Update javadoc (dnsjava#54)

kingle · ibauersachs · commit ebccd5ab31f4 · 2019-06-02T22:18:53.000+02:00
As of Java 8, SHA-224 should be usable OOB: https://openjdk.java.net/jeps/130
diff --git a/src/main/java/org/xbill/DNS/TSIG.java b/src/main/java/org/xbill/DNS/TSIG.java
@@ -29,11 +29,7 @@ public class TSIG {
 /** The domain name representing the HMAC-SHA1 algorithm. */
 public static final Name HMAC_SHA1 = Name.fromConstantString("hmac-sha1.");
 
-/**
- * The domain name representing the HMAC-SHA224 algorithm.
- * Note that SHA224 is not supported by Java out-of-the-box, this requires use
- * of a third party provider like BouncyCastle.org.
- */
+/** The domain name representing the HMAC-SHA224 algorithm. */
 public static final Name HMAC_SHA224 = Name.fromConstantString("hmac-sha224.");
 
 /** The domain name representing the HMAC-SHA256 algorithm. */
