# Re: Example doesn't work

Marianne Mueller (Marianne.Mueller@Eng)
Tue, 14 Apr 1998 17:42:25 -0700 (PDT)

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    Date: Tue, 14 Apr 1998 17:42:25 -0700 (PDT)

    From: Marianne Mueller <Marianne.Mueller@Eng>

    Subject: Re: Example doesn't work

    To: java-security@web2.javasoft.com, john.fleming@altavista.digital.com

Hi John,

Unfortunately there are some differences between the way Netscape
implements digital signatures and JAR files and the way JavaSoft does.

You have a couple options - you can use Activator with the Netscape
browser, and then be able to use a more recent version of the JDK,
or you can use Netscape's security setup. One thing about Netscape's
security model is that it requires you to program in the access control
your signed applet will need. The standard Java model is to use
an external policy file so that code changes are not needed to change
the sort of access allowed to a signed applet.

For more info on Activator:
http://java.sun.com/products/activator/

For more info on Java security model: (JDK 1.2)
http://java.sun.com/products/jdk/1.2/docs/guide/security/index.html

For more info on Netscape security model:
http://developer.netscape.com/software/signedobj/index.html

Your signed applet should work OK with appletviewer - this is a way to
test things out, at least.

Marianne

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