J2ME - code signing - what is a certificate that works in all mobile phones such as Nokia, Samsung, Micromax, LG?

Question

I am creating an MP3Player that will access the device’s memory card to list songs. For this, I use the file connection API, so devices like Nokia continue to request permission. To overcome this, the jar file must be signed. Does anyone know which CA is widely accepted by all devices such as Nokia, Samsung, Sony, LG, Karbonn, Micromax and even Chinese devices?

Does anyone know which generic certificate is available for all devices?

Is there a free version for developers for developers?

Answer 1

Atlast Thawte is the best solution, and I bought a Thawte signature code for $ 299, which is valid for 1 year.

Answer 2

Unfortunately, this range of phones and I assume that you are looking for a unicorn that does not exist

However, you need to check which devices you want to deploy, just like a Verisign, Thwate or UTi certificate, the root certificate is missing on all phones! Unfortunately, this means that if you sign the application, you will not be able to install it on devices where there is no root certificate.

The phones that you need to pay special attention to are all that the carriers set up, in a great example, most Sony K800s have Verisign certification if they are not VodafoneUK, in which case they will not be used for certain firmware

It’s best to get a couple of signed MIDlets and place them on the initialization server and use the HTTP install notification to find out if you have a lot of failures, then you can redirect those phones that have difficulty installing a specific signed application

Answer 3

Each phone has a specific authorized root certificate, for example thwate, verisign with a different access level. You need to check the general certificate that will satisfy your needs.

Answer 4

This post is over a year old, but this issue with SSL CA still exists in many flip and non-smartphones. After receiving limited reliable information on the Internet, I called several vendors and started some of my own tests. VeriSign clearly has the largest installation base, but stands arm and leg. Looking at Thawte, which didn’t work on all devices, I found GeoTrust (which is a VeriSign subsidiary) that seems to work on every coup that I tested.

I wrote a post that discusses the issue in more detail, but overall GeoTrust addresses the issue at a fraction of the cost of other certificates. In my case, I was looking for a wildcard. As of 10/15/2012, which is $ 499 per year with unlimited additional domains and server settings.

http://www.alexfoley.com/ssl-certificate-roots-on-old-mobile-devices/

Answer 5

Maybe it depends on your requirements. Verification Thawte, Verisign, and Java support most devices. To do this, I already communicate with the technical team of Thawte and Verisign. They said that most of the device support after signing the application. But they do not support the list of mobile models. I suggested that Taute is better than both.