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javastder:
42 Comments: guillechan said.. ...
HOWTO Build, Sign and Install MIDlets
HOWTO Build, Sign and Install MIDlets
http://browndrf.blogspot.com/2006/06/build-and-install-singed-midlet.html
I’m aware that this is a lengthy process and involves several delicate steps. I wish I knew an easier method!! I have only tested this with one handset (nokia 6682). If you have a different handset things can be slightly different. However the basic signed MIDlet security model should be the same. The main problem with several (at least mine) handsets is, they do not allow you to directly install new CA root certificates. The security model is great, but this enforces us to buy a code-signing certificate even just for testing purpose. After reading several articles and email discussions I managed to install a self-signed certificate to my handset. I could also successfully install my test MIDlet signed by that self-signed certificate. My contribution to this process is very little. I just collected bits and pieces from different places and put them together. I hope this might help some developers. If you have any questions or comments you may email me to brown_drf [at] yahoo [dot] com. Good luck!
OpenSSL - to create and sign certificates
[code]
$file = path_to_your_CA_CER_FILE
评论
guillechan said...
Hi, nicely written tutorial.
I didn't know one could install a root certificate in the phone, so i've followed the fist steps feverishly, i know how to do the rest.
I've tried with 2 devices. When accessed through the browser it received the certificate, and asked me to install it.
Nokia 6230: it downloads the certificate but does not understand that type of files.
SonyEricsson K300: tries to open the certificate but says: "the certificate is not valid"
Did you really were able to install a root cert. on a phone and authenticate signed midlets with it?
regards guillechan@gmail.com
5:48 AM
Brown D said...
guillechan,
Sorry for replying late. Yes, I was able to install a root cert on my nokia 6682. I wasn't kidding
However this doesn't mean that it will work on ALL devices. Different devices has different restrictions (and bugs).
But, you said your 6230 says it did not understand file file format, were your cert in DER ? If you use PEM(base64) you'll get this error. It is also possible that other devices support different formats. Unfortunately I don't have many other devices to test
good luck
2:40 PM
Mihai said...
Hi,
I'm using Carbide 1.5 with JBuilder 8.
I have a problem in step 8 : when I Import Certificate (after using "Open" buton), JBuiler freeze.
Do you have any ideeas?
Regards,
Mihai
3:33 AM
Mihai said...
Hi,
I've succeeded to import the certificate (on another PC), the install is ok.
But when I run the midlet I still have the security request for user approval!
The permissions are present in the .jad:
MIDlet-Permissions: javax.microedition.pim.EventList.read, javax.microedition.pim.ToDoList.read
.
All steps were ok, so I don't understand.
I'm using the midlet on a Nokia N70 (S60 2nd Edition, Feature Pack 3)
Any ideas?
Regards,
Mihai
1:02 AM
yo31358 said...
I'm follow your instruction but it error in last step (Install MIDlet to handset) I get 'Certificate error, Contact the application supplier'
I use nokia n80
anyone can hekp me? please send mail to me at joe_cmu@hotmail.com
Thanks
1:34 PM
Brown D said...
All,
Sorry for replaying late. Its been a while since I checked the page.
About the JBuilder freeze problem: frankly, I don't know the answer.. try running carbide.j independently and see.
About the user confirmation: That is the expected behavior. The handset provider has the complete control over this. Cingular (US) for example allow your midlet to bypass the confirmation only if the midlet was signed by their own certificate. So don't get surprised.
About the certificate error: Again I don't know the answer:) Did you check whether your jad file contain ALL certificates ?
Experts at Nokia discussion forum has been very helpful in resolving these kind of issues.
Checkout
http://discussion.forum.nokia.com/forum/
2:47 PM
Cusco said...
I want put my midlet into HTC P3300 but an error occured "impossible to verify signed".
Here is my jad:
Created-By: 1.5.0_08 (Sun Microsystems Inc.)
