C#利用异或算法实现加密解密

public partial class FORM1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }

    private void button1_Click(object sender, EventArgs e)
    {
        try
        {
            if (textBox1.Text != "")
            {
                textBox2.Text = (Convert.ToInt32(textBox1.Text) ^ 123).ToString();
            }
        }
        catch { }
    }

    private void button2_Click(object sender, EventArgs e)
    {
        try
        {
            if (textBox2.Text != "")
            {
                textBox1.Text = (Convert.ToInt32(textBox2.Text) ^ 123).ToString();
            }
        }
        catch { }
    }
}

partial class Form1
{
    /// <summary>
    /// 必需的设计器变量。
    /// </summary>
    private System.ComponentModel.IContainer components = null;

    /// <summary>
    /// 清理所有正在使用的资源。
    /// </summary>
    /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
    protected override void Dispose(bool disposing)
    {
        if (disposing && (components != null))
        {
            components.Dispose();
        }
        base.Dispose(disposing);
    }

    #region windows 窗体设计器生成的代码

    /// <summary>
    /// 设计器支持所需的方法 - 不要
    /// 使用代码编辑器修改此方法的内容。
    /// </summary>
    private void InitializeComponent()
    {
        this.groupBox1 = new System.Windows.Forms.GroupBox();
        this.textBox2 = new System.Windows.Forms.TextBox();
        this.label3 = new System.Windows.Forms.Label();
        this.button2 = new System.Windows.Forms.Button();
        this.button1 = new System.Windows.Forms.Button();
        this.textBox1 = new System.Windows.Forms.TextBox();
        this.label2 = new System.Windows.Forms.Label();
        this.groupBox1.SuspendLayout();
        this.SuspendLayout();
        // 
        // groupBox1
        // 
        this.groupBox1.Controls.Add(this.textBox2);
        this.groupBox1.Controls.Add(this.label3);
        this.groupBox1.Controls.Add(this.button2);
        this.groupBox1.Controls.Add(this.button1);
        this.groupBox1.Controls.Add(this.textBox1);
        this.groupBox1.Controls.Add(this.label2);
        this.groupBox1.Location = new System.Drawing.Point(6, 4);
        this.groupBox1.Name = "groupBox1";
        this.groupBox1.Size = new System.Drawing.Size(282, 112);
        this.groupBox1.TabIndex = 6;
        this.groupBox1.TabStop = false;
        this.groupBox1.Text = "加密设置";
        // 
        // textBox2
        // 
        this.textBox2.Location = new System.Drawing.Point(115, 49);
        this.textBox2.Name = "textBox2";
        this.textBox2.Size = new System.Drawing.Size(143, 21);
        this.textBox2.TabIndex = 6;
        // 
        // label3
        // 
        this.label3.AutoSize = true;
        this.label3.Location = new System.Drawing.Point(24, 52);
        this.label3.Name = "label3";
        this.label3.Size = new System.Drawing.Size(89, 12);
        this.label3.TabIndex = 7;
        this.label3.Text = "加密后的数字：";
        // 
        // button2
        // 
        this.button2.Location = new System.Drawing.Point(183, 76);
        this.button2.Name = "button2";
        this.button2.Size = new System.Drawing.Size(75, 25);
        this.button2.TabIndex = 3;
        this.button2.Text = "解密";
        this.button2.UseVisualStyleBackColor = true;
        this.button2.Click += new System.EventHandler(this.button2_Click);
        // 
        // button1
        // 
        this.button1.Location = new System.Drawing.Point(101, 76);
        this.button1.Name = "button1";
        this.button1.Size = new System.Drawing.Size(75, 25);
        this.button1.TabIndex = 2;
        this.button1.Text = "加密";
        this.button1.UseVisualStyleBackColor = true;
        this.button1.Click += new System.EventHandler(this.button1_Click);
        // 
        // textBox1
        // 
        this.textBox1.Location = new System.Drawing.Point(115, 19);
        this.textBox1.Name = "textBox1";
        this.textBox1.Size = new System.Drawing.Size(143, 21);
        this.textBox1.TabIndex = 1;
        // 
        // label2
        // 
        this.label2.AutoSize = true;
        this.label2.Location = new System.Drawing.Point(24, 22);
        this.label2.Name = "label2";
        this.label2.Size = new System.Drawing.Size(89, 12);
        this.label2.TabIndex = 5;
        this.label2.Text = "加密前的数字：";
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(296, 123);
        this.Controls.Add(this.groupBox1);
        this.MaximizeBox = false;
        this.MinimizeBox = false;
        this.Name = "Form1";
        this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
        this.Text = "使用异或算法对数字进行加密解密";
        this.groupBox1.ResumeLayout(false);
        this.groupBox1.PerformLayout();
        this.ResumeLayout(false);

    }

    #endregion

    private System.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.Button button2;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.TextBox textBox1;
    private System.Windows.Forms.Label label2;
    private System.Windows.Forms.TextBox textBox2;
    private System.Windows.Forms.Label label3;
}