Java MD5 String md5(String string)

Description

Hashes the given string using the MD5 algorithm.

License

Open Source License

Declaration

public static byte[] md5(String string) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.UnsupportedEncodingException;

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

public class Main {
    /** Hashes the given {@code string} using the MD5 algorithm. */
    public static byte[] md5(String string) {
        return hash("MD5", string);
    }/*from   w  w  w  .  j  a  v  a2s.c o m*/

    /** Hashes the given {@code string} using the given {@code algorithm}. */
    public static byte[] hash(String algorithm, String string) {
        MessageDigest digest;
        try {
            digest = MessageDigest.getInstance(algorithm);
        } catch (NoSuchAlgorithmException ex) {
            throw new IllegalArgumentException(String.format("[%s] isn't a valid hash algorithm!", algorithm), ex);
        }

        byte[] bytes;
        try {
            bytes = string.getBytes("UTF-8");
        } catch (UnsupportedEncodingException ex) {
            throw new IllegalStateException(ex);
        }

        return digest.digest(bytes);
    }
}

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