArray arr(20);
arr.duplicate((const char*)hash,20);
return arr;
}
TQString SHA1Hash::toURLString() const
{
return URLEncoder::encode((const char*)hash,20);
}
Log & operator << (Log & out,const SHA1Hash & h)
{
out << h.toString();
return out;
}
SHA1Hash operator ^ (const SHA1Hash & a,const SHA1Hash & b)
{
SHA1Hash k;
for (int i = 0;i < 20;i++)
{
k.hash[i] = a.hash[i] ^ b.hash[i];
}
return k;
}
bool operator < (const SHA1Hash & a,const SHA1Hash & b)
{
for (int i = 0;i < 20;i++)
{
if (a.hash[i] < b.hash[i])
return true;
else if (a.hash[i] > b.hash[i])
return false;
}
return false;
}
}