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技术文章

AES加密解密 Web版及程序版

作者:ufo1199078 日期:2010-01-12

字体大小: 小中大

软件功能：可用来加密任何文本，只要别人不知道你的密码，基本上他是************不了的，所以呀，机器上那些想保密的东西都用来加密吧，嘎嘎

Web版地址：http://www.yongfa365.com/Tools/AES/Default.aspx

AES高级加密标准　密码学中的高级加密标准，是美国联邦政府采用的一种区块加密标准。

主要代码：

view plaincopy to clipboardprint?
using System;
using System.Text;
using System.Security.Cryptography;
using System.IO;

namespace YongFa365.Security
{
    /// <SUMMARY></SUMMARY>
    /// AES加密解密
    ///
    public class AES
    {
        public static string Encrypt(string strEncrypt, string strKey)
        {
            try
            {
                byte[] keyArray = UTF8Encoding.UTF8.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strKey, "md5"));
                byte[] strEncryptArray = UTF8Encoding.UTF8.GetBytes(strEncrypt);
                byte[] resultArray = null;

                using (RijndaelManaged rDel = new RijndaelManaged())
                {
                    rDel.Key = keyArray;
                    rDel.Mode = CipherMode.ECB;
                    rDel.Padding = PaddingMode.PKCS7;

                    ICryptoTransform cTransform = rDel.CreateEncryptor();

                    resultArray = cTransform.TransformFinalBlock(strEncryptArray, 0, strEncryptArray.Length);

                }
                return Convert.ToBase64String(resultArray, 0, resultArray.Length);
            }
            catch
            {
                return null;
            }
        }

        public static string Decrypt(string strDecrypt, string strKey)
        {
            try
            {
                byte[] keyArray = UTF8Encoding.UTF8.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strKey, "md5"));
                byte[] strDecryptArray = Convert.FromBase64String(strDecrypt);
                byte[] resultArray = null;

                using (RijndaelManaged rDel = new RijndaelManaged())
                {
                    rDel.Key = keyArray;
                    rDel.Mode = CipherMode.ECB;
                    rDel.Padding = PaddingMode.PKCS7;

                    ICryptoTransform cTransform = rDel.CreateDecryptor();
                    resultArray = cTransform.TransformFinalBlock(strDecryptArray, 0, strDecryptArray.Length);

                }

                return UTF8Encoding.UTF8.GetString(resultArray);
            }
            catch
            {

                return null;
            }
        }


    }
}

using System;
using System.Text;
using System.Security.Cryptography;
using System.IO;

namespace YongFa365.Security
{
    ///
    /// AES加密解密
    ///
    public class AES
    {
        public static string Encrypt(string strEncrypt, string strKey)
        {
            try
            {
                byte[] keyArray = UTF8Encoding.UTF8.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strKey, "md5"));
                byte[] strEncryptArray = UTF8Encoding.UTF8.GetBytes(strEncrypt);
                byte[] resultArray = null;

                using (RijndaelManaged rDel = new RijndaelManaged())
                {
                    rDel.Key = keyArray;
                    rDel.Mode = CipherMode.ECB;
                    rDel.Padding = PaddingMode.PKCS7;

                    ICryptoTransform cTransform = rDel.CreateEncryptor();

                    resultArray = cTransform.TransformFinalBlock(strEncryptArray, 0, strEncryptArray.Length);

                }
                return Convert.ToBase64String(resultArray, 0, resultArray.Length);
            }
            catch
            {
                return null;
            }
        }

        public static string Decrypt(string strDecrypt, string strKey)
        {
            try
            {
                byte[] keyArray = UTF8Encoding.UTF8.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strKey, "md5"));
                byte[] strDecryptArray = Convert.FromBase64String(strDecrypt);
                byte[] resultArray = null;

                using (RijndaelManaged rDel = new RijndaelManaged())
                {
                    rDel.Key = keyArray;
                    rDel.Mode = CipherMode.ECB;
                    rDel.Padding = PaddingMode.PKCS7;

                    ICryptoTransform cTransform = rDel.CreateDecryptor();
                    resultArray = cTransform.TransformFinalBlock(strDecryptArray, 0, strDecryptArray.Length);

                }

                return UTF8Encoding.UTF8.GetString(resultArray);
            }
            catch
            {

                return null;
            }
        }

    }
}
相关类及Demo下载地址：AES加密解密.rar