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Message 1 of 2

Enable tls 1.2 Android 4.X - Xamarin Android -

I need to enable the TLS 1.2 on devices before 5.0 version. I implemented the TLSSocketFactory:

TlSSocketFactory implementation

and I implemented the AndroidCustomClientHandler

AndroidCustomClientHandler

My request to the server is:

_client.SendAsync(aRequest, cancellationToken.Token);

the aRequest is type of HttpRequestMessage.

i receive an exception:

Javax.Net.Ssl.SSLHandshakeException: 
java.security.cert.CertPathValidatorException: Trust anchor for ` . 
certification path not found. --->` 
Java.Security.Cert.CertificateException: 
java.security.cert.CertPathValidatorException: Trust anchor for certification path not found. ---> Java.Security.Cert.CertPathValidatorException: Trust anchor for certification path not found.
   --- End of inner exception stack trace ---
   --- End of inner exception stack trace ---  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <f32579baafc1404fa37ba3ec1abdc0bd>:0 
  at Java.Interop.JniEnvironment+InstanceMethods.CallVoidMethod (Java.Interop.JniObjectReference instance, Java.Interop.JniMethodInfo method, Java.Interop.JniArgumentValue* args) [0x00069] in <7802aa64ad574c33adca332a3fa9706a>:0 
  at Java.Interop.JniPeerMembers+JniInstanceMethods.InvokeAbstractVoidMethod (System.String encodedMember, Java.Interop.IJavaPeerable self, Java.Interop.JniArgumentValue* parameters) [0x00014] in <7802aa64ad574c33adca332a3fa9706a>:0 
  at Javax.Net.Ssl.HttpsURLConnectionInvoker.Connect () [0x00000] in /Users/builder/data/lanes/5945/dffc5912/source/monodroid/external/xamarin-android/src/Mono.Android/obj/Release/android-26/mcw/Javax.Net.Ssl.HttpsURLConnection.cs:417 
  at Xamarin.Android.Net.AndroidClientHandler+<>c__DisplayClass42_0.<ConnectAsync>b__0 () [0x0005a] in /Users/builder/data/lanes/5945/dffc5912/source/monodroid/external/xamarin-android/src/Mono.Android/Xamarin.Android.Net/AndroidClientHandler.cs:308 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <f32579baafc1404fa37ba3ec1abdc0bd>:0 
  at System.Threading.Tasks.Task.Execute () [0x00010] in <f32579baafc1404fa37ba3ec1abdc0bd>:0 
--- End of stack trace from previous location where exception was thrown ---  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <f32579baafc1404fa37ba3ec1abdc0bd>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x0003e] in <f32579baafc1404fa37ba3ec1abdc0bd>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in <f32579baafc1404fa37ba3ec1abdc0bd>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in <f32579baafc1404fa37ba3ec1abdc0bd>:0 
  at System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter.GetResult () [0x00000] in <f32579baafc1404fa37ba3ec1abdc0bd>:0 
  at Xamarin.Android.Net.AndroidClientHandler+<DoProcessRequest>d__44.MoveNext () [0x000e4] in /Users/builder/data/lanes/5945/dffc5912/source/monodroid/external/xamarin-android/src/Mono.Android/Xamarin.Android.Net/AndroidClientHandler.cs:357 

How can I solve the problem?? Many Thanks.

1 Reply
Community Manager
Message 2 of 2

Re: Enable tls 1.2 Android 4.X - Xamarin Android -

Hi @domdp16,

 

This post was moved to a different board that fits your topic of discussion a bit better. This means you’ll get better engagement on your post, and it keeps our community organized so users can more easily find information.

 

As you’ll notice, your topic is now here in the Project Development Help and Advice board. No action is needed on your part; you can continue the conversation as normal here.

 

Cheers!

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