CscMessageEncryption.h

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#ifndef CscMessageEncryption_H_
#define CscMessageEncryption_H_
 
#include "CscCommon.h"
 
namespace conscience_core::communication {
 
    class CscMessageEncryption {
    public:
        virtual vector<unsigned char>* encrypt(const vector<unsigned char> *data) const = 0;
        virtual vector<unsigned char>* encrypt(const string &bytes) const = 0;
        virtual string decrypt(const vector<unsigned char> *data) const = 0;
        virtual ~CscMessageEncryption();
        static const CscMessageEncryption *none();
        static const CscMessageEncryption *AES256CBCWithPassword(const string &password);
    private:
        class NoEncryption;
        class AES256CBCWithPasswordEncryption;
    };
 
    class CscMessageEncryption::NoEncryption : public CscMessageEncryption {
        vector<unsigned char>* encrypt(const string &message) const override;
        vector<unsigned char>* encrypt(const vector<unsigned char> *bytes) const override;
        string decrypt(const vector<unsigned char> *data) const override;
    };
 
    class CscMessageEncryption::AES256CBCWithPasswordEncryption : public CscMessageEncryption {
    private:
        string key;
        string iv;
    public:
        AES256CBCWithPasswordEncryption(const string &password);
        vector<unsigned char>* encrypt(const string &message) const override;
        vector<unsigned char>* encrypt(const vector<unsigned char> *bytes) const override;
        string decrypt(const vector<unsigned char> *data) const override;
    };
}
 
#endif