Android :: Sign Application With Several Certificates
Apr 21, 2010
From the signing documentation at http://developer.android.com/intl/zh-TW/guide/publishing/app-signing.html:
When the system is installing an update to an application, if any of the certificates in the new version match any of the certificates in the old version, then the system allows the update.
This indicates that an application can be signed with multiple certificates.
This is an interesting option to allow multiple entities to sign an application. e.g: A system application which was initially signed by the device's manufacturer. Further updates could be signed by the developer.
Am I misreading the documentation or is this really possible? If so, how?
Is there any other way for an application to support different certificates and with that, having two or more entities sign it?
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Aug 7, 2009
Do I have to sign my application before submitting it for ADC II? Is yes, how do I do that? Do I have to buy some certificate?
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Jun 10, 2010
below is the code of a sign up form, when we CLICK second time to submit the entered details, the application collapses and hags just displaying the dialog_thread....On executing very first time it rum perfectly. The code of dialog_thread is given after onClick(). how to get rid of this problem and let the application run smoothly.
public void onClick(View arg0)
{// TODO Auto-generated method stub
alert_dialog ad=new alert_dialog();
try
{
if(arg0==signup)..................
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Mar 23, 2009
I'm looking for a way to get the certificates from a package that are used to sign it. Using the PackageInfo class it is possible to get the signatures. But what can I do with signatures if I don't get the public keys to verify these.
The next question I have where does the PackageInstaller verify the signed APK file? The PackageParser class loads the APK file into a JarFile object but does this automatically verify the signature?
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Oct 23, 2008
I'm using the Email application. I get a "non-trusted certificate" error when setting up mail for IMAP. This is expected because I generally self-sign my certs. Though, what is not expected is that there seems to be no mechanism to accept non-trusted server certificates. No self-sign certs? That's a deal breaker. There has got to be a work-a-round.
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Aug 12, 2010
Is there a way to view the Pre-Installed Root CA SSL Certificates in the Android OS? That is VeriSign, GeoTrust, Etc.
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Jun 25, 2010
I am using httpclient for my android app and I have a local site which has a few https pages. Since default httpclient doesnot allow self-signed certificates I am using "EasySSLFactory" and "EasyX509TrustManager", which are mentioned in httpclient documentation.
CODE:.......
The problem is if I use this SSLFactory in my android app, I am getting correct response from my site's https pages, but I get "SSL handshake failure: I/O error during system call, Unknown error: 0" for sites such as "gmail.com", "ymail.com". If I don't use. "EasySSLSocketFactory" I get response from these sites but get exception for my site.
This page fetch code works fine as a standalone java application.
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Mar 24, 2010
I recently formatted my computer and updated to Windows 7. I backed up my keystore and tried to sign my apk with it but it gave me an error that said my certificate expires in 22yrs. which is just shy of what the market requires to upload the apk. So now I am stuck not being able to update my app... Is there a way to extend the lifetime of certificates so that I can update my app?
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Oct 31, 2010
I'm working on an Android app that requires both client and server certificate authentication. I have an SSLClient class that I created that works beautifully on regular desktop Java SE 6. I've moved it into my Android project and I'm getting the following error: "KeyStore JKS implementation not found".I've looked online a bit and it looks like there's a possibility that Java Keystores are not supported on Android (awesome!) but I have a feeling there's more to it than that because none of the sample code I've found resembles what I'm trying to do at all. Everything I found talks about using an http client rather than raw SSL sockets. I need SSL sockets for this application.
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Jul 13, 2010
I was just on there yesterday i go into browse tonight and now all of a sudden it says pass world invalid from last night till this morning i tried typing in the little letters they had and I cant read it so I go to the google site. I put the info in and it says sorry account has been terminated for terms and conditions I didnt even do any thing to violate them?
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Nov 28, 2009
My work has free Wifi available for patients and whoever but you must first sign in on a main page it redirects to if your not already. Here to sign in you must accept a security certificate to be able to do this. It worked on my Droid the first day I did this and now I cannot get it to work, says it cannot redirect with no connection. Now this has happened before with my laptop and I just remove the certificate and it gets a new one and off I go. My question is where can I find these so I can delete it on the droid?
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Jan 14, 2010
I tried very hard but could not find an answer anywhere. I am attempting to install a security certificates (a pfx file) to get wifi access in my office but in the Samsung Galaxy (at least the one selling in Israel) I dont have an add a certificate option in the advanced wifi settings menu.
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Oct 23, 2009
I did some modification about the java code and AndroidManifest.xml of "com.android.settings" package.
Then I ran the emulator like this: make; lunch 1; emulator &
When PackageManagerService was scanning the "/system/app/Settings.apk" packages at boot time, it reported an error that "com.android.settings has no certificates at entry AndroidManifest.xml".
I guess my modified "Settings.apk" could not pass the signature verify.
How can I run my modified "Settings.apk" successfully?
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Apr 15, 2010
Trying to get HTTPS working with the HttpClient. I can't seem to find an example anywhere that works for me. Basically, I want my client to accept any certificate (because I'm only ever pointing to one server) but I keep getting a javax.net.ssl.SSLException: Not trusted server certificate exception.
So this is what I have:
CODE:.............
And here's the error I'm getting:
CODE:................
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Oct 6, 2010
I am attempting to connect to a local HTTPS server using the apache DefaultHttpClient on a Android device.
CODE:.......
