ENYH7B6c

1package com.noisyz.bittrexclient;
2
3import android.util.Base64;
4
5import java.nio.charset.StandardCharsets;
6import java.security.Key;
7
8import javax.crypto.Cipher;
9import javax.crypto.SecretKeyFactory;
10import javax.crypto.spec.IvParameterSpec;
11import javax.crypto.spec.PBEKeySpec;
12
13public class Encryptor {
14
15    private static final String PASSWORD_HASH = "9h@LLaVR", SALT_KEY = "58Y#@Afc", VI_KEY = "2rsAG$4!74z@P$dH";
16
17    public static String encrypt(String value) {
18        try {
19            SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
20            PBEKeySpec pbeKeySpec = new PBEKeySpec(PASSWORD_HASH.toCharArray(), SALT_KEY.getBytes(StandardCharsets.US_ASCII), 1000, 256);
21            Key secretKey = factory.generateSecret(pbeKeySpec);
22
23
24            IvParameterSpec ivSpec = new IvParameterSpec(VI_KEY.getBytes(StandardCharsets.US_ASCII));
25
26            Cipher cipher = Cipher.getInstance("AES/CBC/ZeroBytePadding");
27            cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivSpec);
28            byte[] encrypted = cipher.doFinal(value.getBytes());
29            Log.d("myLogs", "encrypted string: "
30                    + Base64.encodeToString(encrypted, 0));
31            return Base64.encodeToString(encrypted, 0);
32        } catch (Exception ex) {
33            ex.printStackTrace();
34        }
35
36        return null;
37    }
38
39    public static String decrypt(String value) {
40        try {
41            byte[] encrypted = Base64.decode(value, 0);
42            SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
43            PBEKeySpec pbeKeySpec = new PBEKeySpec(PASSWORD_HASH.toCharArray(), SALT_KEY.getBytes(StandardCharsets.US_ASCII), 1000, 256);
44            Key secretKey = factory.generateSecret(pbeKeySpec);
45
46            IvParameterSpec ivSpec = new IvParameterSpec(VI_KEY.getBytes(StandardCharsets.US_ASCII));
47
48            Cipher cipher = Cipher.getInstance("AES/CBC/ZeroBytePadding");
49            cipher.init(Cipher.DECRYPT_MODE, secretKey, ivSpec);
50
51            byte[] decrypted = cipher.doFinal(encrypted);
52            return new String(decrypted, StandardCharsets.UTF_8);
53        } catch (Exception ex) {
54            ex.printStackTrace();
55        }
56
57        return null;
58    }
59}