imported>Unknown at 05:28, 7 February 2021

2021-02-07T05:28:40Z

New page

개인키 : 70, 공개키 : 186
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
ifstream fin("source.txt");
ofstream fout("source_enc.txt");

int key = 70;
char ch;
int result, result1;
while(fin.eof() != true)
{
fin >>ch;
result = int(ch) + key;
result1 = result%255;
fout <<char(result1);
}

return 0;

}

#include <iostream>
#include <fstream>
using namespace std;
int main()
{
ifstream fin("source_enc.txt");
ofstream fout("source1.txt");
int key1;
cin >> key1;
int key = 256-key1;
char ch;
int result;
while(fin.eof() != true)
{
fin >>ch;
result = int(ch) - key;
if (result>=0 && result<=184)
fout <<char(result);
else
fout <<char(result+255);
}

return 0;
}
----
[[암호화실습]]

개인키,공개키/박진영,김수진,나휘동 - Revision history

imported>Unknown at 05:28, 7 February 2021