package com.gpl.rpg.atcontentstudio.utils;

import java.util.LinkedHashMap;
import java.util.Map;

import com.zackehh.siphash.SipHash;
import com.zackehh.siphash.SipHashResult;

public class HashUtils {

	private static final Map<String, SipHash> HASHER_CACHE =  new LinkedHashMap<String, SipHash>();
	
	static String siphash(String key, byte[] data) {
		SipHash hasher = HASHER_CACHE.get(key); 
		if (hasher == null) {
			hasher= new SipHash("Weblate Sip Hash".getBytes());
			HASHER_CACHE.put(key, hasher);
		}
		
		if (data != null) {
			SipHashResult result = hasher.hash(data);
			return result.getHex();
		}
		
		
		return null;
		
	}
	
}