symmetricencryption.cs

在C#中实现加密解密

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace CryptographyExamplesInCS
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class SymmetricEncryption : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.TextBox txtServer;
		private System.Windows.Forms.TextBox txtDatabase;
		private System.Windows.Forms.TextBox txtUserId;
		private System.Windows.Forms.TextBox txtPassword;
		private System.Windows.Forms.TextBox txtProvider;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label5;

		private SymmetricExample crypto = new SymmetricExample();

		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public SymmetricEncryption()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		public void Decrypt()
		{
			crypto.Decrypt();

			this.txtDatabase.Text = crypto.Database;
			this.txtPassword.Text = crypto.Password;
			this.txtProvider.Text = crypto.Provider;
			this.txtServer.Text = crypto.Server;
			this.txtUserId.Text = crypto.User;
		}

		public void Encrypt()
		{
			crypto.Database = this.txtDatabase.Text;
			crypto.Password = this.txtPassword.Text;
			crypto.Provider = this.txtProvider.Text;
			crypto.Server = this.txtServer.Text;
			crypto.User = this.txtUserId.Text;

			crypto.Encrypt();
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.txtServer = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.txtDatabase = new System.Windows.Forms.TextBox();
			this.txtUserId = new System.Windows.Forms.TextBox();
			this.txtPassword = new System.Windows.Forms.TextBox();
			this.txtProvider = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.label4 = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// txtServer
			// 
			this.txtServer.Anchor = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right);
			this.txtServer.Location = new System.Drawing.Point(88, 16);
			this.txtServer.Name = "txtServer";
			this.txtServer.Size = new System.Drawing.Size(260, 20);
			this.txtServer.TabIndex = 0;
			this.txtServer.Text = "";
			// 
			// button1
			// 
			this.button1.Anchor = (System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right);
			this.button1.Location = new System.Drawing.Point(188, 168);
			this.button1.Name = "button1";
			this.button1.TabIndex = 1;
			this.button1.Text = "Decrypt";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Anchor = (System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right);
			this.button2.Location = new System.Drawing.Point(276, 168);
			this.button2.Name = "button2";
			this.button2.TabIndex = 2;
			this.button2.Text = "Encrypt";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// txtDatabase
			// 
			this.txtDatabase.Anchor = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right);
			this.txtDatabase.Location = new System.Drawing.Point(88, 48);
			this.txtDatabase.Name = "txtDatabase";
			this.txtDatabase.Size = new System.Drawing.Size(260, 20);
			this.txtDatabase.TabIndex = 3;
			this.txtDatabase.Text = "";
			// 
			// txtUserId
			// 
			this.txtUserId.Anchor = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right);
			this.txtUserId.Location = new System.Drawing.Point(88, 80);
			this.txtUserId.Name = "txtUserId";
			this.txtUserId.Size = new System.Drawing.Size(260, 20);
			this.txtUserId.TabIndex = 4;
			this.txtUserId.Text = "";
			// 
			// txtPassword
			// 
			this.txtPassword.Anchor = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right);
			this.txtPassword.Location = new System.Drawing.Point(88, 112);
			this.txtPassword.Name = "txtPassword";
			this.txtPassword.Size = new System.Drawing.Size(260, 20);
			this.txtPassword.TabIndex = 5;
			this.txtPassword.Text = "";
			// 
			// txtProvider
			// 
			this.txtProvider.Anchor = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right);
			this.txtProvider.Location = new System.Drawing.Point(88, 140);
			this.txtProvider.Name = "txtProvider";
			this.txtProvider.Size = new System.Drawing.Size(260, 20);
			this.txtProvider.TabIndex = 6;
			this.txtProvider.Text = "";
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.Location = new System.Drawing.Point(16, 20);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(44, 13);
			this.label1.TabIndex = 7;
			this.label1.Text = "Server :";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Location = new System.Drawing.Point(16, 52);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(59, 13);
			this.label2.TabIndex = 8;
			this.label2.Text = "Database :";
			// 
			// label3
			// 
			this.label3.AutoSize = true;
			this.label3.Location = new System.Drawing.Point(16, 84);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(47, 13);
			this.label3.TabIndex = 9;
			this.label3.Text = "User Id :";
			// 
			// label4
			// 
			this.label4.AutoSize = true;
			this.label4.Location = new System.Drawing.Point(16, 116);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(60, 13);
			this.label4.TabIndex = 10;
			this.label4.Text = "Password :";
			// 
			// label5
			// 
			this.label5.AutoSize = true;
			this.label5.Location = new System.Drawing.Point(16, 144);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(53, 13);
			this.label5.TabIndex = 11;
			this.label5.Text = "Provider :";
			// 
			// SymmetricEncryption
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(360, 198);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.label5,
																		  this.label4,
																		  this.label3,
																		  this.label2,
																		  this.label1,
																		  this.txtProvider,
																		  this.txtPassword,
																		  this.txtUserId,
																		  this.txtDatabase,
																		  this.button2,
																		  this.button1,
																		  this.txtServer});
			this.Name = "SymmetricEncryption";
			this.Text = "Form1";
			this.Load += new System.EventHandler(this.SymmetricEncryption_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new CryptographyExamplesInCS.SymmetricEncryption());
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			this.Encrypt();
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			this.Decrypt();
		}

		private void SymmetricEncryption_Load(object sender, System.EventArgs e)
		{
		
		}
	}
}