private static void TransformString(BrokenMD5 md5, string str, bool final)
{
byte [] tmp = Encoding.ASCII.GetBytes(str);
if (final)
{
md5.TransformFinalBlock(tmp, 0, tmp.Length);
}
else
{
md5.TransformBlock(tmp, 0, tmp.Length, tmp, 0);
}
}
public static string GenerateHash(int version_major, string url,
int hash_select, int request_id)
{
if (_hasht42 == null)
{
GenerateTable42();
}
if (_hasht45 == null)
{
GenerateTable45();
}
byte [] hashtable = (version_major == 3) ? _hasht45 : _hasht42;
BrokenMD5 md5 = new BrokenMD5((version_major == 3) ? 1 : 0);
byte [] hash = new byte[32];
byte [] tmp = Encoding.ASCII.GetBytes(url);
md5.TransformBlock(tmp, 0, tmp.Length, tmp, 0);
md5.TransformBlock(_copyright, 0, _copyright.Length, _copyright, 0);
if (request_id > 0 && version_major == 3)
{
md5.TransformBlock(hashtable, hash_select * 32, 32,
hashtable, hash_select * 32);
tmp = Encoding.ASCII.GetBytes(request_id.ToString());
md5.TransformFinalBlock(tmp, 0, tmp.Length);
}
else
{
md5.TransformFinalBlock(hashtable, hash_select * 32, 32);
}
HashToString(md5.Hash, hash, 0);
return(Encoding.ASCII.GetString(hash));
}
public static string GenerateHash(int version_major, string url,
int hash_select, int request_id )
{
if( _hasht42 == null )
GenerateTable42();
if( _hasht45 == null )
GenerateTable45();
byte [] hashtable = (version_major == 3) ? _hasht45 : _hasht42;
BrokenMD5 md5 = new BrokenMD5( (version_major == 3) ? 1 : 0 );
byte [] hash = new byte[ 32 ];
byte [] tmp = Encoding.ASCII.GetBytes( url );
md5.TransformBlock( tmp, 0, tmp.Length, tmp, 0 );
md5.TransformBlock( _copyright, 0, _copyright.Length, _copyright, 0 );
if( request_id > 0 && version_major == 3 )
{
md5.TransformBlock( hashtable, hash_select * 32, 32,
hashtable, hash_select * 32 );
tmp = Encoding.ASCII.GetBytes( request_id.ToString() );
md5.TransformFinalBlock( tmp, 0, tmp.Length );
}
else
{
md5.TransformFinalBlock( hashtable, hash_select * 32, 32 );
}
HashToString( md5.Hash, hash, 0 );
return Encoding.ASCII.GetString( hash );
}
private static void TransformString( BrokenMD5 md5, string str, bool final )
{
byte [] tmp = Encoding.ASCII.GetBytes( str );
if( final )
md5.TransformFinalBlock( tmp, 0, tmp.Length );
else
md5.TransformBlock( tmp, 0, tmp.Length, tmp, 0 );
}