byte[] Decrypt(byte[] buffer, int offset = 0)
{
var empty = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 };
var des = new DESCrypto(empty, empty);
return(des.Decrypt(offset == 0 ? buffer : buffer.Sub(offset)));
}
//解密Lua代码
static public byte[] DecryptLuaCode(byte[] data)
{
if (SystemConfig.Instance.IsEncryptLuaCode)
{
return(DESCrypto.Decrypt(data, MyFileUtil.EncryptKey));
}
return(data);
}
void LoadLib()
{
if (!bLoodLib)
{
bLoodLib = true;
}
else
{
return;
}
LoadSolutionLib();
var enData = FileAccessManager.LoadBytes(FileName);
if (enData != null)
{
//var sw = new System.Diagnostics.Stopwatch();
//sw.Start();
var deData = DESCrypto.Decrypt(enData, Number);
//sw.Stop();
deData = Utils.UnpackMemory(deData);
//Debug.LogInfo("Decrypt time: " + sw.ElapsedMilliseconds);
var ass = System.Reflection.Assembly.Load(deData); //动态库的名称
//gameObject.AddComponent(ass.GetType("TestUI"));
if (ass.GetType("MogoInitialize") != null)
{
gameObject.AddComponent(ass.GetType("MogoInitialize"));
}
else
{
Debug.LogError("---------------Reflection MogoInitialize Failed------------------------");
}
//gameObject.AddComponent(ass.GetType("TestUI"));
if (Application.platform == RuntimePlatform.Android && SystemSwitch.UsePlatformSDK)
{
IsRunOnAndroid = true;
if (ass.GetType("AndroidSdkManager") != null)
{
gameObject.AddComponent(ass.GetType("AndroidSdkManager"));
}
else
{
Debug.LogError("---------------Reflection AndroidSdkManager Failed------------------------");
}
//IsRunOnAndroid = false;
}
else
{
gameObject.AddComponent(ass.GetType("PlatformSdkManager"));
IsRunOnAndroid = false;
}
}
else
{
Debug.LogError("Missing MogoLib.");
}
}
static void Main(string[] args)
{
string plaintext = "abc"; string strmd5 = "900150983CD24FB0D6963F7D28E17F72"; string strdes = "Wr+MOY7jM8M=";
//MD5
var s1 = MD5Crypto.Encrypt(plaintext);
Console.WriteLine("MD5 加密：{0} {1} {2}", s1 == strmd5, strmd5, s1); Console.WriteLine();
//DES
var s2 = DESCrypto.Encrypt(plaintext);
Console.WriteLine("DES 加密：{0} {1} {2}", s2 == strdes, strdes, s2);
var s3 = DESCrypto.Decrypt(s2);
Console.WriteLine("DES 解密：{0} {1} {2}", s3 == plaintext, plaintext, s3); Console.WriteLine();
//RSA
string modulus = "nJDcBWNIV+DzZb8ZY5h4JJInVwVy5NvJ9hG0qH0TUM36j5DUFeUivBIdX+7fxwKIxPRkRyvwVjGjnMxna3Kq53Y5BLGpl84DvRqPGjxly2kAitbuHRIR5iiuza0rbA+ZPo/8kNrbRCYquaqnL1KIrDcIh7bZDWN6qY22+RVaVvs=";
string publicExponent = "AQAB";
string privateExponent = "ZZTTPCerc2D/ar9vYKA3KzssjRh68CPuSFo6hasJEj9iVy2XfVE6lR2Hs4uP41YwmOEcAtVuTO5OAljYrO0sFpdYNrEthZG5UBkC2wH+SsXOAaTDb2YRCEsdxFA8MRqRQLux/9/Fef/oIk+od1sjC3WzBwMqvVHBO232u9V9suE=";
//公钥加密
var s4 = RSACrypto.EncryptByPublicExponent(plaintext, modulus, publicExponent);
Console.WriteLine("RSA 公钥加密：" + s4);
string p = "y8v6G7Ap6jeTHILLAjQT0auvd9kRh91txQ4YkGf8ocijRbThKgAtWUrvNx27km6PEetWqw0VnA2YN53v6WCBMQ==";
string q = "xKuz+9vgOYZf9WvA0vU8byCmZd93mYrw+uAymUiT6jvG1MQ0vAQMW7wwoifJYIqWFNZo356R6g2OeOz8Edfv6w==";
string dp = "vqI3et721ljWC71tGMqOH3txz7IFbAn9PG9LGwmqj8uWrwXb+eXghb5KtkvhwcAZpLF3iNncdPViheP/H1degQ==";
string dq = "dZ+ruYo7hKwVYBbd8E2zo1MHsg4A3df3YFQObxa1QHYX6NCgKYLSUVswSws4qYC5WiUR/Aw+gJkzCKfT6mgXmQ==";
string inverseQ = "Fohpu2QfkHBCy11L0MV88pX3+EszJWWSgXqsGUzxTx0c2WK33o5wZkjq0AEKgk19aOOJc0RoKwcw6vtRRux/+Q==";
//私钥解密
var s5 = RSACrypto.DecryptByPrivateExponent(s4, modulus, privateExponent, publicExponent, p, q, dp, dq, inverseQ);
var s55 = RSACrypto.Decrypt(s4, modulus, privateExponent);
