Add javadoc for BcHssLmsContentSignerBuilder and BcHssLmsContentVerifierProviderBuilder.

Author: gefeili

pkix/src/main/java/org/bouncycastle/operator/bc/BcHssLmsContentSignerBuilder.java

@@ -17,6 +17,12 @@
 import org.bouncycastle.pqc.crypto.lms.LMSPublicKeyParameters;
 import org.bouncycastle.pqc.crypto.lms.LMSSigner;
 
+/**
+ * Builder for creating content signers that use the HSS/LMS Hash-Based Signature Algorithm.
+ *
+ * <b>Reference:</b> Use of the HSS/LMS Hash-Based Signature Algorithm in the Cryptographic Message Syntax (CMS)
+ * <a href="https://datatracker.ietf.org/doc/rfc9708/">RFC 9708</a>.
+ */
 public class BcHssLmsContentSignerBuilder
     extends BcContentSignerBuilder
 {
@@ -58,6 +64,7 @@ else if (param instanceof LMSPublicKeyParameters || param instanceof LMSPrivateK
             {
                 throw new IllegalArgumentException("Incorrect Key Parameters");
             }
+
             signer.init(forSigning, param);
         }
 

pkix/src/main/java/org/bouncycastle/operator/bc/BcHssLmsContentVerifierProviderBuilder.java

@@ -9,6 +9,13 @@
 import org.bouncycastle.crypto.util.PublicKeyFactory;
 import org.bouncycastle.operator.OperatorCreationException;
 
+/**
+ * Builder for creating content verifier providers that support the HSS/LMS Hash-Based Signature Algorithm.
+ *
+ * <b>Reference:</b> Use of the HSS/LMS Hash-Based Signature Algorithm in the Cryptographic Message Syntax (CMS)
+ * <a href="https://datatracker.ietf.org/doc/rfc9708/">RFC 9708</a>.
+ * </p>
+ */
 public class BcHssLmsContentVerifierProviderBuilder
     extends BcContentVerifierProviderBuilder
 {