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V2rayNG/app/src/androidTest/java/com/v2ray/ang/ApplicationTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package SpeedUpVPN | ||
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| import android.os.Build | ||
| import android.support.annotation.RequiresApi | ||
| import android.util.Log | ||
| import java.io.File | ||
| import javax.crypto.Cipher | ||
| import javax.crypto.spec.IvParameterSpec | ||
| import javax.crypto.spec.SecretKeySpec | ||
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| object VpnEncrypt{ | ||
| private const val theKey="your key" | ||
| const val vpnRemark="v2ray.vpn" | ||
| val vpnGroupName="SpeedUp.VPN" | ||
| @JvmField var builtinServersUpdated=false | ||
| @JvmField var builtinSubID="999" | ||
| @JvmStatic fun aesEncrypt(v:String, secretKey:String=theKey) = AES256.encrypt(v, secretKey) | ||
| @JvmStatic fun aesDecrypt(v:String, secretKey:String=theKey) = AES256.decrypt(v, secretKey) | ||
| @JvmStatic fun readFileAsTextUsingInputStream(fileName: String) = File(fileName).inputStream().readBytes().toString(Charsets.UTF_8) | ||
| } | ||
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| private object AES256{ | ||
| private fun cipher(opmode:Int, secretKey:String):Cipher{ | ||
| if(secretKey.length != 32) throw RuntimeException("SecretKey length is not 32 chars") | ||
| val c = Cipher.getInstance("AES/CBC/PKCS5Padding") | ||
| val sk = SecretKeySpec(secretKey.toByteArray(Charsets.UTF_8), "AES") | ||
| val iv = IvParameterSpec(secretKey.substring(0, 16).toByteArray(Charsets.UTF_8)) | ||
| c.init(opmode, sk, iv) | ||
| return c | ||
| } | ||
| fun encrypt(str:String, secretKey:String):String{ | ||
| val encrypted = cipher(Cipher.ENCRYPT_MODE, secretKey).doFinal(str.toByteArray(Charsets.UTF_8)) | ||
| var encstr: String | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O || isWindows()) | ||
| encstr = java.util.Base64.getEncoder().encodeToString(encrypted) | ||
| else | ||
| encstr = android.util.Base64.encodeToString(encrypted, android.util.Base64.DEFAULT) | ||
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| return encstr | ||
| } | ||
| fun decrypt(str:String, secretKey:String):String{ | ||
| try { | ||
| val byteStr: ByteArray; | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O || isWindows()) | ||
| byteStr = java.util.Base64.getDecoder().decode(str.toByteArray(Charsets.UTF_8)) | ||
| else | ||
| byteStr = android.util.Base64.decode(str.toByteArray(Charsets.UTF_8), android.util.Base64.DEFAULT) | ||
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| return String(cipher(Cipher.DECRYPT_MODE, secretKey).doFinal(byteStr)) | ||
| } catch (e: Exception) { | ||
| Log.e("VpnEncrypt","decrypt failed",e) | ||
| return "" | ||
| } | ||
| } | ||
| fun isWindows(): Boolean { | ||
| var os= System.getProperty("os.name") | ||
| if(os.isNullOrEmpty()) | ||
| return false | ||
| else | ||
| return os.contains("Windows") | ||
| } | ||
| } | ||
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