Jaymo

package com.ujuzicode.repocode;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;

import com.android.volley.toolbox.HurlStack;
import com.squareup.okhttp.OkHttpClient;
 
/**

Jaymo

StringRequest loginReq = new StringRequest(Method.GET,
				  URL, new Response.Listener<String>() {
	 
	                    @Override
	                    public void onResponse(String response) {
	                    	respnse=response;
	 
	                    }
	                }, new Response.ErrorListener() {
	 

Jaymo

https://play.google.com/store/apps/details?id=com.myitprovider.pesabox

Jaymo

public static final int PBE_ITERATION_COUNT = 10000; //Am not sure on this size and low end devices. I should test more to prevent lag
private static final String PBE_ALGORITHM = "PBKDF2WithHmacSHA1";
public static final String PROVIDER = "BC";
private static final String SECRET_KEY_ALGORITHM = "AES/GCM/NoPadding;

public static SecretKey getSecretKey(String password, String salt) throws CryptoException {
            try {
                    PBEKeySpec pbeKeySpec = new PBEKeySpec(password.toCharArray(), Util.HexEncoder.toByte(salt), PBE_ITERATION_COUNT, 256);
                    SecretKeyFactory factory = SecretKeyFactory.getInstance(PBE_ALGORITHM, PROVIDER);
                    SecretKey tmp = factory.generateSecret(pbeKeySpec);

Jaymo

public static final int SALT_LENGTH = 256;
private static final String RANDOM_ALGORITHM = "SHA1PRNG";

public String generateSalt() throws CryptoException {
            try {
                    SecureRandom random = SecureRandom.getInstance(RANDOM_ALGORITHM);
                    byte[] salt = new byte[SALT_LENGTH];
                    random.nextBytes(salt);
                    String saltHex = Util.HexEncoder.toHex(salt);
                    return saltHex;

Jaymo

private static final String RANDOM_ALGORITHM = "SHA1PRNG";
public static final int IV_LENGTH = 16;

private byte[] generateIv() throws NoSuchAlgorithmException, NoSuchProviderException {
            SecureRandom random = SecureRandom.getInstance(RANDOM_ALGORITHM);
            byte[] iv = new byte[IV_LENGTH];
            random.nextBytes(iv);
            return iv;
    }

Jaymo

private final static int DEFAULT_READ_WRITE_BLOCK_BUFFER_SIZE = 1024;

public static void applyCipher(String inFile, String outFile, Cipher cipher) throws Exception {

         CipherInputStream in = new CipherInputStream(new FileInputStream(inFile), cipher);
         BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(outFile));
	    
	    byte[] buffer = new byte[DEFAULT_READ_WRITE_BLOCK_BUFFER_SIZE];
	    int count = 0;
	    while ((count = in.read(buffer)) >= 0) {

Jaymo

public static Cipher createCipher(int mode,SecretKey key,String iv) throws Exception {

Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding", "BC");

         cipher.init(
                 Cipher.DECRYPT_MODE,
                 new SecretKeySpec(key, "AES"), 
                 new IvParameterSpec(Util.HexEncoder.toByte(iv))
         );
         

Jaymo

import android.content.Context;
import android.graphics.Typeface;
import android.support.v4.util.SimpleArrayMap;

public class TypefaceHelper {

    private static final SimpleArrayMap<String, Typeface> cache = new SimpleArrayMap<>();

    public static Typeface get(Context c, String name) {
        synchronized (cache) {

Jaymo

package org.timby.crypto;

import org.timby.util.TweetNaclFast;

import java.security.GeneralSecurityException;
import java.util.Arrays;

import ove.crypto.digest.Blake2b;

/**