Android :: Digicert Signed Https Certificate Throwing SSLException (Not Trusted Server Certificate)

Jan 25, 2010

Anyone else experiencing this problem or know of a solution? I have a Digicert signed https certificate that is throwing an SSLException (Not trusted server certificate). This doesn't make any sense as Digicert is a recognized certificate authority. I can connect to my https url without a problem via IE, Firefox, and Safari so they appear to have no issue with the certificate. Here's the code I'm using. Very simple stuff......................

Android :: Digicert signed https certificate throwing SSLException (Not trusted server certificate)

Android :: SSLException - Not Trusted Server Certificate

Aug 20, 2010

I am receiving this exception, when I try to access a secure site in my App. I am using DefaultHttpClient & BasicHttpParams classes for Http communication..........................

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Android :: - Not Trusted Server Certificate

Sep 25, 2010

I access web service..! My web service name is "" But it will show the following Exception " Not trusted server certificate" This is my code...............

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Android :: Ssl.SSLException Not Trusted Server Certificate Http Client

Nov 17, 2009

I have been trying to use httpclient to post data on https (secure). I have searched all forums of android but I could not find any solution that works with httpclient on https. I have seen some solutions using HttpsURLConnection. and SSLContext. I would like to go with httpclient not URLConnection as I require to manage cookies and al. I am looking for your exert advice on above matter..............

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Android :: - Not Trusted Server Certificate - Exception In Android

Jun 16, 2010

I am getting " Not trusted server certificate" exception when I am trying to hit https URL (.Net Webservice) from my android app. Below is my code:

HttpParams myParams = new BasicHttpParams();
HttpProtocolParams.setVersion(myParams, HttpVersion.HTTP_1_1);
HttpProtocolParams.setContentCharset(myParams, "utf-8");
myParams.setBooleanParameter("http.protocol.expect-continue", false);.................

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Android :: HTTPS GET (SSL) With Android And Self Signed Server Certificate

Sep 21, 2010

I have looked into various posts about how to retrieve something via HTTPS on Android, from a server that uses a self-signed certificate. However, none of them seem to work - they all fail to remove the " Not trusted server certificate" message. It is not an option to modify the server to have a trusted certificate, and it is also not an option to make the server certificate match the server's IP address. Note, that the server will not have a DNS name, it will only have an IP-address. The GET request looks something like this:

I am fully aware that this solution is prone to man-in-the-middle attacks etc. So, the solution must ignore the lack of trust in the certificate, and ignore the hostname mismatch. Does anybody know the code, that does this, using Java for Android? There are plenty of attempts to explain this on, and plenty of code snippets, but they don't seem to work, and nobody has provided one block of code that solves this, as far as I can see. It would be interesting to know if somebody really solved this, or if Android simply blocks certificates that are not trusted.

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Android :: HTTPS With Self Signed SSL Certificate - Solution Or Better?

Apr 29, 2010

I need to do is download some basic text-based and image files from a web server that has a self-signed SSL certificate. I have been trying to figure out how to use HttpClient to do this, but getting the SSL to work is a nightmare that seems to be way too much trouble for such a simple task. Is there a better way to perform these file downloads? Perhaps through a WebView or Browser feature? Reinventing the wheel of making a simple HTTPS GET request is a major pain, and is significantly holding up my development schedule.

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Android :: HttpPost - Ssl And Error - Not Trusted Server Certificate

Feb 9, 2010

I want to use HttpPost over https/ssl. I get 'Not trusted server certificate' error. I've found a lot of posts, seems that many people have similar problems and I've found two suggestions: 1) Change server's certificate. Current certificate is self-signed as localhost.localdomain. Unfortunetly it's not my server and I cannot change the certificate. 2) Use HttpsUrlConnection instead of HttpClient. But I cannot use it because sometimes (when response's code is 401 or 403) I got IOException during getting response code or reading inputstream.

So I've found 3rd solution - use httpclient, when system throws excetpion 'not trusted server certificate' than display warning, inform user that certificate is not trusted and ask if he wants to add this one to the keystore (webbrowser works this way). But I've no idea how to get certificate from the server and add to keystore.

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Getting Error - Not Trusted Sever Certificate?

Feb 27, 2013

I'm currently trying to write a basic program that can parse json code which is generated by a php file saved on a server. The server is a HTTPS sever and I'm getting the following error.

I know where to get the ssl certificate for the server but even with it installed on my machine (on which i test the code on an emulator) , I still get the following error: not trusted server certificate

Is there any way I can get the app to trust the sever specifically or get the app to trust all servers regardless of certificates.

