MessageDigest algorithm response times

MainDigester

import java.io.UnsupportedEncodingException;
import java.math.BigInteger;
import java.nio.charset.Charset;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MainDigester {

	public enum Digester {
		SHA512("SHA-512"),
		SHA384("SHA-384"),
		SHA256("SHA-256"),
		SHA1("SHA-1"),
		MD5("MD5"),
		SHA512_UTF8("SHA-512", "UTF-8"),
		SHA384_UTF8("SHA-384", "UTF-8"),
		SHA256_UTF8("SHA-256", "UTF-8"),
		SHA1_UTF8("SHA-1", "UTF-8"),
		MD5_UTF8("MD5", "UTF-8"),
		SHA512_UTF16("SHA-512", "UTF-16"),
		SHA384_UTF16("SHA-384", "UTF-16"),
		SHA256_UTF16("SHA-256", "UTF-16"),
		SHA1_UTF16("SHA-1", "UTF-16"),
		MD5_UTF16("MD5", "UTF-16");

		private final String secret = "ab25d473857e1129324ad31ede3cf466f33d2fdad9411d63ce1eeb11097ee778a";

		private MessageDigest md;
		private final String algorithm;
		private final String encoding;

		Digester(String algorithm) {
			this(algorithm, Charset.defaultCharset().toString());
		}

		Digester(String algorithm, String encoding) {
			this.algorithm = algorithm;
			this.encoding = encoding;
		}

		public String algorithm() {
			return algorithm;
		}

		public String encoding() {
			return encoding;
		}

		public byte[] digest(String text) {
			try {
				String textToDigest = text + secret;
				md = MessageDigest.getInstance(algorithm);
				md.update(textToDigest.getBytes(encoding));
			} catch (UnsupportedEncodingException e) {
				// This can not occur
			} catch (NoSuchAlgorithmException e) {
				// This can not occur
			}
			return md.digest();
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Long id = new Long(1234567890);
		String socialNetworkKey = "016d473857f1029884ec80ede8ae486f33d2fdad9411d63cd2aab11097ee997c";

		long startTime;
		long totalTime;
		byte[] digest;
		String text = id.toString() + socialNetworkKey;
		String result = "Algorithm: %s, Encoding: %s, Nanos: %s, Millis: %s";
		System.out.println("Default charset: " + Charset.defaultCharset());
		for (Digester d : Digester.values()) {
			startTime = System.nanoTime();
			digest = d.digest(text);
			totalTime = System.nanoTime() - startTime;
			System.out.println(String.format(result, d.algorithm, d.encoding, totalTime, totalTime / 1000000));
			System.out.println(toHex(digest));
		}
	}

	public static String toHex(byte[] bytes) {
		BigInteger bi = new BigInteger(1, bytes);
		return String.format("%0" + (bytes.length << 1) + "X", bi);
	}
}