From 48540940b6c28bb4378abfeb500ec45a625b37b6 Mon Sep 17 00:00:00 2001 From: Vadim Dashevskiy Date: Tue, 15 May 2012 10:38:20 +0000 Subject: initial commit git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c --- plugins/Dbx_tree/encryption/HC256.h | 66 +++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 plugins/Dbx_tree/encryption/HC256.h (limited to 'plugins/Dbx_tree/encryption/HC256.h') diff --git a/plugins/Dbx_tree/encryption/HC256.h b/plugins/Dbx_tree/encryption/HC256.h new file mode 100644 index 0000000000..d4acb3195f --- /dev/null +++ b/plugins/Dbx_tree/encryption/HC256.h @@ -0,0 +1,66 @@ +/* + +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 HC256 : public CCipher +{ +private: + uint32_t counter2048; + uint32_t P[1024], Q[1024]; + uint32_t X[16], Y[16]; + + uint32_t BackP[1024], BackQ[1024]; + uint32_t BackX[16], BackY[16]; + + void EncryptBlock(uint32_t *Data); + void CreateTables(uint8_t* Key); + + static const wchar_t* cName; + static const wchar_t* cDescription; + static const uint32_t cBlockSizeBytes = 64; + 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; + + HC256(); + ~HC256(); + 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* HC256::cName = L"HC-256"; +const wchar_t* HC256::cDescription = L"Streamcipher - 512bit step, very fast, Hongjun Wu 2005"; +const TCipherInfo HC256::cCipherInfo = {sizeof(TCipherInfo), 'HC25', cName, cDescription, &HC256::Create}; -- cgit v1.2.3