암호화

using System;

using System.Text;

using System.Security.Cryptography;

using System.IO;

public class DataEncryptDecrypt

{

public static string encryData(string filepath)

{

byte[] keyArray = UTF8Encoding.UTF8.GetBytes("AASWAwQEFgcIBAoDDA0ODw==");

byte[] toEmcryptArray = File.ReadAllBytes(filepath);

RijndaelManaged rDel = new RijndaelManaged();

rDel.Key = keyArray;

rDel.Mode = CipherMode.ECB;

ICryptoTransform cTransform = rDel.CreateEncryptor();

byte[] resultArray = cTransform.TransformFinalBlock(toEmcryptArray, 0, toEmcryptArray.Length);

return Convert.ToBase64String(resultArray, 0, resultArray.Length);

}

public static string Decrypt(string toDecrypt)

{

byte[] keyArray = UTF8Encoding.UTF8.GetBytes("AASWAwQEFgcIBAoDDA0ODw==");

byte[] toEncryptArray = Convert.FromBase64String(toDecrypt);

RijndaelManaged rDel = new RijndaelManaged();

rDel.Key = keyArray;

rDel.Mode = CipherMode.ECB;

rDel.Padding = PaddingMode.None;

ICryptoTransform cTransform = rDel.CreateDecryptor();

byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);

return UTF8Encoding.UTF8.GetString(resultArray);

}

}

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//기본 사용법 JSON이용

public static void obj_encrypt_Save(object obj, string filePath, string fileName)

{

string json = ObjectToJson(obj);

string enc = DataEncryptDecrypt.encrystringData(json);

CreateJsonFile(filePath, fileName, enc);

}

//text를 불러와 복호화 후 오브젝트에 Deserailize

public static void decrypt_load<T>(T obj, string En_filePath, string fileName)

{

FileStream filestream = new FileStream(string.Format("{0}/{1}.json", En_filePath, fileName), FileMode.Open);

byte[] data = new byte[filestream.Length];

filestream.Read(data, 0, data.Length);

filestream.Close();

string jsonData = Encoding.UTF8.GetString(data);

string de_data = DataEncryptDecrypt.Decrypt(jsonData);

JsonUtility.FromJsonOverwrite(de_data, obj);

}