JASigning Platform Issues

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Main Page >> JASigning


The current version of JASigning is intended to run on Windows (XP, Vista, 7) and on the latest releases of Mac OS X 10.5 and later. JASigning is not supported on Linux at present. It is preferable to run JASigning with an up-to-date Java 6 run-time (JRE), although it should run with the latest versions of Java 5.

On MacOS 10.7 Lion and 10.8 Mountain Lion, running Java 7, there are problems with the freestanding SiGML URL Player and SiGML Service Player. Reverting to Java 6 allows these apps to run, though with some rendering issues that are also seen on 10.6 Snow Leopard.

On the supported platforms, that is, Windows and Mac OS X, JASigning supports both 32-bit and 64-bit operation. Which of this modes it actually runs in on any given occasion depends on several factors:

  • Whether or not the processor supports 64-bit operation.
  • Whether or not the operating system supports 64-bit operation.
  • Whether the system has a 32-bit or a 64-bit Java installation (or both) -- and what options are set in the Java Control Panel (Windows) or Java Preferences app (Mac OS X).
  • For a JASigning applet: whether the browser is running in 32-bit or 64-bit mode.


Windows: JASigning web applets should work with Safari, Firefox, Opera, Chrome, and Internet Explorer.

Mac OS X: JASigning web applets should work with Safari and Firefox. Recent versions of MacOS X applets require JASigning 095j or JASigning 095l. JASigning applets from older releases should work with Firefox 3.6.28 (which is no longer supported).

JASigning applets may work with browsers other than those mentioned, but our testing in such cases is at best limited. Let us know!

Main Page >> JASigning