【asp】asp.net 字符串加密解密技术-net-字符串-加密解密

欢迎您访问我爱IT技术网，今天小编为你分享的编程技术是：【asp.net 字符串加密解密技术】，下面是详细的讲解！

asp.net 字符串加密解密技术

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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.Security.Cryptography;
using System.IO;
namespace www
{
public partial class jiami : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Bind();
}
private void Bind()
{
//加密
this.Title=DesEncrypt("pwd", "abcd1234");
this.Title +=DesDecrypt(this.Title, "abcd1234");
Response.Write(DesDecrypt("2ikCw0TqKGo=", "abcd1234"));
}
/// <summary>
/// 加密字符串
/// 注意:密钥必须为８位
/// </summary>
/// <param name="strText">字符串</param>
/// <param name="encryptKey">密钥</param>
/// <param name="encryptKey">返回加密后的字符串</param>
public string DesEncrypt(string inputString, string encryptKey)
{
byte[] byKey=null;
byte[] IV={ 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
try
{
byKey=System.Text.Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
DESCryptoServiceProvider des=new DESCryptoServiceProvider();
byte[] inputByteArray=Encoding.UTF8.GetBytes(inputString);
MemoryStream ms=new MemoryStream();
CryptoStream cs=new CryptoStream(ms, des.CreateEncryptor(byKey, IV), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
return Convert.ToBase64String(ms.ToArray());
}
catch (System.Exception error)
{
//return error.Message;
return null;
}
}
/// <summary>
/// 解密字符串
/// </summary>
/// <param name="this.inputString">加了密的字符串</param>
/// <param name="decryptKey">密钥</param>
/// <param name="decryptKey">返回解密后的字符串</param>
public string DesDecrypt(string inputString, string decryptKey)
{
byte[] byKey=null;
byte[] IV={ 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
byte[] inputByteArray=new Byte[inputString.Length];
try
{
byKey=System.Text.Encoding.UTF8.GetBytes(decryptKey.Substring(0, 8));
DESCryptoServiceProvider des=new DESCryptoServiceProvider();
inputByteArray=Convert.FromBase64String(inputString);
MemoryStream ms=new MemoryStream();
CryptoStream cs=new CryptoStream(ms, des.CreateDecryptor(byKey, IV), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
System.Text.Encoding encoding=new System.Text.UTF8Encoding();
return encoding.GetString(ms.ToArray());
}
catch (System.Exception error)
{
//return error.Message;
return null;
}
}
}
}

关于asp.net 字符串加密解密技术的用户互动如下：

　　相关问题：

　　答： >>详细

　　相关问题：

　　答： >>详细

　　相关问题：

　　答： >>详细