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.

Android :: client certificate authentication for ssl / https connection


Android : Trouble Making Https Connection To Server - With Password Authentication

Oct 11, 2009

I'm having trouble making https connection to the server , with password authentication. What is the simplest & recommended way to do it ?

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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......................

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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 :: HTTPS Authentication Over WiFi Using HttpClient 4

Jul 9, 2009

I have Android pet-project DroidIn which utilizes HttpClient 4 (built into Android) to do some form based authentication. I started noticing that people who are using WiFi are reporting connection problems. It also doesn't help that site I'm accessing has self-assigned certificate. Well - the question is (I'm quite vague on WiFi details) If WiFi at the hotspot doesn't support HTTPS would that be a good enough reason for connection to fail and is there anything that I can do beside proxying into another appserver using HTTP which then would call HTTPS site?

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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 "javax.net.ssl.SSLException: 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 stackoverflow.com, 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 :: 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 "javax.net.ssl.SSLException: 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 :: SSL Client Authentication

Mar 11, 2009

I am new on SSL programming. The Android app I am developing needs to open an SSL socket to a secure server which requires the client authentication. When running on the Emulator and trying to talk to a Server running on the host PC, the following Android code snippet always gives me a SocketException at the line, SSLSocket c = (SSLSocket) f.createSocket(hostName, 8888) :

private void openSslClient(String hostName) { try { KeyStore keyStore = KeyStore.getInstance (KeyStore.getDefaultType()); InputStream fis = this.getAssets().open("client.bks"); keyStore.load(fis, "clientjks".toCharArray());

KeyManagerFactory kmf = KeyManagerFactory.getInstance ("X509");
kmf.init(keyStore, "clientkey".toCharArray());
TrustManagerFactory tmf = TrustManagerFactory.getInstance ("X509");..............

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Android :: Droid Supports Https Client / Sample Code For It?

Nov 29, 2009

Is android supports https ?

Objective: Sending a xml file over https to a web server. The GET and POST is working fine with HTTP, but i don't have any idea regarding https.

It will be great if some sample code can provide me...

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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 :: How To Create BKS - BouncyCastle - Format Java Keystore That Contains A Client Certificate Chain

Oct 31, 2010

I'm writing an Android app that requires SSL client authentication. I know how to create a JKS keystore for a desktop Java application, but Android only supports the BKS format. Every way I've tried to create the keystore results in the following error:
handling exception: javax.net.ssl.SSLHandshakeException: null cert chain

So it looks like the client is never sending a proper certificate chain, probably because I'm not creating the keystore properly. I'm unable to enable SSL debugging like I can on the dekstop, so that's making this much more difficult than it should be.

For reference the following is the command that IS working to create a BKS truststore:
keytool -importcert -v -trustcacerts -file "cacert.pem" -alias ca -keystore "mySrvTruststore.bks" -provider org.bouncycastle.jce.provider.BouncyCastleProvider -providerpath "bcprov-jdk16-145.jar" -storetype BKS -storepass testtest

Here is the command I've tried that is NOT working to create a BKS client keystore:

CODE:.........................

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Android :: Https Connection

Jun 15, 2009

I am doing a https post and I'm getting an exception of ssl exception Not trusted server certificate. If i do normal http it is working perfectly fine. Do I have to accept the server certificate somehow?

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Android :: HTTPS Connection To Exactly One Site

Jan 18, 2010

I'm creating an app for the Android platform which will connect with just one site using HTTPS. It is essential that it won't be able to connect to any other sites, even with valid SSL certificates. I want it to be resistant to every form redirection (for example to site pretending to be the one I need to connect with) or other "attacks". Unfortunately I cannot find any good tutorial about SSL in Android.Do you know any? I'd be grateful for some links or advices. Or maybe could you give me some code snippets? My app is prepared to use HttpURLConnection or HttpClient - it makes no difference which path will I choose.

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Android :: Slow Reading From HTTPs URL Connection

Mar 28, 2009

So I have the following code.
StringBuilder sb = new StringBuilder(4096);
while (true) { int i = in.read(); if (i == 0) break;
else if (i == -1) throw new EOFException();
sb.append((char)i); }
What I see (with thousands of times run) is that this code takes about 1ms for every 7-10 bytes read. So reading just 10k takes almost a second!

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Android :: How To Get Connection Factory Client?

Feb 19, 2009

I guess it is a old issue, and I have googled the related message in the group, and I think I do not miss anything: 1. I made the MD5 fingerprint of the SDK debug dertificate by keytool, and I applied the maps api key, refer to //code.google.com/android/ toolbox/apis/mapkey.htm 2. I added the apikey into my layout xml; 3. I added <uses-library android:name="com.google.android.maps"/> into my manifest xml;
but I still met this error, btw ,I have set the http_proxy in setting table, and I can use browser to visit network. has somebody succeeded to get a map on emulator other than device? could you give me some tips about it?

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Android :: Couldn't Get Connection Factory Client / How Come That Happens?

Feb 4, 2010

This is so wierd, i got this error: ERROR/MapActivity(258): Couldn't get connection factory client

everything worked fine, it's all of a sudden, how come that happens?
i know my api key is fine, coz one month Ive been using it perfectly.
how come all of a sudden it doesn't show me up the map activity, and posting that error in the logcat?

