MD5HashImpl.java

package org.eclipse.ecf.protocol.msn.internal.encode;

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

public class MD5HashImpl {
	public static String getMD5(String input) {
		try {
			MessageDigest md = MessageDigest.getInstance("MD5"); //$NON-NLS-1$
			byte[] messageDigest = md.digest(input.getBytes());
			BigInteger number = new BigInteger(1, messageDigest);
			String hashtext = number.toString(16);
			// Now we need to zero pad it if you actually want the full 32 chars.
			while (hashtext.length() < 32) {
				hashtext = "0" + hashtext; //$NON-NLS-1$
			}
			return hashtext;
		} catch (NoSuchAlgorithmException e) {
			throw new RuntimeException(e);
		}
	}

	/**
	 * @throws NoSuchAlgorithmException  
	 */
	public static void main(String[] args) throws NoSuchAlgorithmException {
		System.out.println(getMD5("22210219642164014968YMM8C_H7KCQ2S_KL")); //$NON-NLS-1$
	}
}