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Diffstat (limited to 'plugins/Dbx_tree/encryption/ARC4.h')
-rw-r--r--plugins/Dbx_tree/encryption/ARC4.h65
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diff --git a/plugins/Dbx_tree/encryption/ARC4.h b/plugins/Dbx_tree/encryption/ARC4.h
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+++ b/plugins/Dbx_tree/encryption/ARC4.h
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+/*
+
+dbx_tree: tree database driver for Miranda IM
+
+Copyright 2007-2008 Michael "Protogenes" Kunz,
+
+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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+
+#pragma once
+
+#include "Cipher.h"
+
+class ARC4 : public CCipher
+{
+private:
+ uint8_t x;
+ uint8_t y;
+ uint8_t State[256];
+
+ uint8_t Backx;
+ uint8_t Backy;
+ uint8_t BackState[256];
+
+ uint8_t Stream();
+
+ static const wchar_t* cName;
+ static const wchar_t* cDescription;
+ static const uint32_t cBlockSizeBytes = 1;
+ static const bool cIsStreamCipher = true;
+
+public:
+ const wchar_t * __cdecl Name();
+ const wchar_t * __cdecl Description();
+ const uint32_t __cdecl BlockSizeBytes();
+ const bool __cdecl IsStreamCipher();
+
+ static const TCipherInfo cCipherInfo;
+
+ ARC4();
+ ~ARC4();
+ static CCipher::TCipherInterface* __cdecl Create();
+
+ void __cdecl SetKey(void* Key, uint32_t KeyLength);
+ void __cdecl Encrypt(void* Data, uint32_t Size, uint32_t Nonce, uint32_t StartByte);
+ void __cdecl Decrypt(void* Data, uint32_t Size, uint32_t Nonce, uint32_t StartByte);
+
+};
+
+const wchar_t* ARC4::cName = L"ARC4";
+const wchar_t* ARC4::cDescription = L"Streamcipher - 8bit step, fast, Ron Rivest 1987";
+const TCipherInfo ARC4::cCipherInfo = {sizeof(TCipherInfo), 'ARC4', cName, cDescription, &ARC4::Create};