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Android :: Client And PC Server (JAVA) Can't Open TCP Connection

Jun 21, 2010

I'm trying to open tcp connection between android (emulator) and PC. I'm trying to create a new socket and then it crash. the line where it crash: Socket s = new Socket("10.0.2.2", 27015);

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Android :: Need Server Client Connection Code In Application

Jul 27, 2010

i am new to android and need simple http connection codes for client server(local server in the network) communication in android application.the connection starts when the application is started and if there is any update in the server it should be notified on the client and the server response must be based on the client request.

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General :: Android Studio - ADB Rejected Connection To Client

Jun 5, 2013

debugging an application from the new enviroment Android Studio. When i press the debug logo, it installs on my device successfully, however i get this message constantly from the ADB Log (DDMS): "DeviceMonitor: Adb rejected connection to client '19322': closed" thus i cannot debug.

I have tried rebooting PC and rebooting device several times.I'm running Avast AntiTheft which has an option to prevent USB debugging, but that one is disabled.

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General :: ADB Rejected Connection To Client

Sep 26, 2012

I have a nasty problem with the adb and my Galaxy Nexus (CM10 nightly-20120926). The ADB seems not to work properly. Every time I start my app within Eclipse it gets installed on my Galaxy Nexus and the LogCat window show some output. So far so good. But suddenly ADB stops writing messages and the "Console" windows shows a lot of messages like:

Code:
[2012-09-26 21:01:15 - DeviceMonitor] Adb rejected connection to client '2930': closed
[2012-09-26 21:01:15 - DeviceMonitor] Adb rejected connection to client '2459': closed
[2012-09-26 21:01:15 - DeviceMonitor] Adb rejected connection to client '2459': closed
[2012-09-26 21:01:17 - DeviceMonitor] Adb rejected connection to client '2610': closed
[2012-09-26 21:01:17 - DeviceMonitor] Adb rejected connection to client '3079': closed

[Code .......

From now on the ADB does not output messages any longer. I have to reconnect my Galaxy Nexus to my USB-Port to restart the debugging.

And some messages I generate by using "System.out.println();" are never displayed also!

My onCreate() method looks like

Code:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
System.out.println("ON_CREATE!");
[...]

But "ON_CREATE" will never be displayed!!

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General :: Set Up VPN Connection Between Linux Mint 10 PC (server) And Nexus 7 (client)

Dec 1, 2012

I'm trying to set up a VPN connection between a Linux Mint 10 PC (server) and a Nexus 7 (client).

All I'm getting so far is a "Connecting" status from the Nexus 7, followed after a few seconds by a "Disconnected" one.

As it is my first attempt at setting up a VPN (both on the server and client sides) I was wondering if there was a log file generated by Android on the Nexus that would give me a clue as to where I'm going wrong.

A similar file on the server side

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HTC Droid Eris :: Mail Client Or Gmail Client

Nov 16, 2009

Question about Gmail on the Eris Droid.

Has anyone noticed a difference in settings, functionality, or battery life by using the integrated Gmail client as compared to using the Other e-mail which uses an IMAP client??

You set this up at initial startup.

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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 :: HttpClient And HTTPS?

Apr 8, 2010

I'm new to implementing HTTPS connections in Android. Essentially, I'm trying to connect to a server using the org.apache.http.client.HttpClient. I believe, at some point, I'll need to access the application's keystore in order to authorize my client with a private key. But, for the moment, I'm just trying to connect and see what happens; I keep getting an HTTP/1.1 400 Bad Request error.

I can't seem to make heads or tails of this despite many examples (none of them seem to work for me). My code looks like this (the BODY constant is XmlRPC):

CODE:.......................

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Android :: Using Ksoap2 Via Https?

Feb 11, 2010

Has any one been able to connect to a soap server using ksoap2 android via https?

I keep getting the error that "Hostname <###>was not verified"

CODE:..........

Apparently looking back at other ksoap which isn't for android your ment to us a different call to connect via https, but i can't find a way to do it in the android version.

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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:

CODE:..........

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

Here my two Android implementation:

CODE:...........

I always geht the following Exception:

CODE:................

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 :: Get Image Source From HTTPs URL?

Nov 11, 2010

I am trying to get an image from a https url but it doesn't seem to display and get the image correctly but works fine on my computer browser. I have tested out a http url pointing to a different image and it works fine. My code is below:

public Bitmap getContactPhoto(String url) {
Bitmap pic = null; try { pic = BitmapFactory
.decodeStream((InputStream) new URL(
"https://mail.google.com/mail/photos/static/AD34hIjbK2m-Lj333E4nBcCkBC3MYl2tTs0xizuSqUOP3-Jd6DOrpFg1M5HG8jXh0MuPbeFepInZZDu92Dx8ST4b59EbOKmfYTortuuO3P1_Ohyu7b7a3gc")
.getContent()); } catch (MalformedURLException e) {
// TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) {
// TODO Auto-generated catch block e.printStackTrace(); } return pic; }

Here is the code from the activity class that calls the method above:
private ImageView mContactPhoto; private ContactDetailsViewHelper mViewHelper;
mContactPhoto = (ImageView) findViewById(R.id.contact_photo);
mViewHelper = new ContactDetailsViewHelper(mContext);
mContactPhoto.setImageBitmap(mViewHelper.getContactPhoto(mDetail.getImageRef()));
ignore the mDetail.getImageRef, that passes the real url value but for this case I tried hard coding the url as you can see from the getContactPhoto method.

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Android :: How To Track All Https Requests?

Apr 12, 2010

How to collect URLs of all http/https requests made by the phone as well as well as the return status code and user agent from the headers. This information should be coming for all browser requests and other applications too.Please let me know this information can be retrieved on App level or we have to go to system level for this.

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