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HTC EVO 4G :: Trusted Certificate Error On Exchange 2007 Road Runner Account

Jul 15, 2010

I have a Small Business 2008 Server at home with Exchange 2007 tied to my RoadRunner account. Setting up my new EVO to use Exchange a month ago was a breeze and I haven't had any problems with it until this morning.

When I turned my phone on, I kept getting a trusted certificate error over and over. I am using a self-signed certificate on my server -- which I thought would give me a problem when I initially configured it, but it didn't. I was expecting to have to install the certificate manually.

After a few minutes, the message went away and I started receiving mail again. I haven't done anything major on the phone that might cause that, like installing an update.

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Android :: Client Certificate Authentication For Ssl / Https Connection

Feb 23, 2010

I want to connect to a server using ssl/https connection. During handshake between client and the server, I want to have server certificate authentication as well as client certificate authentication. The server certificate authentication is successful. But I don't know how to send client certificate to server for authentication, during the handshake.

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HTC Magic :: MS Exchange Sync - Self Signed Root Certificate?

Jun 22, 2009

I just got my new HTC Magic ?Maybe a very cool phone? I have a serious problem that I hope someone can help me with or maybe lead me in some direction. I want to sync with my companies Exchange server (exchange 2007) but every time I try I get this error message: ?Error: failed to create account. Please try again later? any ideas? I have been searching the web for a week now ? but no luck. Maybe the problem is related to a certificate problem since we are using a self-signed root certificate and I am not able to import it (like on a Iphone or MS WinMoblie) Maybe someone knows how to import a root-certificate?

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Android :: Android - How To Share Code Between Projects Signed With Same Certificate

Apr 27, 2010

In Android documentation concerning code signing we can read: "By signing multiple applications with the same certificate and using signature-based permissions checks, your applications can share code and data in a secure manner." How exactly such code sharing can be done? Is it possible to release main application and multiple exchangeable plugins then discover them at runtime? What does source code looks like and what are advantages over "standard" intents calls from/to different APK packages?

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Android :: How To Enable Self Signed Certificate For SSL Sockets On Android?

Jul 16, 2010

I have a self signed server certificate (cert.pem) and need to enable it for SSL sockets in an Android application. Ideally I'd like to package the code as .jar file and not need an external certificate file (i.e. include it into the code). With this code I can accept all certificates, which is not what I want: SSLContext sc = SSLContext.getInstance("TLS"); sc.init(null, new TrustManager [] { new MyTrustManager() }, new SecureRandom());

Do I need to add the certificate to a custom KeyManager or the custom TrustManager? One problem I've encountered is that Android does not accept JKS keystores (KeyStore.getDefaultType() returns "BKS"): " KeyStore JKS implementation not found"

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Android :: Accepting Certificate For HTTPs On Android

Jan 6, 2010

I'm trying to make Https connections on the Android phones, using HttpClient. Trouble is that since the certificate isn't signed I keep getting " Not trusted server certificate". Now I've seen a bunch of solutions where you simply accept all certificates, but what if I want to ask the user? I want to get a dialog similar to that of the browser, letting the user decide to continue or not. Preferably I'd like to use the same certificatestore as the browser.

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Android :: New Certificate For Apk

Feb 23, 2010

I do not have the keystore that I used when I first created the app and I am wondering if I can create a new certificate using the same details that I used to create the earlier certificate. I have the details available with me.If I do so and update the app using this certificate, will the users get an update notification on their device?

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Android :: SSL Certificate HTTPClient

May 28, 2009

I had configure a Tomcat webserver with SSL and client autification. So I need a clienKey.p12 File to visit the site. If I import the key into Firefox, it works fine.

So I tried to develop a Client from "normal" Java. That works:


Now I try to develope a Client into Android and I am getting crazy....

Here my two Android implementation:


I always geht the following Exception:


But the key is the same that I use for the "normal" java Client and for the import into firefox. So the key is valid. But it is signed by me... I don't want to sign it by a commercial Company like verisign.

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Android : How To Sign An APK With More Than One Certificate?

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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Android : Can I Resign An .apk With A Different Certificate?

Jul 16, 2010

If I have an apk can I remove the current signing and some how resign it with a different .keystore file and still have the application install?

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Android :: How To Get MD5 Fingerprint Of App Certificate Through Code?

Mar 30, 2010

I'd like to be able to get the MD5 fingerprint of the certificate associated with my app (regardless of whether it's the debug cert or the release cert). You're probably aware that in order to get a Google Maps API key, you need to provide them with the certificate fingerprint of your app so that they can match the key with the fingerprint when you use it so as to ensure it's "really you". I've got a similar situation in which I'd like to make requests against a URL (my server) and would like to pass my app's fingerprint as part of the request. I've got no clue which classes I should be looking at.

