D:/opendownloadmanager/ODM-1.x/Hash/vmsHash.h

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/*
  Free Download Manager Copyright (c) 2003-2007 FreeDownloadManager.ORG
  Open Download Manager Copyright (c) 2008-2010 OpenDownloadManager.ORG
*/        

#if !defined(AFX_VMSHASH_H__A22980FB_579D_4BD9_825C_699E3BED340F__INCLUDED_)
#define AFX_VMSHASH_H__A22980FB_579D_4BD9_825C_699E3BED340F__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif 

#include <windows.h>
#pragma warning (push, 3)
#include "vmsHashEvents.h"
#include <string>
#pragma warning (pop)

enum vmsHashAlgorithm
{
        HA_CRC32,
        HA_MD5,
        HA_SHA1,
        HA_SHA2,
};

enum vmsHash_SHA2Strength {
        HSHA2S_256,
        HSHA2S_384,
        HSHA2S_512,
};

class vmsHash  
{
public:
        void set_SHA2Strength (vmsHash_SHA2Strength en);
        void set_EventsHandler (vmsHashEvents* pEvents);
        std::string Hash (LPCSTR pszFile, vmsHashAlgorithm enHA = HA_MD5);

        vmsHash();
        virtual ~vmsHash();

protected:
        std::string Hash_SHA2 (LPCSTR pszFile);
        std::string Hash_SHA1 (LPCSTR pszFile);
        std::string Hash_CRC32 (LPCSTR pszFile);
        std::string Hash_ResultToStr (unsigned char* pHR, int nSize);
        std::string Hash_MD5 (LPCSTR pszFile);
        UINT64 Hash_MD5_File (const char *fn, unsigned long seed, void *mdContext);
        vmsHashEvents* m_pEvents;
        int m_nSHA2Strength;
};

#endif 

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