增加连接串加密，粤北安装版本封存

HT.Cloud.Code/Model/SystemConfig.cs

@@ -9,6 +9,11 @@ namespace HT.Cloud.Code.Model
 		/// </summary>
 		public bool Demo { get; set; }
 
+		/// <summary>
+		/// 系统备注
+		/// </summary>
+		public string GroupDescription { get; set; }
+
 		/// <summary>
 		/// 是否是调试模式
 		/// </summary>
@@ -25,7 +30,7 @@ namespace HT.Cloud.Code.Model
 		public string AllowCorsSite { get; set; }
 
 		public string DBProvider { get; set; }
-		public string DBConnectionString { get; set; }
+		public string DBConnectionString{ get; set; }
 		public int DBCommandTimeout { get; set; }
 
 		public string CacheProvider { get; set; }

HT.Cloud.Code/Security/AESKeyEncrypt.cs

@@ -0,0 +1,124 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HT.Cloud.Code
+{
+	public static class AESKeyEncrypt
+	{
+		#region 加解密方法二(Sha256和Sha512)
+		/// <summary>
+		/// Creates a SHA256 hash of the specified input.
+		/// </summary>
+		/// <param name="input">The input.</param>
+		/// <returns>A hash</returns>
+		public static string Sha256(this string input)
+		{
+			if (String.IsNullOrEmpty(input)) return string.Empty;
+			using (var sha = SHA256.Create())
+			{
+				var bytes = Encoding.UTF8.GetBytes(input);
+				var hash = sha.ComputeHash(bytes);
+				return Convert.ToBase64String(hash);
+			}
+		}
+		/// <summary>
+		/// Creates a SHA256 hash of the specified input.
+		/// </summary>
+		/// <param name="input">The input.</param>
+		/// <returns>A hash.</returns>
+		public static byte[] Sha256(this byte[] input)
+		{
+			if (input == null)
+			{
+				return null;
+			}
+			using (var sha = SHA256.Create())
+			{
+				return sha.ComputeHash(input);
+			}
+		}
+		/// <summary>
+		/// Creates a SHA512 hash of the specified input.
+		/// </summary>
+		/// <param name="input">The input.</param>
+		/// <returns>A hash</returns>
+		public static string Sha512(this string input)
+		{
+			if (string.IsNullOrEmpty(input)) return string.Empty;
+			using (var sha = SHA512.Create())
+			{
+				var bytes = Encoding.UTF8.GetBytes(input);
+				var hash = sha.ComputeHash(bytes);
+				return Convert.ToBase64String(hash);
+			}
+		}
+		#endregion
+
+		#region 加密解密法一
+		//默认密钥向量 
+		private static byte[] Keys = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
+
+		/// <summary> 
+		/// DES加密字符串 
+		/// </summary> 
+		/// <param name="encryptString">待加密的字符串</param> 
+		/// <param name="encryptKey">加密密钥,要求为16位</param> 
+		/// <returns>加密成功返回加密后的字符串，失败返回源串</returns> 
+
+		public static string EncryptDES(string encryptString, string encryptKey = "HT87688588DB3037")
+		{
+			try
+			{
+				byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 16));
+				byte[] rgbIV = Keys;
+				byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString);
+				var DCSP = Aes.Create();
+				MemoryStream mStream = new MemoryStream();
+				CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
+				cStream.Write(inputByteArray, 0, inputByteArray.Length);
+				cStream.FlushFinalBlock();
+				return Convert.ToBase64String(mStream.ToArray());
+			}
+			catch (Exception ex)
+			{
+				return ex.Message + encryptString;
+			}
+
+		}
+
+		/// <summary> 
+		/// DES解密字符串 
+		/// </summary> 
+		/// <param name="decryptString">待解密的字符串</param> 
+		/// <param name="decryptKey">解密密钥,要求为16位,和加密密钥相同</param> 
+		/// <returns>解密成功返回解密后的字符串，失败返源串</returns> 
+
+		public static string DecryptDES(string decryptString, string decryptKey = "HT87688588DB3037")
+		{
+			try
+			{
+				byte[] rgbKey = Encoding.UTF8.GetBytes(decryptKey.Substring(0, 16));
+				byte[] rgbIV = Keys;
+				byte[] inputByteArray = Convert.FromBase64String(decryptString);
+				var DCSP = Aes.Create();
+				MemoryStream mStream = new MemoryStream();
+				CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
+				Byte[] inputByteArrays = new byte[inputByteArray.Length];
+				cStream.Write(inputByteArray, 0, inputByteArray.Length);
+				cStream.FlushFinalBlock();
+				return Encoding.UTF8.GetString(mStream.ToArray());
+			}
+			catch (Exception ex)
+			{
+				return ex.Message + decryptString;
+			}
+
+		}
+		#endregion
+	}
+}