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Android : How To Create A X509 Certificate?

Nov 17, 2010

Is there any way to create an X509 certificate on the android device?

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Android :: Installing New Root CA Certificate From Application

Sep 14, 2010

My application redirects its users to a known domain ( that its root certificate doesn't exist on Android devices. Normal PC browsers have no problem accessing the site, but Android browser displays to the user that the certificate is untrusted. I don't want that behavior, not even once, so I'm looking for a way to install this certificate on the device from my app.

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Android :: How To Sign .apk File With System Certificate?

Apr 15, 2009

I have an application that I want to be able to use the userid: android:sharedUserId="android.uid.system", I need to sign the .apk file with the same certificate as the built in system applications, such as the 'Settings' application. I've located the keystore file in my build directory which is: cacerts.bks, and I have the password for this. What I seem to be missing in order to sign my .apk file is the alias fo the keystore. Does anyone know what the alias is? Or is there an easier way to do this that I'm missing.I know this not a standard thing to do, and is perhaps a hack, but I have a client requirement to meet.

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Android :: Way To Get MD5 Fingerprint Of Certificate For Google Maps API?

Nov 13, 2010

keytool -list -alias androiddebugkey -keystore ~/.android/debug.keystore. -storepass android -keypass android I'm not sure how I can sign my debugkey so that I can use Google Maps. I have verified in Eclipse that this is where my debugkey is stored.

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Android :: App Name Shows Birth Certificate Name / Change It?

Dec 8, 2009

I just published my first application to the market and the "Just in" display show my icon and app name, but under the app name is shows my birth certificate name! How can I change this? Is it something I am missing in my manifest? I'm sure my mom would it; but me -- not so much.

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Android : Way To Force Droid To Regenerate Either Certificate?

Sep 19, 2009

My debug.keystore certificate has expired. Does anyone know how to force Android to regenerate either certificate or the whole directory under

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Sign 2 APKs With Same Certificate

Aug 27, 2013

Reason is i have an apk which works as an installer. When the user installs and opens it, it prompts the user to install another apk (drm free) which was inside the installer apk. However, after signing and zipaligning both with APK Signer tool and Private keys i get this error when installing: an existing package by the same name with a conflicting signature is already installed

basically, both the apk (installer) and apk (theme) have the same package name. When the apk (theme) is installed, it should overwrite the apk (installer).

I think both the installer apk and theme apk should have the same certificates in order to overwrite each other, but i don't know how.

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Android :: Accessing APK Signing Certificate From Inside Program

Oct 7, 2010

I've posted this on Android Security as well, but that group does not appear to have as much activity. Actually I guess my question belongs in this group anyway, even though it touches on some of the security aspects of android packages. My goal is to access the certificate that was used to sign the apk package; and ordinarily, I would do that from inside the program like this

Certificates[] signingCertificates = getClass().getProtectionDomain().getCodeSource().getCertificates();
Unfortunately it appears that getProtectionDomain() returns null on android - according to the specs

This method might return null (to converse space?) but only for system classes. Since I'm calling this from one of my own classes, I would expect to get a non-null value, but unfortunately not. I have tried from the emulator, and from an application deployed on my phone using adb through a USB cable. I'm using the latest SDK (2.2) and targeting android 1.6. So I guess I have two questions, the first being: why does getProtectionDomain return null, and have anyone had any success using this method from inside an android application. And the second: Is there some other way to access the certificate that a given apk package was signed with (I can live with the restriction that only a given package can know its own certificate).

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HTC Incredible :: Installing Root Certificate

Apr 29, 2010

I'm having some issues getting a certificate to install for my wireless network. I have the cert on the root of the SDcard I set the credential storage password in the security settings. And I try to install the certificate and ti says the password is not correct.

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HTC Desire :: Installing CA Certificate For IPSec VPN

May 5, 2010

I am having trouble installing a CA certificate on my Desire which I need to get access to my company's IPSec VPN.I understand the proper way to do this is to pack user certificate, user key and CA certificate into a single PKCS12 file, put it on the SD card and use the built-in certificate installation tool to unpack and install the certificates.I have my user cert and key packed into a single PEM file and the CA in a separate CRT file.However, when installing the p12 file on the Desire from the SD card, it only installs the user cert and key, ignoring the CA certificate. Thus, I can't set up an IPSec VPN.I also tried putting the CA crt file on a web site and installing it using the browser, but the browser thinks is is a user certificate rather than a CA cert and installs it as such. Is this a bug, or am I doing something wrong? Did anyone even manage to get this to work? Any suggestions would be much appreciated. I already mailed HTC support a few days ago, but didn't get an answer do far.

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