WmtGUBqA

1package com.noisyz.bittrexclient;
2
3import android.util.Base64;
4import android.util.Log;
5
6import java.nio.charset.StandardCharsets;
7import java.security.Key;
8
9import javax.crypto.Cipher;
10import javax.crypto.SecretKeyFactory;
11import javax.crypto.spec.IvParameterSpec;
12import javax.crypto.spec.PBEKeySpec;
13
14public class Encryptor {
15
16    private static final String PASSWORD_HASH = "9h@LLaVR", SALT_KEY = "58Y#@Afc", VI_KEY = "2rsAG$4!74z@P$dH";
17
18    public static String encrypt(String value) {
19        try {
20            SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
21            PBEKeySpec pbeKeySpec = new PBEKeySpec(PASSWORD_HASH.toCharArray(), SALT_KEY.getBytes("US-ASCII"), 1000, 256);
22            Key secretKey = factory.generateSecret(pbeKeySpec);
23
24
25            IvParameterSpec ivSpec = new IvParameterSpec(VI_KEY.getBytes("US-ASCII"));
26
27            Cipher cipher = Cipher.getInstance("AES/CBC/ZeroBytePadding");
28            cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivSpec);
29            byte[] encrypted = cipher.doFinal(value.getBytes());
30            Log.d("myLogs", "encrypted string: "
31                    + Base64.encodeToString(encrypted, 0));
32            return Base64.encodeToString(encrypted, 0);
33        } catch (Exception ex) {
34            ex.printStackTrace();
35        }
36
37        return null;
38    }
39
40    public static String decrypt(String value) {
41        try {
42            byte[] encrypted = Base64.decode(value, 0);
43            SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
44            PBEKeySpec pbeKeySpec = new PBEKeySpec(PASSWORD_HASH.toCharArray(), SALT_KEY.getBytes("US-ASCII"), 1000, 256);
45            Key secretKey = factory.generateSecret(pbeKeySpec);
46
47            IvParameterSpec ivSpec = new IvParameterSpec(VI_KEY.getBytes("US-ASCII"));
48
49            Cipher cipher = Cipher.getInstance("AES/CBC/ZeroBytePadding");
50            cipher.init(Cipher.DECRYPT_MODE, secretKey, ivSpec);
51
52            byte[] decrypted = cipher.doFinal(encrypted);
53            Log.d("myLogs", "decrypted string: "
54                    + new String(decrypted, StandardCharsets.UTF_8) + " " + secretKey.getEncoded().toString());
55            return new String(decrypted, StandardCharsets.UTF_8);
56        } catch (Exception ex) {
57            ex.printStackTrace();
58        }
59
60        return null;
61    }
62}