Java Hash Calculate getHash(byte[] bytes)

Description

Calculate the MD5 hash of the given bytes.

License

Apache License

Parameter

Parameter	Description
bytes	the bytes to calculate the hash over

Return

the hash

Declaration

public static byte[] getHash(byte[] bytes) 

Method Source Code

//package com.java2s;
/*//from   www  . j a  v a  2s .  c o m
 * Copyright 2002-2009 the original author or authors.
 *
 * 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.
 */

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

public class Main {
    /**
     * Calculate the MD5 hash of the given bytes.
     * @param bytes the bytes to calculate the hash over
     * @return the hash
     */
    public static byte[] getHash(byte[] bytes) {
        try {
            // MessageDigest is not thread-safe
            MessageDigest messageDigest = MessageDigest.getInstance("MD5");
            return messageDigest.digest(bytes);
        } catch (NoSuchAlgorithmException ex) {
            throw new IllegalStateException("Could not find MD5 MessageDigest instance", ex);
        }
    }
}

Related

1. calculateHash(int x, int y)
2. calculateHash(Long... ids)
3. calculateHash(String str)
4. calculateHashCode(byte a[])
5. getHash(byte[] bytes)
6. getHash(byte[] data)
7. getHash(byte[] data)
8. getHash(byte[] data, int offset, int length)