using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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namespace HH.WCS.NongFuChaYuan.OtherService
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{
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class CryptoDecryptHelper
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{
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public static void Test()
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{
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#region 后台调用 企业微信自建应用程序 实现 实时报警功能
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//App:tUI9CvF7d3b7_j8njXEQOdp4TGn_aPuALtNYuh9SGb8 通讯录:BIrQFYaP6E5ZBYkRHUjeFU2IkzCqsokIM5Bct74U9ec
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//bool result = WeiXin.Init(1000002, "ww0b0c7633edccae9c", "tUI9CvF7d3b7_j8njXEQOdp4TGn_aPuALtNYuh9SGb8");
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//if (result)
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//{
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// WeiXin.SendMessageToUser("郑如嶺","111111111");
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//}
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#endregion
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#region AES+MD5 加密解密功能
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//var str = JsonConvert.SerializeObject(new { platform = "111", actionType = 1, taskNo = "111111", reqTime = "2022-08-03 14:12:00" });
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//var res = AESEncrypt(str, "de987awms8nfsspt22731o2ts0j833to");
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//res = AESEncrypt(str, "de987awms8nfsspt22731o2ts0j833to",enmKeyBit.KeyBit128);
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//res = AESEncrypt(str, "de987awms8nfsspt22731o2ts0j833to", enmKeyBit.KeyBit192);
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//var req = AESDecrypt(res, "de987awms8nfsspt22731o2ts0j833to");
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//string TokenMsg = "";
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//var httpVerify = Settings.GetHttpApiVerifyList().Where(a => a.VerifyNo == "1" && a.Project == Settings.ProjectName && a.Enable == "1").FirstOrDefault();
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//if (httpVerify != null) TokenMsg = httpVerify.Extend[0] + "from" + httpVerify.Extend[1] + "timestamp" + DateTime.Now.ToString().Replace("/","-");
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////Console.WriteLine($"加密前明文：{TokenMsg}");
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//string TokenMsgEncrypt = GetMd5FromString(TokenMsg);
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////Console.WriteLine($"加密后密文1：{TokenMsgEncrypt}");
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//TokenMsgEncrypt = GetMd5Hash(TokenMsg);
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////Console.WriteLine($"加密后密文2：{TokenMsgEncrypt}");
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//TokenMsgEncrypt = MD5Encrypt16(TokenMsg);
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////Console.WriteLine($"加密后密文16：{TokenMsgEncrypt}");
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//TokenMsgEncrypt = MD5Encrypt32(TokenMsg);
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////Console.WriteLine($"加密后密文32：{TokenMsgEncrypt}");
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//TokenMsgEncrypt = MD5Encrypt64(TokenMsg);
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////Console.WriteLine($"加密后密文64：{TokenMsgEncrypt}");
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#endregion
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}
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public enum enmKeyBit
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{
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KeyBit128 = 128,
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KeyBit192 = 192,
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KeyBit256 = 256,
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}
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/// <summary>
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/// AES ECB模式 加密
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/// </summary>
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/// <param name="data">明文</param>
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/// <param name="key">密钥</param>
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/// <param name="keyBit">密钥位数</param>
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/// <returns></returns>
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public static string AESEncrypt(String data, String key, enmKeyBit keyBit = enmKeyBit.KeyBit256)
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{
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if (string.IsNullOrEmpty(data))
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{
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return string.Empty;
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}
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try
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{
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int intKeyBit = (int)keyBit;
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RijndaelManaged aes = new RijndaelManaged();
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byte[] bytsData = Encoding.UTF8.GetBytes(data);
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byte[] bytsKey = new Byte[intKeyBit / 8];
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Array.Copy(Encoding.UTF8.GetBytes(key.PadRight(bytsKey.Length)), bytsKey, bytsKey.Length);
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aes.Mode = CipherMode.ECB;
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aes.Padding = PaddingMode.PKCS7;
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aes.KeySize = intKeyBit;
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aes.Key = bytsKey;
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//aes.IV = iv;
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ICryptoTransform ctf = aes.CreateEncryptor();
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byte[] bytsResult = ctf.TransformFinalBlock(bytsData, 0, bytsData.Length);
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return Convert.ToBase64String(bytsResult);
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}
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catch
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{
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return string.Empty;
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}
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}
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/// <summary>
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/// AES ECB模式 解密
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/// </summary>
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/// <param name="data">密文</param>
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/// <param name="key">密钥</param>
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/// <param name="keyBit">密钥位数</param>
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/// <returns></returns>
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public static string AESDecrypt(String data, String key, enmKeyBit keyBit = enmKeyBit.KeyBit256)
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{
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if (string.IsNullOrEmpty(data))
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{
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return string.Empty;
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}
