--- a/jdk/src/share/classes/java/security/MessageDigest.java	Mon Oct 18 09:05:49 2010 -0400
+++ b/jdk/src/share/classes/java/security/MessageDigest.java	Mon Jan 24 14:56:14 2011 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2010, 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
@@ -37,7 +37,7 @@
 
 /**
  * This MessageDigest class provides applications the functionality of a
- * message digest algorithm, such as MD5 or SHA.
+ * message digest algorithm, such as SHA-1 or SHA-256.
  * Message digests are secure one-way hash functions that take arbitrary-sized
  * data and output a fixed-length hash value.
  *
@@ -81,9 +81,22 @@
  * the superclass are intended for cryptographic service providers who wish to
  * supply their own implementations of message digest algorithms.
  *
+ * <p> Every implementation of the Java platform is required to support
+ * the following standard <code>MessageDigest</code> algorithms:
+ * <ul>
+ * <li><tt>MD5</tt></li>
+ * <li><tt>SHA-1</tt></li>
+ * <li><tt>SHA-256</tt></li>
+ * </ul>
+ * These algorithms are described in the <a href=
+ * "{@docRoot}/../technotes/guides/security/StandardNames.html#MessageDigest">
+ * MessageDigest section</a> of the
+ * Java Cryptography Architecture Standard Algorithm Name Documentation.
+ * Consult the release documentation for your implementation to see if any
+ * other algorithms are supported.
+ *
  * @author Benjamin Renaud
  *
- *
  * @see DigestInputStream
  * @see DigestOutputStream
  */
@@ -104,9 +117,9 @@
      * Creates a message digest with the specified algorithm name.
      *
      * @param algorithm the standard name of the digest algorithm.
-     * See Appendix A in the <a href=
-     * "../../../technotes/guides/security/crypto/CryptoSpec.html#AppA">
-     * Java Cryptography Architecture API Specification &amp; Reference </a>
+     * See the MessageDigest section in the <a href=
+     * "{@docRoot}/../technotes/guides/security/StandardNames.html#MessageDigest">
+     * Java Cryptography Architecture Standard Algorithm Name Documentation</a>
      * for information about standard algorithm names.
      */
     protected MessageDigest(String algorithm) {
@@ -127,9 +140,9 @@
      * the {@link Security#getProviders() Security.getProviders()} method.
      *
      * @param algorithm the name of the algorithm requested.
-     * See Appendix A in the <a href=
-     * "../../../technotes/guides/security/crypto/CryptoSpec.html#AppA">
-     * Java Cryptography Architecture API Specification &amp; Reference </a>
+     * See the MessageDigest section in the <a href=
+     * "{@docRoot}/../technotes/guides/security/StandardNames.html#MessageDigest">
+     * Java Cryptography Architecture Standard Algorithm Name Documentation</a>
      * for information about standard algorithm names.
      *
      * @return a Message Digest object that implements the specified algorithm.
@@ -173,9 +186,9 @@
      * the {@link Security#getProviders() Security.getProviders()} method.
      *
      * @param algorithm the name of the algorithm requested.
-     * See Appendix A in the <a href=
-     * "../../../technotes/guides/security/crypto/CryptoSpec.html#AppA">
-     * Java Cryptography Architecture API Specification &amp; Reference </a>
+     * See the MessageDigest section in the <a href=
+     * "{@docRoot}/../technotes/guides/security/StandardNames.html#MessageDigest">
+     * Java Cryptography Architecture Standard Algorithm Name Documentation</a>
      * for information about standard algorithm names.
      *
      * @param provider the name of the provider.
@@ -222,9 +235,9 @@
      * does not have to be registered in the provider list.
      *
      * @param algorithm the name of the algorithm requested.
-     * See Appendix A in the <a href=
-     * "../../../technotes/guides/security/crypto/CryptoSpec.html#AppA">
-     * Java Cryptography Architecture API Specification &amp; Reference </a>
+     * See the MessageDigest section in the <a href=
+     * "{@docRoot}/../technotes/guides/security/StandardNames.html#MessageDigest">
+     * Java Cryptography Architecture Standard Algorithm Name Documentation</a>
      * for information about standard algorithm names.
      *
      * @param provider the provider.
@@ -439,9 +452,9 @@
      * Returns a string that identifies the algorithm, independent of
      * implementation details. The name should be a standard
      * Java Security name (such as "SHA", "MD5", and so on).
-     * See Appendix A in the <a href=
-     * "../../../technotes/guides/security/crypto/CryptoSpec.html#AppA">
-     * Java Cryptography Architecture API Specification &amp; Reference </a>
+     * See the MessageDigest section in the <a href=
+     * "{@docRoot}/../technotes/guides/security/StandardNames.html#MessageDigest">
+     * Java Cryptography Architecture Standard Algorithm Name Documentation</a>
      * for information about standard algorithm names.
      *
      * @return the name of the algorithm