1 files changed, 33 insertions, 29 deletions

diff --git a/pki/base/util/src/com/netscape/cmsutil/util/HMACDigest.java b/pki/base/util/src/com/netscape/cmsutil/util/HMACDigest.java
index eae8cc5f0..e77e37a50 100644
--- a/pki/base/util/src/com/netscape/cmsutil/util/HMACDigest.java
+++ b/pki/base/util/src/com/netscape/cmsutil/util/HMACDigest.java
@@ -17,12 +17,14 @@
 // --- END COPYRIGHT BLOCK ---
 package com.netscape.cmsutil.util;
 
+
 import java.security.MessageDigest;
 
+
 /**
- * This class implements the HMAC algorithm specified in RFC 2104 using any
- * MessageDigest.
- * 
+ * This class implements the HMAC algorithm specified in RFC 2104 using
+ * any MessageDigest.
+ *
  * @author mikep
  * @version $Revision$, $Date$
  * @see java.security.MessageDigest
@@ -49,20 +51,20 @@ public class HMACDigest implements Cloneable {
 
     /**
      * Creates an HMACDigest
-     * 
-     * @param md The MessageDigest to be used for the HMAC calculation. It must
-     *            be clonable.
+     *
+     * @param md The MessageDigest to be used for the HMAC calculation.  It
+     * must be clonable.
      */
     public HMACDigest(MessageDigest md) {
         mMD = md;
     }
 
     /**
-     * Creates an HMACDigest and initializes the HMAC function with the given
-     * key.
-     * 
-     * @param md The MessageDigest to be used for the HMAC calculation. It must
-     *            be clonable.
+     * Creates an HMACDigest and initializes the HMAC function
+     * with the given key.
+     *
+     * @param md The MessageDigest to be used for the HMAC calculation.  It
+     * must be clonable.
      * @param key The key value to be used in the HMAC calculation
      */
     public HMACDigest(MessageDigest md, byte[] key) {
@@ -79,16 +81,18 @@ public class HMACDigest implements Cloneable {
 
     /**
      * Initialize the HMAC function
-     * 
+     *
      * The HMAC transform looks like:
-     * 
-     * hash(key XOR opad, hash(key XOR ipad, text))
-     * 
-     * where key is an n byte key ipad is the byte 0x36 repeated 64 times opad
-     * is the byte 0x5c repeated 64 times and text is the data being protected
-     * 
+     *
+     *      hash(key XOR opad, hash(key XOR ipad, text))
+     *
+     * where key is an n byte key
+     * ipad is the byte 0x36 repeated 64 times
+     * opad is the byte 0x5c repeated 64 times
+     * and text is the data being protected
+     *
      * This routine must be called after every reset.
-     * 
+     *
      * @param key The password used to protect the hash value
      */
     public void init(byte[] key) {
@@ -102,7 +106,7 @@ public class HMACDigest implements Cloneable {
             mMD.reset(); // Redundant?
         }
 
-        // Copy the key. Truncate if key is too long
+        // Copy the key.  Truncate if key is too long
         for (i = 0; i < key.length && i < PAD_BYTES; i++) {
             mKeyIpad[i] = key[i];
             mKeyOpad[i] = key[i];
@@ -129,7 +133,7 @@ public class HMACDigest implements Cloneable {
 
     /**
      * Updates the digest using the specified array of bytes.
-     * 
+     *
      * @param input the array of bytes.
      */
     public void update(byte[] input) {
@@ -137,9 +141,9 @@ public class HMACDigest implements Cloneable {
     }
 
     /**
-     * Completes the HMAC computation with the outer pad The digest is reset
-     * after this call is made.
-     * 
+     * Completes the HMAC computation with the outer pad
+     * The digest is reset after this call is made.
+     *
      * @return the array of bytes for the resulting hash value.
      */
     public byte[] digest() {
@@ -171,16 +175,16 @@ public class HMACDigest implements Cloneable {
 
     /**
      * Clone the HMACDigest
-     * 
+     *
      * @return a clone if the implementation is cloneable.
-     * @exception CloneNotSupportedException if this is called on a
-     *                MessageDigest implementation that does not support
-     *                <code>Cloneable</code>.
+     * @exception CloneNotSupportedException if this is called on a 
+     * MessageDigest implementation that does not support 
+     * <code>Cloneable</code>.
      */
     public Object clone() throws CloneNotSupportedException {
         int i;
 
-        HMACDigest hd = (HMACDigest) super.clone();
+        HMACDigest hd = (HMACDigest) super.clone();	
 
         hd.mKeyOpad = new byte[PAD_BYTES];
         hd.mKeyIpad = new byte[PAD_BYTES];