MIDlet-1: NrauMobile, NrauMobile.png, pt.ihru.nraumobile.NrauMidlet
MIDlet-Jar-Size: 146184
MIDlet-Jar-URL: ./NrauMobile.jar
MIDlet-Name: NrauMobile
MIDlet-Permissions: javax.microedition.io.Connector.comm,javax.microedition.io.Connector.file.read, javax.microedition.io.Connector.file.write,javax.microedition.io.Connector.http, javax.microedition.io.Connector.https,javax.microedition.media.control.RecordControl, javax.microedition.media.control.VideoControl.getSnapshot
MIDlet-Vendor: Opensoft
MIDlet-Version: 1.0
Manifest-Version: 1.0
MicroEdition-Configuration: CLDC-1.0
MicroEdition-Profile: MIDP-2.0
MIDlet-Certificate-1-1: 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
MIDlet-Certificate-1-2: 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
MIDlet-Jar-RSA-SHA1: Mj0+w51xKhT1t7wwNXfzHwKCrkv29iOKqg5/w/LSjXEkM1VrGHQVb0C65lMZs+vGp6QmNHpGQhEyv0qmcKvzD3serpGDxWlv8FstZ2hzZCdaeKVawUiAeoOEolpxosjPm8jMt2YYKQLLaVeogsrMr6PYvD1VfsJHVGBa7GVInfU=
Do you know what's the problem?
Thanks
3:47 AM
Brown D said...
Cusco,
It looks like the root CA certificate is not present on your handset.
Are you signing with your self-generated code signing certificate or did you buy from a CA (like verisign) ? In either case make sure that the root CA certifcate is installed on the handset. If you have a self-signed cert take a look at Step 4 of the blog.
Please keep in mind that not all handsets support installing root certificates. SO if you bought a cert froma vendor which is not present on your handset, you cannot install your midlet.
If you have more questions please email me at brown_drf _at_ yahoo _dot_ com
1:32 PM
suvro said...
Thanks a lot for this amazing blog. It is really nice to know there is an workaround to self sign a midlet and get it to work in the phone (at least in a series 60 2nd ed.).
5:36 AM
Arcadiy said...
Very usefull tutorial. I made it on my N70 for MIDlet-Permissions-Opt: javax.microedition.pim.ContactList.read, javax.microedition.pim.ContactList.write
2:48 PM
Manoj Kumar said...
Great work.
we want to just add servlet code which is working.
here is some working code snippet of servlet, u can use for the downloading certificate.
import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class certificate extends HttpServlet
{
public void doGet(HttpServletRequest req, HttpServletResponse resp)throws ServletException,IOException
{
//PrintWriter out = resp.getWriter();
OutputStream os = null;
File exportFile = null;
String fileName = "ca.cer";
ServletContext context = getServletContext();
try
{
File dir = new File(context.getRealPath("/"));
exportFile = new File(dir, "\\WEB-INF\\cert\\ca.cer");
//exportFile = new File("E:/Manoj/apache-tomcat-4.1.36-LE-jdk14/webapps/ROOT/ca.cer"); //path_to_your_CA_CER_FILE);
resp.setContentType("application/x-x509-ca-cert");
resp.addHeader("Content-Disposition", "attachment; filename=" + exportFile.getName());
//OutputStream
os = resp.getOutputStream();
//InputStream
// InputStream is = new FileInputStream(fileName);
InputStream is = new FileInputStream(exportFile);
//byte[] b = new byte[128];
DataInputStream dis = new DataInputStream(is);
byte[] b = new byte[2048];
int cnt = 0;
while (true)
{
cnt = is.read(b);
//out.println(c);
if (-1 == cnt)
break;
os.write(b,0,cnt);
String s = new String("once\n");
os.write(s.getBytes());
}
os.flush();
is.close();
}
catch (Exception e)
{
if (null == os)
{
os = resp.getOutputStream();
}
DataOutputStream dos = new DataOutputStream(os);
dos.writeUTF(exportFile.getName()+e.toString());
dos.flush();
os.flush();
os.close();
//os.writeData("exception : " + e);
//out.println("Exception e : " + e);
}
}
}
7:56 AM
Manoj Kumar said...
great work.
we used the steps to install certficates.
here is below code of servelt. we have some fight on setting the path of certificate.
File dir = new File(context.getRealPath("/"));
exportFile = new File(dir, "\\WEB-INF\\cert\\ca.cer");
resp.setContentType("application/x-x509-ca-cert");
resp.addHeader("Content-Disposition", "attachment; filename=" + exportFile.getName());
os = resp.getOutputStream();
InputStream is = new FileInputStream(exportFile);
8:01 AM
Brown-Dwarf said...
Manoj Kumar,
Thank you for posting that servlet code - definitly useful.
~b
5:53 PM
GuoQing said...
1) Two step5?
2) If we don't have carbide.j (which is not support any more) what should we use?
