diff -r 7d6f2526244a -r 197a85a35cba src/com/isode/stroke/stringcodecs/SHA1.java
--- a/src/com/isode/stroke/stringcodecs/SHA1.java	Sun Mar 15 17:28:04 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,27 +0,0 @@
-/*
- * Copyright (c) 2010, Isode Limited, London, England.
- * All rights reserved.
- */
-/*
- * Copyright (c) 2010, Remko Tronçon.
- * All rights reserved.
- */
-package com.isode.stroke.stringcodecs;
-
-import com.isode.stroke.base.ByteArray;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-
-public class SHA1 {
-
-    public static ByteArray getHash(ByteArray data) {
-        MessageDigest md;
-        try {
-            md = MessageDigest.getInstance("SHA-1");
-        } catch (NoSuchAlgorithmException ex) {
-            throw new IllegalStateException("JRE doesn't have an SHA hash function", ex);
-        }
-        md.update(data.getData());
-        return new ByteArray(md.digest());
-    }
-}