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/*
 * Copyright 2019 Kut3Net.
 *
 * 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 net.kut3.cryto;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 *
 */
public final class MD {

    private final String algorithm;

    /**
     *
     * @param algorithm A message digest algorithm
     */
    public MD(String algorithm) {
        this.algorithm = algorithm;
    }

    /**
     * 
     * @param data The data to be hashed
     * @return The hashed data
     */
    public byte[] hash(byte[] data) {
        try {
            return MessageDigest.getInstance(this.algorithm)
                    .digest(data);
        } catch (NoSuchAlgorithmException ex) {
            return null;
        }
    }
}