should be remotable (to the extent we don't try to compute encrypted value.)

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@36547 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/util/Secret.java

@@ -35,6 +35,7 @@ import org.kohsuke.stapler.Stapler;
 
 import javax.crypto.SecretKey;
 import javax.crypto.Cipher;
+import java.io.Serializable;
 import java.io.UnsupportedEncodingException;
 import java.io.IOException;
 import java.security.GeneralSecurityException;
@@ -52,7 +53,7 @@ import java.security.GeneralSecurityException;
  *
  * @author Kohsuke Kawaguchi
  */
-public final class Secret {
+public final class Secret implements Serializable {
     /**
      * Unencrypted secret text.
      */
@@ -210,6 +211,8 @@ public final class Secret {
      */
     /*package*/ static String SECRET = null;
 
+    private static final long serialVersionUID = 1L;
+
     static {
         Stapler.CONVERT_UTILS.register(new org.apache.commons.beanutils.Converter() {
             public Secret convert(Class type, Object value) {