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  • C# 实现AES加密--解密

           /// <summary>
            ///  AES 加密
            /// </summary>
            /// <param name="str">明文(待加密)</param>
            /// <param name="key">密文</param>
            /// <returns></returns>
            public static string AesEncrypt(string str, string key)
            {
                if (string.IsNullOrEmpty(str)) return null;
                Byte[] toEncryptArray = Encoding.UTF8.GetBytes(str);
    
                System.Security.Cryptography.RijndaelManaged rm = new System.Security.Cryptography.RijndaelManaged
                {
                    Key = Encoding.UTF8.GetBytes(key),
                    Mode = System.Security.Cryptography.CipherMode.ECB,
                    Padding = System.Security.Cryptography.PaddingMode.PKCS7
                };
    
                System.Security.Cryptography.ICryptoTransform cTransform = rm.CreateEncryptor();
                Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
    
                return Convert.ToBase64String(resultArray, 0, resultArray.Length);
            }
            /// <summary>
            ///  AES 解密
            /// </summary>
            /// <param name="str">明文(待解密)</param>
            /// <param name="key">密文</param>
            /// <returns></returns>
            public static string AesDecrypt(string str, string key)
            {
                if (string.IsNullOrEmpty(str)) return null;
                Byte[] toEncryptArray = Convert.FromBase64String(str);
    
                System.Security.Cryptography.RijndaelManaged rm = new System.Security.Cryptography.RijndaelManaged
                {
                    Key = Encoding.UTF8.GetBytes(key),
                    Mode = System.Security.Cryptography.CipherMode.ECB,
                    Padding = System.Security.Cryptography.PaddingMode.PKCS7
                };
    
                System.Security.Cryptography.ICryptoTransform cTransform = rm.CreateDecryptor();
                Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
    
                return Encoding.UTF8.GetString(resultArray);
            }

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  • 原文地址:https://www.cnblogs.com/rzm2wxm/p/7770810.html
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