1 /*

     2  * Copyright (c) 2010, Isode Limited, London, England.

     3  * All rights reserved.

     4  */

     5 /*

     6  * Copyright (c) 2010, Remko Tronçon.

     7  * All rights reserved.

     8  */

     9 package com.isode.stroke.stringcodecs;

    10 

    11 import com.isode.stroke.base.ByteArray;

    12 import java.security.MessageDigest;

    13 import java.security.NoSuchAlgorithmException;

    14 

    15 public class SHA1 {

    16 

    17     public static ByteArray getHash(ByteArray data) {

    18         MessageDigest md;

    19         try {

    20             md = MessageDigest.getInstance("SHA-1");

    21         } catch (NoSuchAlgorithmException ex) {

    22             throw new IllegalStateException("JRE doesn't have an SHA hash function", ex);

    23         }

    24         md.update(data.getData());

    25         return new ByteArray(md.digest());

    26     }

    27 }