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

Android :: ssl.SSLException Not trusted server certificate http client


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 :: 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 :: Javax.net.ssl.SSLException - Not Trusted Server Certificate

Sep 25, 2010

I access asp.net web service..! My web service name is "https://192.168.1.2/Sample/service.asmx" But it will show the following Exception "javax.net.ssl.SSLException: Not trusted server certificate" This is my code...............

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Android :: Javax.net.ssl.SSLException - Not Trusted Server Certificate - Exception In Android

Jun 16, 2010

I am getting "javax.net.ssl.SSLException: 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 :: 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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Android : Code For Simple Client Server Http Communication?

Aug 29, 2009

I am new to android development

can u give anybody .....code for simple client server http communication. i don't know how these client interact with server....

can u tel me the steps for this network concept...how we send the url connection to the serve..

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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:

javax.net.ssl.sslexception: 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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Samsung Galaxy S :: Unable To Add My Server To Trusted List / Way To Do

Jul 26, 2010

I am trying to setup my email app but it won't let me pass the setup screen because it says that my server is not a trusted one. This is because of the certificate that is instaled on my server. On my desire I could click on continue but on the galaxy it won't let me go any further and it returnes me to the setup screen. Please help me find a way to add my server to the trusted list.

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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 :: User Agent In Http Client?

Mar 12, 2010

I building an Https Client to send some data to a server, but I don't know what to pass in User-Agent. Should I use the webkit one's or do I have to build one explicitely for my App?

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Android :: HTTP Response 411 Length Required - Client 4.0.1

Jul 8, 2010

i'm sending an http request to the google reader api and getting an unusual response code. following the documentation, i've requested an auth code and included it in the header of every request. after performing the login, and getting an auth code, i tried accessing this url, which is part of the documentation: http://www.google.com/reader/api/0/stream/items/contents when i send the request, i get a 411 status code, which is supposed to mean "Length Required". the length, as i've found, is supposed to be the length, in octets, of the message body. there is no message body in this request. there is only a single header, the POST parameter i="item id" and the URL itself. i tried setting the "Content-Length" header to "0" and also to "-1" to no avail. what's really interesting is that this same code worked fine before google changed their authorization procedure. it's apparent they've changed something else. so my question is what EXACTLY would cause a 411 response code and how can i prevent it?

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Android :: Saving CookieStore In Http Client Service

Feb 9, 2010

I have a Service for my Android app that performs HTTP calls. The Service stores cookies in a CookieStore. I am trying to find a way to persist the CookieStore but I haven't been successful. I don't want the user to log in every time to receive a new CookieStore.

I tried to use SharedPreferences to store the CookieStore as a string, but I can't re-construct the CookieStore with a String.

Has anyone else had success in persisting a CookieStore?

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Android :: Sending Serialized Object To Servlet Using HTTP Client

Jan 5, 2010

I have tried to create a android application that sends a serialzed object from the phone to a servlet the contents of the object is the input from the user which i will store in a database using hibernate.

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Android : Need Http Client POST - Null Pointer Exception

Aug 22, 2010

I am new to Android development since my EVO purchase a few months ago. Anyway, I am developing my first Android app using Eclipse and Android SDK emulator. I am trying to do a simple HTTP POST. My real code has my login information hard coded in so I replaced it with test information and I changed the url as well to simply POST to google.com. I am getting a NullPointerException when trying to view the HTTP POST request response. I have added the internet permissions to my manifest xml file as well. Code...

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Android :: Apache Http Client Producing CertPath Validator Exception

Nov 6, 2010

I'm developing an Android application for accessing some battle.net (https://eu.battle.net) account data (for World of Warcraft) and I'm using the org.apache.http.client.HttpClient to do so. This is the code I'm using: public static final String USER_AGENT = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8 (.NET CLR 3.5.30729)"; public static class MyHttpClient extends DefaultHttpClient { final Context context; public MyHttpClient(Context context) { super(); this.context = context; }@Override protected ClientConnectionManager createClientConnectionManager() { SchemeRegistry registry = new SchemeRegistry(); registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); // Register for port 443 our SSLSocketFactory with our keystore // to the ConnectionManag registry.register(new Scheme("https", newSslSocketFactory(), 443));......

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Android :: What Version Of Apache HTTP Client Is Bundled / Need Separate Project To Run

Apr 11, 2010

I want to have a separate project that runs my server communication code in a normal JVM for the purposes of integration testing. This code uses these libraries which are build into the Android Framework...

http://developer.android.com/reference/org/apache/http/client/package-summary.html

Does anybody know what version of Apache HTTP Client this is supposed to be? I want to run it without the Android tests which are painfully slow.

