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42 lines (33 loc) · 1.15 KB
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#ifndef BASE64_H
#define BASE64_H
#include <string.h>
class base64{
private:
char input[5]; //待编码或已解码
char output[5]; //已编码或待解码
char padding = '='; //填充字符
char code[64] = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '+', '/'};
public:
base64(){
memset(input, 0, 5);
memset(output, 0, 5);
}
//将input中的字符编码到output中
void encode(int select);
//将output中的字符解码到input中
int decode();
//将input_file的内容编码到output_file
void base64Encode(char* filename_input, char* filename_output);
//将output_file的内容解码到input_file中
void base64Decode(char* filename_input, char* filename_output);
//输入一个字符,根据base64表,返回它的索引
int getReverseCode(char x);
};
#endif