public key needs to be separate inside the iso

build/build-cloud.xml

@@ -525,6 +525,7 @@
         <exclude name="**/wscript_build" />
       </tarfileset>
     </tar>
+    <copy file="${base.dir}/patches/systemvm/root/.ssh/authorized_keys" todir="${dist.dir}/"/>
     <gzip destfile="${dist.dir}/patch.tgz" src="${dist.dir}/patch.tar"/>
     <delete file="${dist.dir}/patch.tar"/>
   </target>

build/package.xml

@@ -110,6 +110,7 @@
       <arg value="systemvm.iso"/>
       <arg value="systemvm.zip"/>
       <arg value="patch.tgz"/>
+      <arg value="authorized_keys"/>
     </exec>
   </target>