9:33 AM
GuoQing said...
I tried the step 4 on my nokia 6085 phone, it givesme "Authority certificate corrupted", what can be wrong?
3:37 PM
RAVI said...
Hi,
I followed the steps you specified to create self sign certificate and signed the my midlet and i have successfully installed the certificate in my S60 3rd edition emulator and set the permissions too.But when i'm trying to install my self signed midlet, An error happened saying the certificate error ! contact the Application supplier...please help me .It's urgent
10:39 PM
Brown-Dwarf said...
GuoQing,
For jar signing, there are several other tools available. Search for "jar signing tools". This is one I came across. http://java.sun.com/j2se/1.4.2/docs/guide/plugin/developer_guide/rsa_signing.html#signing
Please note that the procedure is different for different tools. You might need to play around with it alittle bit.
About the certificate corruption, what method/script/language do you use to develop the server side? You need to makesure the cert is streamed correctly. Did you verify it with a standard browser ? That'd be helpful.
10:42 AM
Brown-Dwarf said...
Ravi,
I am not sure about this problem on emulator(OTA?). Other people have also reported similar issue.
http://discussion.forum.nokia.com/forum/showthread.php?t=117397
It looks like the problem is not present on real hardware. Sorry that I can't provide much help.
~b
10:55 AM
GuoQing said...
I have the same problem on my nokia 6085. When I load the ca.cer from mobile phone on my apache2/php server http://www.drhu.org/ssl/ssl.php it gives me "Authority certificate corrupted". I follow the steps http://browndrf.blogspot.com/
Does anyone how to solve this problem?
2:45 PM
Brown-Dwarf said...
GuoQing,
I tried the url with 6682 and it works fine. Like I mentioned in the blog, installing certificate is not a standard feature. S60 2nd edition has a bug which allos you to install certs. I am not sure what platform has this "feature".
~b
9:33 AM
GuoQing said...
The "Authority certificate corrupted" problem be solved if I use c:\OpenSSL\bin\openssl genrsa -des -out ca.key
But, now another problem happens after I install the ca.cer. In my Nokia 6085, setting/security/authority certificates/certificate list/options/select use
the App. Signing check box is disbaled, so I can't check it. It maybe AT&T or Nokia disabled this on purpose. Does anyone has the same problem?
9:32 AM
Brown-Dwarf said...
hmm.. that is interesting..
-des3 just means use 3DES to encrypt the private key. In other words, it is only for symmetric encryption, not for the asymmetric one (RSA). If you don't specify these (-des|-des3|-idea) options, your pvt key will not be encrypted.
I could be wrong, but AFAIK, it shoul dnot affect the public key - which we're installing - which is not encrypted.
take a look at this
http://www.openssl.org/docs/apps/genrsa.html
About the trust settings, I am not very surprised if it is disabled. All these providers has their own policies - differes on different handsets. BTW, did you try to install the application ? - just to try your luck.
11:02 AM
pramoda said...
nice article
this works only for series 60 mobile.
but you can't control messaging Security Alerts.
4:52 AM
pramoda said...
you can send this .cer file in bluetooth also.
4:53 AM
J2ME said...
hi friends,
can you tell me whether we can do sam e process via emulator.....I have got
wtk 2.5.1....If any solution plz let me know....
5:44 AM
imran munir said...
Sir i am using nokia e51 and when i get download the http://www.corvitoman.com/movies/videoStreaming.php it shows the cryption on page i just copied and paste your given code of php. you can also check it and when i clicked on jad link it not gives any message do you want to save it in phone and it shows the midlet information.
Please help me in this issue i want to get direct download my jar file to any nokia mobile. thank you sir my email id is imranmunirawan@hotmail.com
5:05 AM
imran munir said...
I am using the e51 nokia after the all process which you told in this blog when i opened the php file www.corvitoman.com/movies/videoStreaming.php
it shows the ca.cer file on browser rather then install it. like that when i click on jad file www.corvitoman.com/movies/videoStreaming.jad it shows the midlet information after download or jar file www.corvitoman.com/movies/videoStreaming.jar shows cryption code rather then install. sir i am totally in trouble will you please help me regarding this issue i will be very thank full for your this kind of act. please tell me solution. thankyou
5:10 AM
le_top said...
I've followed the procedure and was able to install my ca.cer on a Nokia phone by opening it from the file manager.
