54 lines
1.4 KiB
C#
54 lines
1.4 KiB
C#
/*
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Copyright (C) 2011-2015 de4dot@gmail.com
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This file is part of de4dot.
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de4dot is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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de4dot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace de4dot.code.deobfuscators.Agile_NET {
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class CsBlowfish : Blowfish {
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public CsBlowfish() {
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}
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public CsBlowfish(byte[] key)
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: base(key) {
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}
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protected override void Encrypt(ref uint rxl, ref uint rxr) {
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uint xl = rxl, xr = rxr;
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for (int i = 0; i < 16; i++) {
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xl ^= P[i];
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uint t = xl;
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xl = (xl >> 24) ^ xr;
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xr = t;
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}
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rxr = xl ^ P[16];
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rxl = xr ^ P[17];
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}
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protected override void Decrypt(ref uint rxl, ref uint rxr) {
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uint xl = rxl, xr = rxr;
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for (int i = 17; i >= 2; i--) {
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xl ^= P[i];
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uint t = xl;
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xl = (xl >> 24) ^ xr;
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xr = t;
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}
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rxr = xl ^ P[1];
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rxl = xr ^ P[0];
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}
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}
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}
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