83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
/***************************************************************************
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* Copyright (C) 2007 by Lothar May *
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* *
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* This program 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 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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/* Helper class for crypt functions. */
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#ifndef _CRYPTHELPER_H_
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#define _CRYPTHELPER_H_
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#include <string>
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#include <vector>
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#define MD5_DATA_SIZE 16
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#define SHA1_DATA_SIZE 20
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class HashBuf
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{
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public:
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virtual ~HashBuf();
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std::string ToString() const;
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bool FromString(const std::string &text);
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bool IsZero() const;
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bool operator==(const HashBuf &other) const;
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bool operator<(const HashBuf &other) const;
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virtual unsigned char *GetData() = 0;
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virtual const unsigned char *GetData() const = 0;
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virtual int GetDataSize() const = 0;
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};
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class MD5Buf : public HashBuf
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{
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public:
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MD5Buf();
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virtual unsigned char *GetData();
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virtual const unsigned char *GetData() const;
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virtual int GetDataSize() const;
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private:
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unsigned char m_data[MD5_DATA_SIZE];
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};
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class SHA1Buf : public HashBuf
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{
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public:
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SHA1Buf();
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virtual unsigned char *GetData();
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virtual const unsigned char *GetData() const;
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virtual int GetDataSize() const;
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unsigned char m_data[SHA1_DATA_SIZE];
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};
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class CryptHelper
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{
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public:
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static bool MD5Sum(const std::string &fileName, MD5Buf &buf);
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static bool SHA1Hash(unsigned char *data, unsigned dataSize, SHA1Buf &buf);
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static bool HMACSha1(unsigned char *keyData, unsigned keySize, unsigned char *plainData, unsigned plainSize, SHA1Buf &buf);
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static bool AES128Encrypt(unsigned char *keyData, unsigned keySize, unsigned char *plainData, unsigned plainSize, std::vector<unsigned char> &outCipher);
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};
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#endif
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