using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.IO;
using System.Security.Cryptography;
public partial class _Default : System.Web.UI.Page
{
//默认密钥向量
private static byte[] Keys = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
protected void Page_Load(object sender, EventArgs e)
{
}
#region base64
//加密
protected void Button1_Click(object sender, EventArgs e)
{
string context = this.TextBox1.Text.Trim();
byte[] arrs = Encoding.GetEncoding("UTF-8").GetBytes(context);
this.TextBox2.Text = Convert.ToBase64String(arrs);
}
//解密
protected void Button2_Click(object sender, EventArgs e)
{
string context = this.TextBox1.Text.Trim();
char[] chars = context.ToCharArray();
byte[] byts = Convert.FromBase64CharArray(chars, 0, chars.Length);
this.TextBox2.Text =Encoding.GetEncoding("UTF-8").GetString(byts);
//Convert.to
}
#endregion
#region MD5
protected void Button3_Click(object sender, EventArgs e)
{
string context =this.TextBox3.Text.Trim();
this.TextBox4.Text = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(context, "md5");
}
#endregion
#region Des加密解密
//加密
protected void Button4_Click(object sender, EventArgs e)
{
string key = this.TexKey.Text.Trim();
//StringBuilder key = new StringBuilder(this.TexKey.Text.Trim());
if (key.Length < 8)
{
for (int i = key.Length; i <= 8; i++)
{
key += "-";
}
this.TexKey.Text = key.ToString();
}
//获取要加密的字符串
string encryptString = this.TexDes.Text.Trim();
byte[] keyBytes = Encoding.UTF8.GetBytes(key.Substring(0, 8));
//byte[] keyIV = keyBytes;
byte[] keyIV = Keys;
byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString);
DESCryptoServiceProvider provider = new DESCryptoServiceProvider();
MemoryStream mStream = new MemoryStream();
CryptoStream cStream = new CryptoStream(mStream, provider.CreateEncryptor(keyBytes, keyIV), CryptoStreamMode.Write);
cStream.Write(inputByteArray, 0, inputByteArray.Length);
cStream.FlushFinalBlock();
//return Convert.ToBase64String(mStream.ToArray());
this.txtResult.Text = Convert.ToBase64String(mStream.ToArray());
}
//解密
protected void Button5_Click(object sender, EventArgs e)
{
//获取解密字符串
string decryptString = this.TexDes.Text.Trim();
//获取密钥
string key = this.TexKey.Text.Trim();
byte[] keyBytes = Encoding.UTF8.GetBytes(key.Substring(0, 8));
//byte[] keyIV = keyBytes;
byte[] keyIV = Keys;
try
{
byte[] inputByteArray = Convert.FromBase64String(decryptString);
DESCryptoServiceProvider provider = new DESCryptoServiceProvider();
MemoryStream mStream = new MemoryStream();
CryptoStream cStream = new CryptoStream(mStream, provider.CreateDecryptor(keyBytes, keyIV), CryptoStreamMode.Write);
cStream.Write(inputByteArray, 0, inputByteArray.Length);
cStream.FlushFinalBlock();
//return Encoding.UTF8.GetString(mStream.ToArray());
this.txtResult.Text = Encoding.UTF8.GetString(mStream.ToArray());
}
catch
{
TexKey.Text = "密码错误！";
}
}
#endregion
}