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try
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{
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int intKeyBit = (int)keyBit;
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RijndaelManaged aes = new RijndaelManaged();
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byte[] bytsData = Convert.FromBase64String(data);
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byte[] bytsKey = new Byte[intKeyBit / 8];
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Array.Copy(Encoding.UTF8.GetBytes(key.PadRight(bytsKey.Length)), bytsKey, bytsKey.Length);
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aes.Mode = CipherMode.ECB;
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aes.Padding = PaddingMode.PKCS7;
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aes.KeySize = intKeyBit;
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aes.Key = bytsKey;
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//aes.IV = iv;
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ICryptoTransform ctf = aes.CreateDecryptor();
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byte[] bytsResult = ctf.TransformFinalBlock(bytsData, 0, bytsData.Length);
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return UTF8Encoding.UTF8.GetString(bytsResult);
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}
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catch
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{
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return string.Empty;
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}
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}
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/// <summary>
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/// MD5加密
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/// </summary>
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/// <param name="sInput"></param>
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/// <returns></returns>
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public static string GetMd5FromString(string sInput)
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{
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var lstData = Encoding.GetEncoding("utf-8").GetBytes(sInput);
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var lstHash = new MD5CryptoServiceProvider().ComputeHash(lstData);
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var result = new StringBuilder(32);
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for (int i = 0; i < lstHash.Length; i++)
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{
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result.Append(lstHash[i].ToString("x2").ToUpper());
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}
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return result.ToString();
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}
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/// <summary>
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/// MD5加密方式二
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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static string GetMd5Hash(string input)
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{
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using (MD5 md5 = MD5.Create())
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{
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byte[] data = md5.ComputeHash(Encoding.UTF8.GetBytes(input));
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < data.Length; i++)
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{
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sb.Append(data[i].ToString("x2"));
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}
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return sb.ToString();
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}
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}
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/// <summary>
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/// 16位MD5加密
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/// </summary>
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/// <param name="password"></param>
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/// <returns></returns>
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public static string MD5Encrypt16(string password)
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{
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var md5 = new MD5CryptoServiceProvider();
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string t2 = BitConverter.ToString(md5.ComputeHash(Encoding.Default.GetBytes(password)), 4, 8);
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t2 = t2.Replace("-", "");
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return t2;
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}
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/// <summary>
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/// 32位MD5加密
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/// </summary>
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/// <param name="password"></param>
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/// <returns></returns>
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public static string MD5Encrypt32(string password)
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{
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string cl = password;
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string pwd = "";
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MD5 md5 = MD5.Create(); //实例化一个md5对像
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// 加密后是一个字节类型的数组，这里要注意编码UTF8/Unicode等的选择
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byte[] s = md5.ComputeHash(Encoding.UTF8.GetBytes(cl));
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// 通过使用循环，将字节类型的数组转换为字符串，此字符串是常规字符格式化所得
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for (int i = 0; i < s.Length; i++)
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{
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// 将得到的字符串使用十六进制类型格式。格式后的字符是小写的字母，如果使用大写（X）则格式后的字符是大写字符
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pwd = pwd + s[i].ToString("X");
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}
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return pwd;
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}
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/// <summary>
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/// 64位MD5加密
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/// </summary>
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/// <param name="password"></param>
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/// <returns></returns>
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public static string MD5Encrypt64(string password)
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{
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string cl = password;
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//string pwd = "";
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MD5 md5 = MD5.Create(); //实例化一个md5对像
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// 加密后是一个字节类型的数组，这里要注意编码UTF8/Unicode等的选择
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byte[] s = md5.ComputeHash(Encoding.UTF8.GetBytes(cl));
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return Convert.ToBase64String(s);
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}
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}
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}
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