init lserp cs 5.0

2026-07-10 15:25:05 +08:00
commit 90f3fda86a
3799 changed files with 976868 additions and 0 deletions
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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Security.Cryptography;
+using System.IO;
+
+namespace Zhaizj.Framework.Utils
+{
+    /// <summary>
+    /// 证书加密解密
+    /// </summary>
+    public class LicenseEncry
+    {
+        
+        private SymmetricAlgorithm _algthm;
+        private string _key;
+        private string _IV;
+
+        /// <summary>
+        /// 对称加密算法构造函数
+        /// </summary>
+        public LicenseEncry()
+        {
+            Inital();
+        }
+
+        /// <summary>
+        /// 对称加密算法构造函数，需要传入密钥字符串
+        /// </summary>
+        /// <param name="Key">密钥字符串</param>
+        public LicenseEncry(string Key)
+        {
+            Inital();
+            _key = EncryKey(Key);
+        }
+
+        /// <summary>
+        /// 对称加密算法构造函数，需要传入密钥字符串和初始化向量字符串
+        /// </summary>
+        /// <param name="Key">密钥字符串</param>
+        /// <param name="IV">初始向量字符串</param>
+        public LicenseEncry(string Key,string IV)
+        {
+            Inital();
+            _key = EncryKey(Key);
+            _IV = IV;
+        }
+
+        /// <summary>
+        /// 基本配置初始化
+        /// </summary>
+        private void Inital()
+        {
+            _algthm = new RijndaelManaged();
+            //128位的key
+            _key = "*)L7uaDdsl#@(*&873JKLF(*#klj*)L7uaDdsl#@(*&873JKLF(*#kljsdsfhjskldf789#()RU*(h9oa9#*w7R(Q#U(*)L7*)L7uaDdsl#@(*&873JKLF(*#kljsdsfhjskldf789#()RU*(h9oa9#*w7R(Q#U(uaDdsl#@(*&873JKLF(*#kljsdsfhjskldf789#()RU*(h9oa9#*w7R(Q#U(sdsfhjskldf789#()RU*(h9oa9#*w7R(Q#U(";
+            _IV = "FG&^lsdlkjsdojslkad3240897&^9o34ly89f(*&#(!@_@_dfskldfhjks5d4f";
+            //_algthm.KeySize = 256;
+        }
+
+        private string EncryKey(string key)
+        {
+            //32位MD5加密
+            string longKey = MD5Encrp.MD5(key);
+            //将key变成64位的长密钥
+            while(longKey.Length<256)
+            {
+                longKey += longKey;
+            }
+            return longKey;
+        }
+
+        /// <summary>
+        /// 对原文进行加密后返回加密文
+        /// </summary>
+        /// <param name="Source"></param>
+        /// <returns></returns>
+        public string Encrypt(string Source)
+        {
+            //原文字节
+            byte[] byteIn = UTF8Encoding.UTF8.GetBytes(Source);
+            //密文流
+            MemoryStream ms = new MemoryStream();
+
+            //加密算法转换器生成
+            _algthm.Key = GetLegalKey();
+            _algthm.IV = GetLegalIV();
+            ICryptoTransform crypto = _algthm.CreateEncryptor();
+
+            //执行加密转换
+            CryptoStream cs = new CryptoStream(ms, crypto, CryptoStreamMode.Write);
+            cs.Write(byteIn, 0, byteIn.Length);
+            cs.FlushFinalBlock();
+            ms.Close();
+            cs.Close();
+
+            //返回编码后的字符串结果
+            byte[] byteOut = ms.ToArray();
+            return Convert.ToBase64String(byteOut);
+        }
+
+        /// <summary>
+        /// 对密文进行解密后返回加原文
+        /// </summary>
+        /// <param name="Source"></param>
+        /// <returns></returns>
+        public string Decrypt(string Source)
+        {
+            //密文字节
+            byte[] byteIn = Convert.FromBase64String(Source);
+            //密文流
+            MemoryStream ms = new MemoryStream(byteIn, 0, byteIn.Length);
+
+            //解密算法转换器生成
+            _algthm.Key = GetLegalKey();
+            _algthm.IV = GetLegalIV();
+            ICryptoTransform crypto = _algthm.CreateDecryptor();
+
+            //执行解密转换
+            CryptoStream cs = new CryptoStream(ms, crypto, CryptoStreamMode.Read);
+
+            //返回编码后的字符串结果
+            StreamReader sr = new StreamReader(cs);
+            return sr.ReadToEnd();
+        }
+
+
+
+        /// <summary>
+        /// 比较现有密钥与算法密钥的长度，使得现有密钥此成为合法长度
+        /// </summary>
+        /// <returns></returns>
+        private byte[] GetLegalKey()
+        {
+            string tmpKey = _key;
+            _algthm.GenerateKey();
+
+            int okLen = _algthm.Key.Length;
+            if (tmpKey.Length > okLen)
+            {
+                //_key过长则截取
+                tmpKey = tmpKey.Substring(0, okLen);
+            }
+            else if (tmpKey.Length < okLen)
+            {
+                //_key过短则补充
+                tmpKey = tmpKey.PadRight(okLen, ' ');
+            }
+
+            return ASCIIEncoding.ASCII.GetBytes(tmpKey);
+        }
+
+        /// <summary>
+        /// 比较现有IV与算法IV的长度，使得现有密钥此成为合法长度
+        /// </summary>
+        /// <returns></returns>
+        private byte[] GetLegalIV()
+        {
+            string tmpIV = _IV;
+            _algthm.GenerateIV();
+            int okLen = _algthm.IV.Length;
+            if (tmpIV.Length > okLen)
+            {
+                //_IV过长则截取
+                tmpIV = tmpIV.Substring(0, okLen);
+            }
+            else if (tmpIV.Length < okLen)
+            {
+                //_IV过短则补充
+                tmpIV = tmpIV.PadRight(okLen, ' ');
+            }
+            return ASCIIEncoding.ASCII.GetBytes(tmpIV);
+        }
+    }
+
+    /// <summary>
+    /// MD5加密算法
+    /// </summary>
+    public static class MD5Encrp
+    {
+        /// <summary>
+        /// MD5函数
+        /// </summary>
+        /// <param name="str">原始字符串</param>
+        /// <returns>MD5结果</returns>
+        public static string MD5(string str)
+        {
+            byte[] b = Encoding.Default.GetBytes(str);
+            b = new MD5CryptoServiceProvider().ComputeHash(b);
+            string ret = "";
+            for (int i = 0; i < b.Length; i++)
+                ret += b[i].ToString("x").PadLeft(2, '0');
+
+            return ret;
+        }
+    }
+}