cCipherCCM.h

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//
//
#ifndef _INC_cCipherCCM_H
#define _INC_cCipherCCM_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "cCipherBase.h"
#include "cCipherTypeDef.h"
 
namespace GrayLib
{
        class GRAYLIB_LINK cCipherCCM : public cCipherBlockBase
        {
 
        private:
                HRESULT AuthCrypt(BYTE* pOutput, const BYTE* pInput, size_t nSize, const BYTE* pIV, size_t nIVSize,
                        const BYTE* pAdd, size_t add_len, BYTE* pTag, size_t tag_len);
 
        public:
                cCipherCCM(bool bEncodeMode, CipherAlgorithm_TYPE eCipherAlgorithm)
                        : cCipherBlockBase(bEncodeMode, eCipherAlgorithm)
                {
                }
                virtual ~cCipherCCM()
                {
                }
 
                virtual HRESULT SetCipherKey(const void* pKeyData, size_t nKeySize) override;
 
                virtual HRESULT AuthEncrypt(BYTE* pOutput, const BYTE* pInput, size_t nSize,
                        const BYTE* pIV, size_t nSizeIV,
                        const BYTE* pAdd, size_t nSizeAdd,
                        BYTE* pTag, size_t nSizeTag) override;
 
                virtual HRESULT AuthDecrypt(BYTE* pOutput, const BYTE* pInput, size_t nSize,
                        const BYTE* pIV, size_t nSizeIV,
                        const BYTE* pAdd, size_t nSizeAdd,
                        const BYTE* pTag, size_t nSizeTag) override;
 
                UNITTEST_FRIEND(cCipherCCM);
        };
 
        class GRAYLIB_LINK cCipherAlgCCM_AES : public cCipherAlgDef
        {
        public:
                cCipherAlgCCM_AES() : cCipherAlgDef(CipherAlgorithm_CCM_AES)
                {
                }
                virtual cCipherBase* AllocCipherAlg(bool bEncodeMode) const
                {
                        return new cCipherCCM(bEncodeMode, CipherAlgorithm_AES);
                }
        };
 
        class GRAYLIB_LINK cCipherAlgCCM_Camellia : public cCipherAlgDef
        {
        public:
                cCipherAlgCCM_Camellia() : cCipherAlgDef(CipherAlgorithm_CCM_Camellia)
                {
                }
                virtual cCipherBase* AllocCipherAlg(bool bEncodeMode) const
                {
                        return new cCipherCCM(bEncodeMode, CipherAlgorithm_Camellia);
                }
        };
}
 
#endif // _INC_cCipherCCM_H