Restore BC

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1744742 13f79535-47bb-0310-9956-ffa450edef68

Author: sebbASF

src/main/java/org/apache/commons/codec/digest/DigestUtils.java

@@ -963,7 +963,8 @@ public static boolean isAvailable(String messageDigestAlgorithm) {
 
     private final MessageDigest messageDigest;
 
-    private DigestUtils() {
+    // public to maintain binary compatibility
+    public DigestUtils() {
         this.messageDigest = null;
     }
 

src/main/java/org/apache/commons/codec/digest/HmacUtils.java

@@ -854,7 +854,8 @@ public static Mac updateHmac(final Mac mac, final String valueToDigest) {
         return mac;
     }
 
-    private HmacUtils() {
+    // public to maintain binary compatibility
+    public HmacUtils() {
         this(null);
     }