Hide password for signing

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1868865 13f79535-47bb-0310-9956-ffa450edef68

fop/build.xml

@@ -1303,7 +1303,9 @@ NOTE:
   </target>
   <target name="release-dist" depends="dist" description="Generates the distribution package and signs the release">
     <property name="bin.suffix" value="bin"/>
-    <input message="Passphrase for your default private key (attention: passphrase will be echoed in clear text on the display!)" addproperty="pwd"/>
+    <input message="Passphrase for your default private key" addproperty="pwd">
+        <handler classname="org.apache.tools.ant.input.SecureInputHandler" />
+    </input>
     <antcall target="sha512">
       <param name="sign.archive" value="${name}-${version}-src.zip"/>
     </antcall>