diff --git a/otgc/build.gradle b/otgc/build.gradle
index 78604feb710d75d7be6d3d6c48bb22844f267996..3210a6641444e3ef455976581408caaf4dbf79aa 100644
--- a/otgc/build.gradle
+++ b/otgc/build.gradle
@@ -30,7 +30,7 @@ android {
         minSdkVersion 21
         targetSdkVersion 28
         versionCode 13
-        versionName "2.5.0"
+        versionName "2.6.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         compileOptions {
diff --git a/otgc/src/main/java/org/openconnectivity/otgc/data/repository/IORepository.java b/otgc/src/main/java/org/openconnectivity/otgc/data/repository/IORepository.java
index d8fa8cb98d081815aa3f0be05c3a43b7e57d19f9..c98c061b0d8eb6a2a20791949bb9e1e43b749fac 100644
--- a/otgc/src/main/java/org/openconnectivity/otgc/data/repository/IORepository.java
+++ b/otgc/src/main/java/org/openconnectivity/otgc/data/repository/IORepository.java
@@ -154,6 +154,15 @@ public class IORepository {
         });
     }
 
+    public Single<X509Certificate> getFileAsX509Certificate(InputStream is) {
+        return Single.create(emitter -> {
+            Security.addProvider(new BouncyCastleProvider());
+            CertificateFactory factory = CertificateFactory.getInstance("X.509", BouncyCastleProvider.PROVIDER_NAME);
+            X509Certificate caCert = (X509Certificate) factory.generateCertificate(is);
+            emitter.onSuccess(caCert);
+        });
+    }
+
     public Single<byte[]> getBytesFromFile(String path) {
         return Single.fromCallable(() -> {
             byte[] fileBytes;
diff --git a/otgc/src/main/java/org/openconnectivity/otgc/domain/usecase/trustanchor/StoreTrustAnchorUseCase.java b/otgc/src/main/java/org/openconnectivity/otgc/domain/usecase/trustanchor/StoreTrustAnchorUseCase.java
index 4071cf1638804ef77a0f9414a25653e961c381aa..0ed549cc875249994e3d88c6a546fb01d37af818 100644
--- a/otgc/src/main/java/org/openconnectivity/otgc/domain/usecase/trustanchor/StoreTrustAnchorUseCase.java
+++ b/otgc/src/main/java/org/openconnectivity/otgc/domain/usecase/trustanchor/StoreTrustAnchorUseCase.java
@@ -19,11 +19,12 @@
 package org.openconnectivity.otgc.domain.usecase.trustanchor;
 
 import io.reactivex.Completable;
-import org.iotivity.OCPki;
 import org.openconnectivity.otgc.data.repository.CertRepository;
 import org.openconnectivity.otgc.data.repository.CmsRepository;
 import org.openconnectivity.otgc.data.repository.IORepository;
 
+import java.io.InputStream;
+
 import javax.inject.Inject;
 
 public class StoreTrustAnchorUseCase {
@@ -41,8 +42,8 @@ public class StoreTrustAnchorUseCase {
         this.cmsRepository = cmsRepository;
     }
 
-    public Completable execute(String path) {
-        return ioRepository.getFileAsX509Certificate(path)
+    public Completable execute(InputStream is) {
+        return ioRepository.getFileAsX509Certificate(is)
                 .flatMap(certRepository::x509CertificateToPemString)
                 .flatMapCompletable(cmsRepository::addTrustAnchor);
     }
diff --git a/otgc/src/main/java/org/openconnectivity/otgc/view/trustanchor/TrustAnchorActivity.java b/otgc/src/main/java/org/openconnectivity/otgc/view/trustanchor/TrustAnchorActivity.java
index 17a933d28ae5bbf8f19662a5dd5b21a967b54cb5..2b301866c6e8ebdad7c6e46425643c4ee1f9ce07 100644
--- a/otgc/src/main/java/org/openconnectivity/otgc/view/trustanchor/TrustAnchorActivity.java
+++ b/otgc/src/main/java/org/openconnectivity/otgc/view/trustanchor/TrustAnchorActivity.java
@@ -42,7 +42,6 @@ import com.google.android.material.floatingactionbutton.FloatingActionButton;
 
 import org.openconnectivity.otgc.R;
 import org.openconnectivity.otgc.domain.model.resource.secure.cred.OcCredential;
-import org.openconnectivity.otgc.utils.FilePath;
 import org.openconnectivity.otgc.utils.di.Injectable;
 import org.openconnectivity.otgc.utils.view.EmptyRecyclerView;
 import org.openconnectivity.otgc.utils.viewmodel.ViewModelError;
@@ -50,12 +49,16 @@ import org.openconnectivity.otgc.viewmodel.TrustAnchorViewModel;
 import org.spongycastle.jce.provider.BouncyCastleProvider;
 import org.spongycastle.util.encoders.Base64;
 
+import java.io.BufferedReader;
 import java.io.ByteArrayInputStream;
+import java.io.IOException;
 import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.security.Security;
 import java.security.cert.CertificateFactory;
 import java.security.cert.X509Certificate;
 import java.text.SimpleDateFormat;
+import java.util.Objects;
 
 import javax.inject.Inject;
 
@@ -98,8 +101,13 @@ public class TrustAnchorActivity extends AppCompatActivity implements Injectable
             Uri uri = null;
             if (resultData != null) {
                 uri = resultData.getData();
-                String path = FilePath.getPath(this, uri);
-                mViewModel.addTrustAnchor(path);
+                try {
+                    mViewModel.addTrustAnchor(getContentResolver().openInputStream(uri));
+                } catch (Exception e) {
+                    int errorId = R.string.trust_anchor_create_error;
+                    Toast.makeText(this, errorId, Toast.LENGTH_SHORT).show();
+                }
+
             }
         }
     }
diff --git a/otgc/src/main/java/org/openconnectivity/otgc/viewmodel/TrustAnchorViewModel.java b/otgc/src/main/java/org/openconnectivity/otgc/viewmodel/TrustAnchorViewModel.java
index 3f11fbc5950ffea541acb9e6b0db43029e6fbbd0..7849c2ce9af96f64213196da4ddf5ece69117eac 100644
--- a/otgc/src/main/java/org/openconnectivity/otgc/viewmodel/TrustAnchorViewModel.java
+++ b/otgc/src/main/java/org/openconnectivity/otgc/viewmodel/TrustAnchorViewModel.java
@@ -14,7 +14,7 @@ import org.openconnectivity.otgc.utils.rx.SchedulersFacade;
 import org.openconnectivity.otgc.utils.viewmodel.ViewModelError;
 import org.openconnectivity.otgc.utils.viewmodel.ViewModelErrorType;
 
-import java.io.File;
+import java.io.InputStream;
 
 import javax.inject.Inject;
 
@@ -85,8 +85,8 @@ public class TrustAnchorViewModel extends ViewModel {
             ));
     }
 
-    public void addTrustAnchor(String path) {
-        disposable.add(storeTrustAnchorUseCase.execute(path)
+    public void addTrustAnchor(InputStream is) {
+        disposable.add(storeTrustAnchorUseCase.execute(is)
             .subscribeOn(schedulersFacade.io())
             .observeOn(schedulersFacade.ui())
             .subscribe(