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1.Encrypt加密
2.Encrypt解密
3.Encrypt MD5加密
看下面代码吧
- /// <summary>
- /// 类说明:Assistant
- /// 编 码 人:苏飞
- /// 联系方式:361983679
- /// 更新网站:http://www.cckan.net/thread-655-1-1.html
- /// </summary>
- using System;
- using System.Security.Cryptography;
- using System.IO;
- namespace DotNet.Utilities
- {
- /// <summary>
- /// 加密解密实用类。
- /// </summary>
- public class Encrypt
- {
- //密钥
- private static byte[] arrDESKey = new byte[] {42, 16, 93, 156, 78, 4, 218, 32};
- private static byte[] arrDESIV = new byte[] {55, 103, 246, 79, 36, 99, 167, 3};
- /// <summary>
- /// 加密。
- /// </summary>
- /// <param name="m_Need_Encode_String"></param>
- /// <returns></returns>
- public static string Encode(string m_Need_Encode_String)
- {
- if (m_Need_Encode_String == null)
- {
- throw new Exception("Error: \n源字符串为空!!");
- }
- DESCryptoServiceProvider objDES = new DESCryptoServiceProvider();
- MemoryStream objMemoryStream = new MemoryStream();
- CryptoStream objCryptoStream = new CryptoStream(objMemoryStream,objDES.CreateEncryptor(arrDESKey,arrDESIV),CryptoStreamMode.Write);
- StreamWriter objStreamWriter = new StreamWriter(objCryptoStream);
- objStreamWriter.Write(m_Need_Encode_String);
- objStreamWriter.Flush();
- objCryptoStream.FlushFinalBlock();
- objMemoryStream.Flush();
- return Convert.ToBase64String(objMemoryStream.GetBuffer(), 0, (int)objMemoryStream.Length);
- }
- /// <summary>
- /// 解密。
- /// </summary>
- /// <param name="m_Need_Encode_String"></param>
- /// <returns></returns>
- public static string Decode(string m_Need_Encode_String)
- {
- if (m_Need_Encode_String == null)
- {
- throw new Exception("Error: \n源字符串为空!!");
- }
- DESCryptoServiceProvider objDES = new DESCryptoServiceProvider();
- byte[] arrInput = Convert.FromBase64String(m_Need_Encode_String);
- MemoryStream objMemoryStream = new MemoryStream(arrInput);
- CryptoStream objCryptoStream = new CryptoStream(objMemoryStream,objDES.CreateDecryptor(arrDESKey,arrDESIV),CryptoStreamMode.Read);
- StreamReader objStreamReader = new StreamReader(objCryptoStream);
- return objStreamReader.ReadToEnd();
- }
- /// <summary>
- /// md5
- /// </summary>
- /// <param name="encypStr"></param>
- /// <returns></returns>
- public static string Md5(string encypStr)
- {
- string retStr;
- MD5CryptoServiceProvider m5 = new MD5CryptoServiceProvider();
- byte[] inputBye;
- byte[] outputBye;
- inputBye = System.Text.Encoding.ASCII.GetBytes(encypStr);
- outputBye = m5.ComputeHash(inputBye);
- retStr = Convert.ToBase64String(outputBye);
- return (retStr);
- }
- }
- }
复制代码
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