I am getting an error of "javax.net.ssl SSLException: Not trusted server certificate" when the .execute runs. I want to simply allow any certificate to work, regardless of if it is or is not in the android key chain.
I have spent about 40 hours researching and trying to figure out a workaround for this issue. I have seen many examples of how to do this but none so far have worked in Android; they seem to only work for JAVA. Does anyone know how to configure, or override the certificate validation used by the Apache HttpClient in Android so that it will just approve all certificates for a DefaultHttpClient connection?
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Jan 21, 2010
Where the SSL certificates are stored in Android? How to know whether they are outdated? I am getting problem with setting up automatic setup in email application.
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Nov 8, 2010
Does anyone know of any app that would allow me to sign documents?
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Sep 28, 2009
where can I download the ADC judge application?
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Oct 6, 2010
I'm surprised to see that all of a sudden I cannot sign the apk of the newer versions of an app that I have. After some bugfixes I need to upload an update and hence I need to sign the apk. However, when I execute the following command: jarsigner -verbose -keystore android_release_key.keystore My_APK_File.apk android_release and enter my password correctly, I get the following error: jarsigner: unable to sign jar: java.util.zip.ZipException: invalid entry compressed size (expected 1065 but got 1085 bytes) I've signed older versions of the apk multiple times before. I don't understand why it stopped working now. Do you have any ideas or suggestions what can be going wrong here?
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Jul 21, 2010
I created an application which is currently on Android market. The key used to sign the application was made using jarsigner. How do I sign using the .key file originally generated?
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May 21, 2010
How do I sign an APK with more than one certificate, so that I can do this when I publish to the Android Market...
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Jun 15, 2010
why I'm not able to sign out of Google Talk? I have 2 Gmail accounts and want to switch over to my other one. I unchecked the automatic sign in box in the settings and forced closed and reopened the program again. When I open it, it automatically signs me into one account. It's extremely annoying. I hope I don't have to do a full reset of the phone because I already have so much stuff on it already, including a lot of personal data. This is something that I just can't get by because I need to start using G Talk now.
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Sep 17, 2010
Usually when I try to take advantage of the convenience of "Chrome to Phone", I have just got done doing something on my computer, and am about to head somewhere with my phone. But every time I try to use the chrome to phone button on my browser, it always asks me to sign in to Chrome to Phone. Basically, anytime I want to just quickly send a link to my phone, I end up having to log in which just completely ruins any convenience C2P gave me. I am always logged into Google and Gmail when I open my browser, so why doesn't it save the fact that I'm logged into Chrome to Phone? ): Is anyone else experiencing this?
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Dec 20, 2009
I just have a quick question regarding the youtube app. Ive already read about the problems with videos playing and I have that too. But my question is how do you sign out? I have the hero and I signed on one account and wanted to switch to my other one. Is this even possible?
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Aug 26, 2010
I have made an account on AppBrain and installed their app on my phone, but it wont let me sign in on the app, it says error contacting appbrain server and no pending changes, please go to appbrian.com to install app (well ive reading this on the app allready).
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Oct 25, 2010
Interesting question for you all. I'm running a rooted Eris on xtrROM 4.6 with all the little bells and whistles. No apps that are out of the ordinary. Just a moment ago I had the little warning triangle with the sign through it. I opened it up and it was a message that said google sign in error.It gave me one of those stylized arrangements of letters that i had to punch to make sure I wasn't a bot. Generally stuff like that makes me fairly wary so I closed it and opened both my gmail folder and google calendar (which I just started using today actually). Both worked fine. Was this a fishing scam of some kind? I've been reading some reports of how fishing scams are coming over through SMS and I've gotten some of the more obvious ones for walmart cards etc, but this one was new to me.
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Nov 3, 2009
I wiped my phone back to factory defaults, then signed into the phone with my Google Account, then download and install Google Voice. When I launched Google Voice for the first time a dialog showed up and asked, "Sign in as mygoogleacco @gmail.com?" When I clicked the Yes button Google Voice signed in for me ***without*** asking me for any credentials.How do I add this to an application of my own?I want to make an IM / SMS application (leveraging Google Voice and Google Talk services) but I don't want the end-user to have to give me their credentials. This is on an ADP1 phone running android 1.6.
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Aug 12, 2010
I just bought the HTC Wildfire but I cannot login to my google account to use latitude. When I enter my email and password it says xxxxxxx@something.be does not use gmail and then it suggests alternatives ending at gmail.com.I do not wish to create a new gmail account, I simply want to use the same email and password that I also use on my computer to login to google and latitude and so on. I can see latitude under this account on my pc but can't login to it with the wildfire because it keeps moaning about this gmail.
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Aug 25, 2009
I wanted to understand what the $ sign and the number after a $ sign meant in a backtrace. For example, consider the following backtrace: at android.app.Activity Thread.access$ 2500 (ActivityThread.java:115) at android.app.Activity Thread$H.handleMessage (ActivityThread . java : 1745) In the first line, what does the number 2500 refer to? In addition, I couldn't find the function "access" in ActivityThread.java, and line 115 is just the beginning of the class. Can anyone help clarify this?
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Nov 13, 2009
When I bring up my friends list in google latitude, I can NEVER see my profile pic, although it shows up on my friend's maps no problem, and it also shows up when I sign in to latitude on my desktop... WTF? Also it seems to be displaying different pics for some friends on my phone then it does on my desktop. This is all happening on my MOto DROID-- and btw everything else seems to be working fine with it. Anybody else notice this?
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