Java MD5 Byte Array md5Digest(byte[] bytes)

Description

Calculate the MD5 digest of the given bytes.

License

Apache License

Parameter

Parameter	Description
bytes	the bytes to calculate the digest over

Return

the digest

Declaration

public static byte[] md5Digest(byte[] bytes) 

Method Source Code

//package com.java2s;
/*//from  ww w . jav a2  s. com
 * Copyright 2002-2012 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 {
    private static final String MD5_ALGORITHM_NAME = "MD5";

    /**
     * Calculate the MD5 digest of the given bytes.
     * @param bytes the bytes to calculate the digest over
     * @return the digest
     */
    public static byte[] md5Digest(byte[] bytes) {
        return digest(MD5_ALGORITHM_NAME, bytes);
    }

    private static byte[] digest(String algorithm, byte[] bytes) {
        return getDigest(algorithm).digest(bytes);
    }

    /**
     * Creates a new {@link MessageDigest} with the given algorithm. Necessary
     * because {@code MessageDigest} is not thread-safe.
     */
    private static MessageDigest getDigest(String algorithm) {
        try {
            return MessageDigest.getInstance(algorithm);
        } catch (NoSuchAlgorithmException ex) {
            throw new IllegalStateException(
                    "Could not find MessageDigest with algorithm \""
                            + algorithm + "\"", ex);
        }
    }
}

Related

1. md5(final byte[] data)
2. md5Byte(String encryptStr)
3. MD5Bytes(byte[] src)
4. md5Bytes(String message)
5. md5Bytes(String s)
6. md5Hex(byte data[])
7. md5Hex(byte[] data)
8. md5key(byte[] key)
9. md5P(final ByteBuffer bb)