--- a/jdk/src/share/classes/sun/jkernel/ByteArrayToFromHexDigits.java	Wed Jul 05 17:34:21 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,138 +0,0 @@
-/*
- * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package sun.jkernel;
-
-/**
- * TODO: The JRE and deploy build code (SplitJRE) can be made a bit smarter
- * then cryto hashcode byte arrays can be used directly, eliminating the need
- * for this class altogether. So just leave this alone until it can be removed.
- * TODO: Change "Digits" to "String" for uniformity and more intuitive names.
- * A lightweight class to provide convert between hex digits and
- * <code>byte[]</code>.
- *<p>
- * TODO: Try to get this built without the -source 1.3 -target -1.3 options,
- * which prevent use of java.text.Format, assuming this wouldn't bloat the
- * JK rt.jar. Also, there still might be equivalent code hiding in the JDK
- * already, but preliminary searches havn't found it.
- */
-
-public final class ByteArrayToFromHexDigits {
-
-    private static final char [] chars = new char[]
-        {'0','1','2','3','4','5','6','7','8','9', 'A','B','C','D','E','F'};
-
-    private static final boolean debug = false;
-
-    /**
-     * Converts the <code>byte[] b</code> into a <code>String</code> of
-     * hex digits representing the integer values of all the bytes.
-     *
-     * @param b byte array to be converted
-     * @return String representing <code>b</code> in hexadecimal
-     * @throws IllegalArgumentException if <code>b</code> is null or zero length
-     */
-    public static String bytesToHexString(byte[] b) {
-        if (debug ) {
-            System.out.print("I: ");
-            for(int i=0;i<b.length;i++) {
-                System.out.format("%02X",b[i]);
-            }
-            System.out.println();
-        }
-        if ((b == null) || (b.length == 0)) {
-            throw new IllegalArgumentException("argument null or zero length");
-        }
-        StringBuffer buff = new StringBuffer(b.length * 2);
-        for (int i = 0; i < b.length; i++ ) {
-            buff.insert(i*2,chars[(b[i] >> 4) & 0xf]);
-            buff.insert(i*2+1,chars[b[i] & 0xf]);
-        }
-        if (debug ) {
-            System.out.println("O: " + buff.toString());
-        }
-        return buff.toString();
-    }
-
-    // Convert one hex character to a 4 bit byte value
-
-    private static byte hexCharToByte(char c) throws IllegalArgumentException {
-        if ((c < '0') ||
-            ( ((c < 'A') && (c > 'F')) && ((c < 'a') && (c > 'f'))) ) {
-
-            throw new IllegalArgumentException("not a hex digit");
-        }
-
-        if (c > '9') {
-            if (c > 'F') {
-                return (byte) ((c - 'a' + 10) & 0xf);
-            } else {
-                return (byte) ((c - 'A' + 10) & 0xf);
-            }
-        } else {
-            return (byte) ((c - '0') & 0xf);
-        }
-
-    }
-
-    /**
-     * Converts the <code>String d</code> assumed to contain a sequence
-     * of hexadecimal digit characters into a <code>byte[]</code>.
-     *
-     * @param d String to be converted
-     * @return  byte array representing the hex string
-     * @throws IllegalArgumentException if <code>d</code> is odd length,
-     *     contains a character outside the ranges of 0-9, a-f, and A-F,
-     *     or is zero length or null
-     */
-
-    public static byte[] hexStringToBytes(String d) throws IllegalArgumentException {
-        if (d == null) {
-            throw new IllegalArgumentException(
-                "parameter cannot be null");
-        }
-
-        if (d.length() == 0) {
-            throw new IllegalArgumentException(
-                "parameter cannot be zero length");
-        }
-
-        if ((d.length() & 1) != 0) {
-            throw new IllegalArgumentException(
-                "odd length string");
-        }
-
-        byte[] b = new byte[d.length() / 2];
-
-        // TODO Might be code in the JK initial bundle to do this better (i.e.
-        // method that tests for a hex char?)
-
-        for (int i=0;i<d.length();i+=2) {
-            b[i/2] =  (byte) (( (byte) (hexCharToByte(d.charAt(i))) << 4) +
-                (byte) hexCharToByte(d.charAt(i+1)));
-        }
-        return b;
-    }
-}