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Signed Applications for AT&T

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Anonymous

Hello All,

I understand that for Sprint, a signed application with a certificate will
only work if the application is to be served from Sprint's deck. All off-
deck applications must be delivered unsigned, triggering the dialog that
the application is untrusted.

Is this also the case for AT&T (Cingular)? For AT&T, customers, can I sign
my applications with a certificate and deliver them to the public from my
off-deck server? Any way to avoid triggering the "untrusted, unsigned"
prompt on AT&T phones?

Thank you for your reply.

Alan Weiler
developer@kallisto.com

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Joe Bowbeer

On 10/5/07, Alan Weiler wrote:
> Hello All,
>
> I understand that for Sprint, a signed application with a certificate will
> only work if the application is to be served from Sprint's deck. All off-
> deck applications must be delivered unsigned, triggering the dialog that
> the application is untrusted.
>
> Is this also the case for AT&T (Cingular)? For AT&T, customers, can I sign
> my applications with a certificate and deliver them to the public from my
> off-deck server? Any way to avoid triggering the "untrusted, unsigned"
> prompt on AT&T phones?
>
> Thank you for your reply.
>
> Alan Weiler
> developer@kallisto.com
>

For AT&T, signing MIDlets yourself is viable. That said, there's no
single certificate that will work on all handsets -- and some handsets
won't accept any of your certificates (Motorola in particular).

Here's a reference from Nokia, with pointers to more information on
the AT&T developer site:

http://wiki.forum.nokia.com/index.php/Java_Security_Domains
http://wiki.forum.nokia.com/index.php/AT%26T_Java_security_domains

In addition to the official policy, you need to consider that some of
your users may be (legally) using unlocked or gray market handsets.

--
Joe Bowbeer

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