Console.WriteLine("RSA 私钥解密 ： {0} {1} {2}", s5 == plaintext, plaintext, s5);
Console.WriteLine("RSA 私钥解密2： {0} {1} {2}", s55 == plaintext, plaintext, s55); Console.WriteLine();
//私钥加密
var s6 = RSACrypto.Encrypt(plaintext, modulus, privateExponent);
Console.WriteLine("RSA 私钥加密：" + s6);
//公钥解密
var str6 = RSACrypto.Decrypt(s6, modulus, publicExponent);
Console.WriteLine("RSA 公钥解密2：{0} {1} {2}", str6 == plaintext, plaintext, str6);
Console.ReadKey();
}
public static string ReadDataInStreamingAssets(string filePath)
{
if (SystemConfig.Instance.IsEncryptConfigFile && filePath.EndsWith(EncryptXMLFileSuffix) == false)
{
filePath = filePath + EncryptXMLFileSuffix;
}
byte[] data = ReadDataInStreamingAssetsImp(filePath);
//解密
if (SystemConfig.Instance.IsEncryptConfigFile)
{
data = DESCrypto.Decrypt(data, MyFileUtil.EncryptKey);
}
return(System.Text.UTF8Encoding.UTF8.GetString(data));
}
void Start()
{
string content = "测试一下DES加密,hahhaha";
string key = "abcdefgh454365"; //key，iv 可以相同
string iv = "abcdefgh35345";
byte[] contentBytes = Encoding.UTF8.GetBytes(content);
byte[] encryBytes = DESCrypto.Encrypt(contentBytes, key, iv);
string encryStr = Encoding.UTF8.GetString(encryBytes);
Debug.Log(encryStr);
byte[] decryBytes = DESCrypto.Decrypt(encryBytes, key, iv);
string decryStr = Encoding.UTF8.GetString(decryBytes);
Debug.Log(decryStr);
}
public void Test()
{
using (var desCrypto = new DESCrypto())
{
desCrypto.Initialize(new Dictionary <string, object>
{
{ "Key", "qxMfZpmQ1Rk=" },
{ "IV", "XaX73vwx694=" }
});
var plainText = "SmartSql";
var cipherText = desCrypto.Encrypt(plainText);
var decryptText = desCrypto.Decrypt(cipherText);
Assert.Equal(plainText, decryptText);
}
}
static void DecryptFile()
{
foreach (UnityEngine.Object obj in Selection.objects)
{
string path = AssetDatabase.GetAssetPath(obj.GetInstanceID());
if (string.IsNullOrEmpty(path))
{
continue;
}
string filePath = Application.dataPath.Replace("Assets", "") + path;
DESCrypto.Decrypt(filePath, MyFileUtil.EncryptKey);
}
AssetDatabase.Refresh();
Debug.Log("文件解密结束");
}
private static string DecryptAndCheckSign(string txt)
{
int i = txt.IndexOf(';');
string num = txt.Substring(0, i);
int len;
if (!int.TryParse(num, out len) || len <= 0)
{
return(null);
}
string orgin = DESCrypto.Decrypt(txt.Substring(i + 1, len));
string sign = txt.Substring(i + 1 + len, txt.Length - i - 1 - len);
if (sign == Md5Encrypt(orgin + PRIVATE_KEY))
{
return(orgin);
}
return(null);
}
void LoadSolutionLib()
{
var index = 0;
var resName = FileName + index;
while (FileAccessManager.IsFileExist(resName))
{
Debug.Log("load: " + resName);
var enData = FileAccessManager.LoadBytes(resName);
if (enData != null)
{
var deData = DESCrypto.Decrypt(enData, Number);
deData = Utils.UnpackMemory(deData);
System.Reflection.Assembly.Load(deData);
}
index++;
resName = FileName + index;
}
}
public static string ReadDataInCacheDir(string filePath)
{
string newPath = OuterDir + "/" + filePath;
if (SystemConfig.Instance.IsEncryptConfigFile && newPath.EndsWith(EncryptXMLFileSuffix) == false)
{
newPath = newPath + EncryptXMLFileSuffix;
}
if (File.Exists(newPath))
{
byte[] data = File.ReadAllBytes(newPath);
//解密
if (SystemConfig.Instance.IsEncryptConfigFile)
{
data = DESCrypto.Decrypt(data, MyFileUtil.EncryptKey);
}
return(System.Text.UTF8Encoding.UTF8.GetString(data));
}
return(null);
}
public static byte[] DecryptData(byte[] data)
{
data = DESCrypto.Decrypt(data, EncryptKey);
return(data);
}