cPEM.h

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//
//
 
#ifndef _INC_cPEM_H
#define _INC_cPEM_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "../GrayLibBase.h"
#include "GrayCore/include/cHeap.h"
#include "GrayCore/include/cUnitTestDecl.h"
 
namespace GrayLib
{
        class GRAYLIB_LINK cPEM : public cHeapBlock
        {
 
        protected:
                static bool GRAYCALL ReadIV(const char* s, BYTE* pIV, size_t nIVSize);
                static void GRAYCALL DecryptPrep(BYTE* pKey, size_t nKeySize, BYTE* pIV, const BYTE* pPassword, size_t nPassSize);
 
                static void GRAYCALL DecryptDES(BYTE pIV[8], BYTE* pBuffer, size_t nSizeBuf, const BYTE* pPassword, size_t nPassSize);
                static void GRAYCALL DecryptDES3(BYTE pIV[8], BYTE* pBuffer, size_t nSizeBuf, const BYTE* pPassword, size_t nPassSize);
                static void GRAYCALL DecryptAES(BYTE pIV[16], UINT nKeySize, BYTE* pBuffer, size_t nSizeBuf, const BYTE* pPassword, size_t nPassSize);
 
        public:
                static const char k_BEGINf[19]; // "-----BEGIN %s-----";
                static const char k_ENDf[17];   // "-----END %s-----";
 
                size_t m_nSizeRead;                     
 
        public:
                cPEM() noexcept
                {       
        }
                ~cPEM() noexcept
                {
                }
 
                static const char* FindHeader(const char* pData, const char* pszType);
 
                HRESULT ReadPEM(const char* pszType, const BYTE* pData, const BYTE* pPassword = nullptr, size_t nPassSize = 0);
 
                static HRESULT GRAYCALL WriteToPEM(char* pOut, StrLen_t nOutLen, const char* pszType, const BYTE* pDerData, size_t nSizeDer);
 
                UNITTEST_FRIEND(cPEM);
        };
};
#endif