package com.juick.components.s2s.util; import org.apache.commons.codec.digest.DigestUtils; import org.apache.commons.codec.digest.HmacUtils; /** * Created by vitalyster on 05.12.2016. */ public class DialbackUtils { private DialbackUtils() { throw new IllegalStateException(); } public static String generateDialbackKey(String secret, String to, String from, String id) { return HmacUtils.hmacSha256Hex(DigestUtils.sha256(secret), (to + " " + from + " " + id).getBytes()); } }