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238
HT.Cloud.Code/Security/DESEncrypt.cs
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238
HT.Cloud.Code/Security/DESEncrypt.cs
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/*******************************************************************************
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* Copyright © 2016 HT.Cloud.Framework 版权所有
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* Author: HT.Cloud
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* Description: WaterCloud快速开发平台
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* Website：
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*********************************************************************************/
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using System;
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using System.Security.Cryptography;
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using System.Text;
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namespace HT.Cloud.Code
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{
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/// <summary>
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/// DES加密、解密帮助类
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/// </summary>
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public class DESEncrypt
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{
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private static string DESKey = "WaterCloud_desencrypt_2019";
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#region ========加密========
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/// <summary>
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/// 加密
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/// </summary>
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/// <param name="Text"></param>
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/// <returns></returns>
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public static string Encrypt(string Text)
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{
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return Encrypt(Text, DESKey);
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}
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/// <summary>
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/// 加密数据，用Web.Security的Hash方式加密
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/// </summary>
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/// <param name="Text"></param>
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/// <param name="sKey"></param>
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/// <returns></returns>
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public static string Encrypt(string Text, string sKey)
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{
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DES des = DES.Create();
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byte[] inputByteArray;
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inputByteArray = Encoding.Default.GetBytes(Text);
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des.Key = ASCIIEncoding.ASCII.GetBytes(DecryptMd5(sKey));
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des.IV = ASCIIEncoding.ASCII.GetBytes(DecryptMd5(sKey));
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System.IO.MemoryStream ms = new System.IO.MemoryStream();
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CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
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cs.Write(inputByteArray, 0, inputByteArray.Length);
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cs.FlushFinalBlock();
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StringBuilder ret = new StringBuilder();
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foreach (byte b in ms.ToArray())
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{
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ret.AppendFormat("{0:X2}", b);
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}
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return ret.ToString();
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}
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/// <summary>
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/// 加密数据, 用Security.MD5而非Web.Security的Hash方式加密
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/// </summary>
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/// <param name="Text"></param>
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/// <returns></returns>
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public static string Encrypt2(string Text)
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{
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return Encrypt2(Text, DESKey);
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}
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/// <summary>
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/// 加密数据, 用Security.MD5而非Web.Security的Hash方式加密
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/// </summary>
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/// <param name="Text"></param>
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/// <param name="sKey"></param>
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/// <returns></returns>
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public static string Encrypt2(string Text, string sKey)
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{
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DES des = DES.Create();
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byte[] inputByteArray;
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inputByteArray = Encoding.Default.GetBytes(Text);
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sKey = MD5(sKey).Substring(0, 8);
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des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
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des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
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System.IO.MemoryStream ms = new System.IO.MemoryStream();
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CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
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cs.Write(inputByteArray, 0, inputByteArray.Length);
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cs.FlushFinalBlock();
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StringBuilder ret = new StringBuilder();
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foreach (byte b in ms.ToArray())
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{
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ret.AppendFormat("{0:X2}", b);
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}
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return ret.ToString();
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}
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#endregion ========加密========
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#region ========解密========
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/// <summary>
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/// 解密
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/// </summary>
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/// <param name="Text"></param>
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/// <returns></returns>
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public static string Decrypt(string Text)
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{
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if (!string.IsNullOrEmpty(Text))
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{
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return Decrypt(Text, DESKey);
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}
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else
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{
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return "";
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}
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}
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/// <summary>
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/// 解密数据，用Web.Security的Hash方式加密
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/// </summary>
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/// <param name="Text"></param>
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/// <param name="sKey"></param>
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/// <returns></returns>
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public static string Decrypt(string Text, string sKey)
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{
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DES des = DES.Create();
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int len;
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len = Text.Length / 2;
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byte[] inputByteArray = new byte[len];
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int x, i;
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for (x = 0; x < len; x++)
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{
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i = Convert.ToInt32(Text.Substring(x * 2, 2), 16);
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inputByteArray[x] = (byte)i;
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}
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des.Key = ASCIIEncoding.ASCII.GetBytes(DecryptMd5(sKey));
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des.IV = ASCIIEncoding.ASCII.GetBytes(DecryptMd5(sKey));
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System.IO.MemoryStream ms = new System.IO.MemoryStream();
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CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
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cs.Write(inputByteArray, 0, inputByteArray.Length);
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cs.FlushFinalBlock();
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return Encoding.Default.GetString(ms.ToArray());
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}
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public static string DecryptMd5(string str)
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{
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string strEncrypt = string.Empty;
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var md5 = System.Security.Cryptography.MD5.Create();
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var data = md5.ComputeHash(Encoding.UTF8.GetBytes(str));
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StringBuilder builder = new StringBuilder();
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// 循环遍历哈希数据的每一个字节并格式化为十六进制字符串
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for (int i = 0; i < data.Length; i++)
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{
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builder.Append(data[i].ToString("X2"));
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}
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strEncrypt = builder.ToString().Substring(0, 8);
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return strEncrypt;
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}
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/// <summary>
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/// 解密数据,用Security.MD5而非Web.Security的Hash方式加密
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/// </summary>
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/// <param name="Text"></param>
