src/Czar.Cms.Core/Helper/AESEncryptHelper.cs

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/**
*┌──────────────────────────────────────────────────────────────┐
*│　描    述：AES加解密帮助类                                                    
*│　作    者：yilezhu                                             
*│　版    本：1.0                                                 
*│　创建时间：2019/1/1 21:11:02                             
*└──────────────────────────────────────────────────────────────┘
*┌──────────────────────────────────────────────────────────────┐
*│　命名空间： Czar.Cms.Core.Helper                                   
*│　类    名： DESEncryptHelper                                      
*└──────────────────────────────────────────────────────────────┘
*/
using System;
using System.IO;
using System.Text;
using System.Security.Cryptography;

namespace Czar.Cms.Core.Helper
{
    /// <summary> 
    /// 加密
    /// </summary> 
    public class AESEncryptHelper
    {
        //默认密钥向量
        private static byte[] Keys = { 0x41, 0x72, 0x65, 0x79, 0x6F, 0x75, 0x6D, 0x79, 0x53, 0x6E, 0x6F, 0x77, 0x6D, 0x61, 0x6E, 0x3F };

        #region ========加密========
        public static string Encode(string encryptString, string encryptKey)
        {
            encryptKey = GetSubString(encryptKey, 0, 32, "");
            encryptKey = encryptKey.PadRight(32, ' ');

            RijndaelManaged rijndaelProvider = new RijndaelManaged();
            rijndaelProvider.Key = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 32));
            rijndaelProvider.IV = Keys;
            ICryptoTransform rijndaelEncrypt = rijndaelProvider.CreateEncryptor();

            byte[] inputData = Encoding.UTF8.GetBytes(encryptString);
            byte[] encryptedData = rijndaelEncrypt.TransformFinalBlock(inputData, 0, inputData.Length);

            return Convert.ToBase64String(encryptedData);
        }
        #endregion

        #region ========解密========
        public static string Decode(string decryptString, string decryptKey)
        {
            try
            {
                decryptKey = GetSubString(decryptKey, 0, 32, "");
                decryptKey = decryptKey.PadRight(32, ' ');

                RijndaelManaged rijndaelProvider = new RijndaelManaged();
                rijndaelProvider.Key = Encoding.UTF8.GetBytes(decryptKey);
                rijndaelProvider.IV = Keys;
                ICryptoTransform rijndaelDecrypt = rijndaelProvider.CreateDecryptor();

                byte[] inputData = Convert.FromBase64String(decryptString);
                byte[] decryptedData = rijndaelDecrypt.TransformFinalBlock(inputData, 0, inputData.Length);