However, the certificate can not be used for application install, only for 'internet' and 'online certificate verification'.
Application installation can only be validated by the certificates labeled as 'MIDP2 ...' on my phone (28/08/2008).
1:54 PM
Brown-Dwarf said...
le_top,
What make/model is your handset? As far as I know, there is no special cefrtificate or cert extensions for MIDP. In step 5, did it give you an option for "App Installation" ? That is the flag it will be using to decide whether to use a certificate to authenticate an incoming application. Please double check that.
~b
9:55 AM
lolek said...
Hi!nice article!
However i stuck in step 4 as my Samsung SGH-L700 doesn't seem to support any of cert MIME types (as in http://www.mobilemultimedia.be/en/uaprof/index.php) Can you think of any alternative how to install a certificate or other way of getting a trusted app on my device or at least get rid of the annoying security warnings when midlet accesses phone filesystem?
Regards,
Leo
1:21 AM
Amar Sahu said...
Hi All,
I have a self signed certificate for my applicaiton present on my PC. This application is bound to work on Nokia 6131 NFC phone. I followed browndrf's link http://browndrf.blogspot.com/2006/06/build-and-install-singed-midlet.html. I have followed the document and am slightly confused with step 4. Can anyone of you please lay more emphasis on step 4. It will really help me. Incidently I have tried to make the webpage available on my phone by running my webserver. But the results are not encouraging. when i try to open the application it gives me a security Exception error and a Null pointer Exception error. My main doubt is what is the right procedure to upload the certificate on to the phone. I have been mailing to quiet a few members but have not got any response yet. Please suggest me what i am supposed to do in order to make this application run without any errors. I am trying to implement the TicketingExample application that comes with Nokia 6131 NFC SDK.
Eagerly waiting for your reply.
Regards,
Amar Sahu
9:31 PM
missmè said...
hi, i readed the article and i have one question for you.
After that i build and installed Signed MIDLet can i access to a property that are accessible only if the midlet is signed? Example i wont get IMSI, but it is possible only of my midlet is signed.
Can you help me please.
Thanks...Regards
8:48 AM
ANX said...
I did uptil step 3
I start the browser on my phone (nokia 6233) and try to install the certficate. the phone opens the site, downloads the certificate and then says, corrupted certificate.
Can anyone help??
11:41 PM
eiwai said...
Hi , Sir
Your tutorial is very nice and helpful for us . We follow your way to install Midlets. We are writing j2me prgram to get the cell id, location area code. We used Nokia 5220 XpressMusic to test it. We cannot import certificate to phone. Can you guide us the way ?
with deepest respect,
Ei Wai.
12:20 AM
小洛 said...
Nice tutorial and thank you so much for sharing.
I tested with Nokia E51 and Nokia 3250 but unable to work.
In the end found an article stated that this can only work on S60 2nd Edition. >"< E51 and 3250 both S60 3rd Edition.
I further tested with Nokia 6680 which S60 2nd Edition, it's working as what this tutorial taught~~~ Proved this tutorial is workable.
Following is the article:
http://wiki.forum.nokia.com/index.php/KIJ000555_-_Signing_certificates_for_MIDlets
3:43 AM
mhs said...
Hi,
my phone is nokia 5800.
i did anything you write,but instead of downloading the ca.cer file, i copied it in phone memory and installed it.
the certificate installs successfuly but the app. installation choice is not here.
also my midlet doesnt install on the phone.
what should i do?
11:30 PM
mhs said...
my mail is: mohammad.samadani@gmail.com
11:32 PM
omar said...
i have an error in step 3
when i try to write
req -new -x509 -days 365 -key ca.key -outform DER -out ca.cer
and the error is unable to load
config info from /usr/local/ssl/openssl.cnf
if any body can help me on that please
1:15 AM
giancarlo said...
GREAT !
8:49 AM
kertoja said...
Great! Thanks
2:11 PM
BRICTON said...
Can somebody tell how can I do in order to get the cer install on the phone:
I have this file index.php
[Descarga de Certificado]
[Bienvenido]
[Para descargar el certificado, por favor siga el siguiente ]enlace]
[href="get_cert.php"]Certificado]
This is get_cert.php
Can somebody help me
4:38 PM
Shantanu Paul said...
Hi sir,
I am a newbie & could not make out of all that instructions. I would be very grateful if you could provide me a signed version of KD Player by the above method. It will be very grateful.
8:26 AM
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