小编gre*_*ade的帖子

在C++中,有时在类定义中,公共成员首先被声明,稍后会被私有.但变量或数据成员通常是私有的,并由公共方法使用.因此,在这种情况下使用变量但尚未声明.因此代码变得难以理解.但我发现知名程序员,网站或书籍后来宣布私人会员.有谁知道是什么原因？

#include "Includes.h"


enum BlowfishAlgorithm
    {
        ECB,
        CBC,
        CFB64,
        OFB64,
    };

class Blowfish
{
public:
    struct bf_key_st
    {
        unsigned long P[18];
        unsigned long S[1024];
    };
    Blowfish(BlowfishAlgorithm algorithm);
    void Dispose();
    void SetKey(unsigned char data[]);
    unsigned char Encrypt(unsigned char buffer[]);
    unsigned char Decrypt(unsigned char buffer[]);
    char EncryptIV();
    char DecryptIV();
private:
    BlowfishAlgorithm _algorithm;
    unsigned char _encryptIv[200];
    unsigned char _decryptIv[200];
    int _encryptNum;
    int _decryptNum;
};

class GameCryptography
{
public:
    Blowfish _blowfish;
    GameCryptography(unsigned char key[]);
    void Decrypt(unsigned char packet[]);
    void Encrypt(unsigned char packet[]);
    Blowfish Blowfish;
    void …