Maintenance script: Repair batch-0004 pages from live compare

2026-03-27T00:37:14Z

Repair batch-0004 pages from live compare

← Older revision		Revision as of 00:37, 27 March 2026
Line 105:		Line 105:
	return 0;		return 0;
	}		}

imported>Unknown at 05:28, 7 February 2021

2021-02-07T05:28:40Z

New page

= 공개키 : 182 =
== 류주영 ==
=== 암호화 ===

#include <iostream>
#include <fstream>
#include<string>
using namespace std;
int main()
{

ifstream fin("source.txt"); // fin과 input.txt를 연결
ofstream fout("source_enc.txt"); // fout과 output.txt를 연결

string input;
int key = 74;
//cout << "키 값을 입력하세요 : ";
//cin >> key;
char ch;

while(!fin.eof())
{
fin.get(ch);
if(fin.eof())
break;
if((int(ch) + key) < 256)
{
if(ch!=' ')
{
for(int j=0;j<key;j++)
ch++;
}
}
else
{
if(ch!=' ')
{
for(int j=0;j<((int(ch) + key)%256);j++)
ch++;
}
}

fout << ch;

}

return 0;
}
=== 복호화 ===

#include <iostream>
#include <fstream>
#include<string>
using namespace std;
int main()
{

ifstream fin("source_enc.txt"); // fin과 input.txt를 연결
ofstream fout("source_enc2.txt"); // fout과 output.txt를 연결

string input;
int key;
cout << "공개키를 입력하세요 : ";
cin >> key;
char ch;

while(!fin.eof())
{
fin.get(ch);
if(fin.eof())
break;

if((int(ch) + key) < 256)
{
if(ch!=' ')
{
for(int j=0;j<key;j++)
ch++;
}
}
else
{
if(ch!=' ')
{
for(int j=0;j<((int(ch) + key)%256);j++)
ch++;
}
}

fout << ch;

}

return 0;
}

개인키,공개키/류주영,문보창 - Revision history

Maintenance script: Repair batch-0004 pages from live compare

imported>Unknown at 05:28, 7 February 2021