At First I don't know which one is outside the size. And as you can see I have put % not to be outside the array. This is my code, please don't blame me for any childish mistake. If you have tips for a more efficient encrypting method I am opened
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.Text;
namespace encrypting
{
public partial class Form1 : Form
{
string text;
string key;
public string calcXor(string a, string b)
{
char[] charAArray = a.ToCharArray();
char[] charBArray = b.ToCharArray();
char[] result = new char[6];
int len = 0;
for (int i = 0; i < a.Length; i++)
{
if (i != 0)
result[i] = (char) ( ((int)charAArray[a.Length % i] ^ (int)charBArray[b.Length % i]) ) ; //error
}
return new string(result);
}
private void Crypt()
{
char[] a;
int i, sizeoftext = text.Length,j=0;
string somestring ="";
string key = textBox2.Text;
StringBuilder sb = new StringBuilder(somestring);
for(i=0;i<sizeoftext-1;i++)
{
if (i == key.Length-1)
j = 0;
}
somestring = calcXor(text, key);
if (File.Exists(textBox3.Text)) ;
File.Create(textBox3.Text).Close();
System.IO.File.WriteAllText(textBox3.Text, somestring);
}
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void label1_Click(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
text = File.ReadAllText(textBox1.Text);
Crypt();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
key = this.Text;
}
private void button2_Click(object sender, EventArgs e)
{
OpenFileDialog fd = new OpenFileDialog();
if (fd.ShowDialog() == DialogResult.OK)
{
textBox1.Text = fd.FileName;
}
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
}
private void label2_Click(object sender, EventArgs e)
{
}
private void button3_Click(object sender, EventArgs e)
{
FolderBrowserDialog fd = new FolderBrowserDialog();
if(fd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
textBox3.Text = fd.SelectedPath;
textBox3.Text = textBox3.Text +"\\" + textBox4.Text + ".txt";
}
}
private void textBox4_TextChanged(object sender, EventArgs e)
{
}
private void textBox3_TextChanged(object sender, EventArgs e)
{
}
}
}
Please help me.
