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Marvel API is an OpenSource client for Marvel API

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/**
 * Copyright (C) 2014 Arnaud Piroelle ([email protected])
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.arnaudpiroelle.marvel.api.util;

import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * Created by Arnaud Piroelle on 04/03/14.
 */
public class MD5Util {
    public static String hash(String publicApiKey, String privateApiKey, String timestamp) {
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            String toHash = timestamp + privateApiKey + publicApiKey;
            return new BigInteger(1, md.digest(toHash.getBytes())).toString(16);
        } catch (NoSuchAlgorithmException e) {
        }

        return null;
    }
}