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Android :: Project Using Httpclient - Http.client - Apache - Post/get Method

May 17, 2009

I'm doing a Get and Post method for an android project and I need to "translate" HttpClient 3.x to HttpClient 4.x (using by android).

My problem is that I'm not sure of what I have done and I don't find the "translation" of some methods...

This is the HttpClient 3.x I have done and (-->) the HttpClient 4.x "translation" if I have found it (Only parties who ask me problems) :

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

I don't know if that is correct. This has caused problems because the packages are not named similarly, and some methods too. I just need documentation (I haven't found) and little help.

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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 :: Authenticating App With Http Server?

Jul 19, 2010

I wonder if it's possible to authenticate an app with a http server. THe server API does not require user name or password, but I'd like to expose the server API to a particular app only (so that it cannot be abused by other program). At this point I think it's impossible but figure it won't hurt to ask.

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Android :: Http Server At Localhost ?

Sep 3, 2009

Is it possible to do something like WebView#loadUrl("http://10.0.0.2/ index.html") with service acting as local http server? Where would one start? Will I need at least partial http server implementation that would listen on the socket?

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Android :: How To Send Url To Server Using Http Get Method

Sep 2, 2009

How to send the Url to the server using Http Get method...Here i m trying to insert a name into the databse .If i execute the below showing code there it tells "Connection to http:localhost refused " I think the error is is in the Http method..how to Correct it....

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

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Android :: Client Server Setup

May 23, 2010

I'm new to android application development.I want to transfer the data between the client and the server.. As of my knowledge for transferring the data from client to server we use HttpClient protocol.Is this protocol is same as REST web services?If i want to send the data in the form of JSON format,then what are the necessary steps that i need to follow?And on the server side what are the steps to receive and parse the data?

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Android :: How To Do Client Server Communication?

Jul 3, 2009

I want to send and receive information between Emulators in Android.i am using two systems and i have installed android in both the systems and i have to consider one emulator as server and another as client.Now i want to send data from one to another.Anyone knows regrading this please help me with some sample code.

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Android : Server / Client In Different Machines?

Apr 7, 2009

I have an application client/server and I want to install this application in differente machines. The server is located in IP_SERVER, listening port 7000. I want to start a cliente in another machine with IP_Y and connect to the server on the different machine.

I've started the server and I've created the socket like this: ... new ServerSocket(7000);

I've started the client and I've created the socket like this: ...new Socket(SERVER_IP, 7000)

But the client did not connect to the server. I've already set the INTERNET_PERMISSION. Any suggestions how to do it? Anybody else have already done a client/server application that communicate between different machines?

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Android :: How To Read Values From Server Using Http GET Method?

Aug 29, 2009

how to read values from the server using Http GET method.whenever i m passing the url to the server it returns same url in the textview.i think i commited mistake in http connection using GET method..would u tel me pls how it is?

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Android :: Doing Broadcasts With HTTP Server Push Over WiFi?

Apr 2, 2010

We are designing a system with a PC base station and 100 Android mobiles communicating over WiFi. They will use XLM-RPC as the method of mobile to base station communication. However, sometimes the base station needs to broadcast a message to all mobiles. Should we use "http server push" for this, i.e., have the base station leave the connections open to all the mobiles? Is there a better way? Publish-subscribe is possible, but doesn't seem mature on Android yet.

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Android :: Uploading Bitmap To Server With Http Protocol

Jul 8, 2010

i have a camera Activity after which i take a picture and saving it to gallery and uploading to the server My upload code is not working, i need help on this? // image capture
Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
startActivityForResult(intent, 0);
//image Saving
if (requestCode == 0 && resultCode == RESULT_OK)
{ Bundle extras = data.getExtras();
Bitmap b = (Bitmap) extras.get("data");
ImageView mImg;
mImg = (ImageView) findViewById(R.id.head);
mImg.setImageBitmap(b);
// save image to gallery
Shot = "HeadShot"; //Long.toString(System.currentTimeMillis());
MediaStore.Images.Media.insertImage(getContentResolver(), b, Shot, NAME);
//Upload to the server public void Upload(String url, HttpEntity imgdata) throws Exception, Exception {
DefaultHttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost(url);
post.setHeader("Content-Type", "bitmap; charset=utf-8");
post.setURI(new URI(url));
post.setEntity(imgdata);
HttpUriRequest request = post;
HttpResponse response = client.execute(request);
HttpEntity entity = response.getEntity();
return entity.getContent();

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