[Java] Encrypter MD5

Métodos para encriptar cadenas en MD5 , aceptando caracteres especiales. Utiliza el paquete security de Java

import java.io.;
import java.security.
;
//import java.util.Scanner;

public class Encrypter
{
private static String convertToHex(byte[] data) {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < data.length; i++) {
int halfbyte = (data[i] >>> 4) & 0x0F;
int twohalfs = 0;
do {
if ((0 <= halfbyte) && (halfbyte <= 9))
buf.append((char) (‘0’ + halfbyte));
else
buf.append((char) (‘a’ + (halfbyte – 10)));
halfbyte = data[i] & 0x0F;
} while(two
halfs++ < 1);
}
return buf.toString().toUpperCase();
}

/**
*
* @param text
* @return
* @throws NoSuchAlgorithmException
* @throws UnsupportedEncodingException
*/
public static String convertToMD5(String text)
throws NoSuchAlgorithmException, UnsupportedEncodingException  {
MessageDigest md;
md = MessageDigest.getInstance(“MD5”);
byte[] md5hash = new byte[32];
md.update(text.toUpperCase().getBytes(“iso-8859-1”), 0, text.length());
md5hash = md.digest();
return convertToHex(md5hash).toUpperCase();
}

}