egov | eGov España - API abierto de acceso a datos púbicos

static MediaType f865a = MediaType.parse("application/json");

    private static String f866b = "IV_VALUE_16_BYTE";
    private static String c = "Egov";
    private static String d = "SALT_VALUE";
    private static String e = "PBKDF2WithHmacSHA1";
    private static String f = "eMethod219";
    private static String g = "AES";
private static String m = "AES/CBC/PKCS5Padding";

    private static String h = "eMethod486";
    private static String i = "eMethod269";
    private static String j = "eMethod580";

private String a(byte[] bArr) {
        return new String(bArr, "UTF-8");
    }

    private Key a() {
        return new SecretKeySpec(SecretKeyFactory.getInstance(e).generateSecret(new PBEKeySpec(c.toCharArray(), c(d), 65536, 128)).getEncoded(), g);
    }

    private Cipher a(int i2) {
        Cipher instance = Cipher.getInstance(m);
        instance.init(i2, a(), new IvParameterSpec(c(f866b)));
        return instance;
    }

    private byte[] c(String str) {
        return str.getBytes("UTF-8");
    }

    public String a(String str) {
        Log.d("decode", str);
        return new String(a(2).doFinal(a.b(c(str))));
    }

    public String a(String str, String str2, String str3) {
        String str4;
        IOException e2;
        OkHttpClient build = new OkHttpClient.Builder().connectTimeout(120, TimeUnit.SECONDS).writeTimeout(120, TimeUnit.SECONDS).readTimeout(120, TimeUnit.SECONDS).build();
        String str5 = k + "/" + h;
        String str6 = "{\"EPara1\":\"" + b(str) + "\", \"EPara2\" :\"" + b(str2) + "\",\"EPara3\" :\"" + b(str3) + "\"}";
        String str7 = "test";
        try {
            str4 = build.newCall(new Request.Builder().url(str5).post(RequestBody.create(f865a, "\"" + b(str6) + "\"")).build()).execute().body().string();
            try {
                Log.d("Encrypt", str4);
            } catch (IOException e3) {
                str7 = str4;
                e2 = e3;
            }
        } catch (IOException e4) {
            e2 = e4;
            e2.printStackTrace();
            str4 = str7;
            str4 = a(str4);
            Log.d("Decrypt", str4);
            return str4;
        }
        try {
            str4 = a(str4);
        } catch (Exception e5) {
            e5.printStackTrace();
        }
        Log.d("Decrypt", str4);
        return str4;
    }