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/// <returns></returns>
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public static string Decrypt2(string Text)
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{
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if (!string.IsNullOrEmpty(Text))
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{
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return Decrypt2(Text, DESKey);
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}
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else
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{
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return "";
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}
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}
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/// <summary>
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/// 解密数据,用Security.MD5而非Web.Security的Hash方式加密
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/// </summary>
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/// <param name="Text"></param>
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/// <param name="sKey"></param>
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/// <returns></returns>
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public static string Decrypt2(string Text, string sKey)
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{
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DES des = DES.Create();
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int len;
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len = Text.Length / 2;
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byte[] inputByteArray = new byte[len];
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int x, i;
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for (x = 0; x < len; x++)
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{
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i = Convert.ToInt32(Text.Substring(x * 2, 2), 16);
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inputByteArray[x] = (byte)i;
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}
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sKey = MD5(sKey).Substring(0, 8);
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des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
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des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
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System.IO.MemoryStream ms = new System.IO.MemoryStream();
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CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
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cs.Write(inputByteArray, 0, inputByteArray.Length);
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cs.FlushFinalBlock();
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return Encoding.Default.GetString(ms.ToArray());
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}
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#endregion ========解密========
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public static string MD5(string pwd)
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{
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MD5 md5 = System.Security.Cryptography.MD5.Create();
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byte[] data = System.Text.Encoding.Default.GetBytes(pwd);
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byte[] md5data = md5.ComputeHash(data);
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md5.Clear();
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string str = "";
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for (int i = 0; i < md5data.Length; i++)
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{
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str += md5data[i].ToString("x").PadLeft(2, '0');
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}
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return str;
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}
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/// <summary>
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/// 基于Sha1的自定义加密字符串方法：输入一个字符串，返回一个由40个字符组成的十六进制的哈希散列（字符串）。
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/// </summary>
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/// <param name="str">要加密的字符串</param>
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/// <returns>加密后的十六进制的哈希散列（字符串）</returns>
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public static string Sha1(string str)
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{
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var buffer = Encoding.UTF8.GetBytes(str);
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var data = SHA1.Create().ComputeHash(buffer);
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var sb = new StringBuilder();
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foreach (var t in data)
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{
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sb.Append(t.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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}
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95
HT.Cloud.Code/Security/Md5.cs
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95
HT.Cloud.Code/Security/Md5.cs
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/*******************************************************************************
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* Copyright © 2016 HT.Cloud.Framework 版权所有
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* Author: HT.Cloud
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* Description: WaterCloud快速开发平台
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* Website：
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*********************************************************************************/
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using System;
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using System.Security.Cryptography;
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using System.Text;
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namespace HT.Cloud.Code
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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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public class Md5
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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="str">加密字符</param>
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/// <param name="code">加密位数16/32</param>
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/// <returns></returns>
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public static string md5(string str, int code)
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{
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string strEncrypt = string.Empty;
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if (code == 16)
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{
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var md5 = System.Security.Cryptography.MD5.Create();
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var data = md5.ComputeHash(Encoding.UTF8.GetBytes(str));
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StringBuilder builder = new StringBuilder();
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// 循环遍历哈希数据的每一个字节并格式化为十六进制字符串
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for (int i = 0; i < data.Length; i++)
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{
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builder.Append(data[i].ToString("X2"));
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}
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strEncrypt = builder.ToString().Substring(8, 16);
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}
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if (code == 32)
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{
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var md5 = System.Security.Cryptography.MD5.Create();
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var data = md5.ComputeHash(Encoding.UTF8.GetBytes(str));
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StringBuilder builder = new StringBuilder();
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// 循环遍历哈希数据的每一个字节并格式化为十六进制字符串
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for (int i = 0; i < data.Length; i++)
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{
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builder.Append(data[i].ToString("X2"));
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}
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strEncrypt = builder.ToString();
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}
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return strEncrypt;
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}
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public static string MD5(string str)
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{
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MD5 md5 = System.Security.Cryptography.MD5.Create();
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byte[] data = System.Text.Encoding.Default.GetBytes(str);
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byte[] md5data = md5.ComputeHash(data);
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md5.Clear();
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str = "";
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for (int i = 0; i < md5data.Length; i++)
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{
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str += md5data[i].ToString("x").PadLeft(2, '0');
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}
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return str;
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}
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public static string MD5Lower16(string str)
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{
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return MD5(str).ToLower().Substring(8, 16);
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}
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public static string MD5Lower32(string str)
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{
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return MD5(str).ToLower(); ;
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}
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/// <summary>
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/// 32位小写
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/// </summary>
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/// <returns></returns>
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public static string SHA1(string s)
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{
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SHA1 sha1 = System.Security.Cryptography.SHA1.Create();
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byte[] hash = sha1.ComputeHash(Encoding.UTF8.GetBytes(s));
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string shaStr = BitConverter.ToString(hash);
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shaStr = shaStr.Replace("-", "");
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shaStr = shaStr.ToLower();
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return s.ToLower();
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}
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}
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}
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