From 12cb80a8360a2430ee46979a0e86985fa0f3715b Mon Sep 17 00:00:00 2001
From: markt <markt@13f79535-47bb-0310-9956-ffa450edef68>
Date: Mon, 10 Oct 2011 11:21:52 +0000
Subject: [PATCH] After some testing with DIGEST auth, this approach is slower

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1180877 13f79535-47bb-0310-9956-ffa450edef68
---
 java/org/apache/catalina/util/MsgDigest.java | 77 ----------------------------
 1 file changed, 77 deletions(-)
 delete mode 100644 java/org/apache/catalina/util/MsgDigest.java

diff --git a/java/org/apache/catalina/util/MsgDigest.java b/java/org/apache/catalina/util/MsgDigest.java
deleted file mode 100644
index 2cb48972d..000000000
--- a/java/org/apache/catalina/util/MsgDigest.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.catalina.util;
-
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.util.Queue;
-import java.util.concurrent.ConcurrentLinkedQueue;
-
-
-/**
- * Helper class for generating message digests in multi-threaded environments.
- */
-public class MsgDigest {
-    
-    private static Helper md5 = new Helper("MD5");
-    private static Helper sha1 = new Helper("SHA1");
-
-    public static byte[] getMD5(byte[] input) {
-        return md5.digest(input);
-    }
-
-    public static byte[] getSHA1(byte[] input) {
-        return sha1.digest(input);
-    }
-    
-    private static class Helper {
-        
-        private final String digestName;
-        private final Queue<MessageDigest> digesters =
-                new ConcurrentLinkedQueue<MessageDigest>();
-        
-        public Helper(String digestName) {
-            this.digestName = digestName;
-        }
-        
-        public byte[] digest(byte[] input) {
-            
-            // Get a digest from the queue
-            MessageDigest digest = digesters.poll();
-            if (digest == null) {
-                // Queue empty, create a new one
-                try {
-                    digest = MessageDigest.getInstance(digestName);
-                } catch (NoSuchAlgorithmException e) {
-                    throw new IllegalArgumentException(e);
-                }
-            }
-            
-            // Reset the digest before we use it
-            digest.reset();
-            
-            // Create the digest for the provided input
-            digest.update(input);
-            byte[] result = digest.digest();
-            
-            // Return the digester to the queue
-            digesters.add(digest);
-            
-            return result;
-        }
-    }
-}
-- 
2.11.0