2012-05-26 06:52:38 +08:00
|
|
|
|
/*
|
2015-10-30 05:45:26 +08:00
|
|
|
|
Copyright (C) 2011-2015 de4dot@gmail.com
|
2012-05-26 06:52:38 +08:00
|
|
|
|
|
|
|
|
|
This file is part of de4dot.
|
|
|
|
|
|
|
|
|
|
de4dot 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 3 of the License, or
|
|
|
|
|
(at your option) any later version.
|
|
|
|
|
|
|
|
|
|
de4dot 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 de4dot. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
using System;
|
|
|
|
|
using de4dot.code.deobfuscators.CodeWall.randomc;
|
|
|
|
|
|
|
|
|
|
namespace de4dot.code.deobfuscators.CodeWall {
|
|
|
|
|
class KeyGenerator {
|
|
|
|
|
CRandomMersenne mersenne;
|
|
|
|
|
CRandomMother mother;
|
|
|
|
|
|
|
|
|
|
public KeyGenerator(int seed) {
|
|
|
|
|
mersenne = new CRandomMersenne(seed);
|
|
|
|
|
mother = new CRandomMother(seed);
|
|
|
|
|
}
|
|
|
|
|
|
2013-01-19 20:03:57 +08:00
|
|
|
|
uint Random() {
|
2012-05-26 06:52:38 +08:00
|
|
|
|
return (mersenne.BRandom() >> 1) ^ (uint)Math.Abs((int)(mother.Random() * int.MinValue));
|
|
|
|
|
}
|
|
|
|
|
|
2013-01-19 20:03:57 +08:00
|
|
|
|
public byte[] Generate(int size) {
|
2012-05-26 06:52:38 +08:00
|
|
|
|
var key = new byte[size];
|
|
|
|
|
for (int i = 0; i < size; i++)
|
2013-01-19 20:03:57 +08:00
|
|
|
|
key[i] = (byte)Random();
|
2012-05-26 06:52:38 +08:00
|
|
|
|
return key;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|