3 files changed, 24 insertions, 0 deletions
diff --git a/src/eu/siacs/conversations/crypto/OtrEngine.java b/src/eu/siacs/conversations/crypto/OtrEngine.java
index ca6230e1..32cd26b6 100644
--- a/src/eu/siacs/conversations/crypto/OtrEngine.java
+++ b/src/eu/siacs/conversations/crypto/OtrEngine.java
@@ -119,6 +119,9 @@ public class OtrEngine implements OtrEngineHost {
 	}
 
 	public PublicKey getPublicKey() {
+		if (this.keyPair == null) {
+			return null;
+		}
 		return this.keyPair.getPublic();
 	}
 	
diff --git a/src/eu/siacs/conversations/entities/Account.java b/src/eu/siacs/conversations/entities/Account.java
index d9a3ef03..41d94fee 100644
--- a/src/eu/siacs/conversations/entities/Account.java
+++ b/src/eu/siacs/conversations/entities/Account.java
@@ -217,6 +217,9 @@ public class Account  extends AbstractEntity{
 		if (this.otrFingerprint == null) {
 			try {
 				DSAPublicKey pubkey = (DSAPublicKey) this.otrEngine.getPublicKey();
+				if (pubkey == null) {
+					return null;
+				}
 				StringBuilder builder = new StringBuilder(new OtrCryptoEngineImpl().getFingerprint(pubkey));
 				builder.insert(8, " ");
 				builder.insert(17, " ");
@@ -241,4 +244,9 @@ public class Account  extends AbstractEntity{
 	public void setRosterVersion(String version) {
 		this.rosterVersion = version;
 	}
+
+	public String getOtrFingerprint(Context applicationContext) {
+		this.getOtrEngine(applicationContext);
+		return this.getOtrFingerprint();
+	}
 }
diff --git a/src/eu/siacs/conversations/ui/ManageAccountActivity.java b/src/eu/siacs/conversations/ui/ManageAccountActivity.java
index 7cf39e78..8798a74c 100644
--- a/src/eu/siacs/conversations/ui/ManageAccountActivity.java
+++ b/src/eu/siacs/conversations/ui/ManageAccountActivity.java
@@ -12,6 +12,7 @@ import eu.siacs.conversations.xmpp.OnTLSExceptionReceived;
 import eu.siacs.conversations.xmpp.XmppConnection;
 import android.app.Activity;
 import android.app.AlertDialog;
+import android.content.ClipData.Item;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.DialogInterface.OnClickListener;
@@ -286,6 +287,18 @@ public class ManageAccountActivity extends XmppActivity {
 										}
 									}
 								}
+							} else if (item.getItemId() == R.id.mgmt_otr_key) {
+								AlertDialog.Builder builder = new AlertDialog.Builder(activity);
+								builder.setTitle("OTR Fingerprint");
+								String fingerprintTxt = selectedAccountForActionMode.getOtrFingerprint(getApplicationContext());
+								View view = (View) getLayoutInflater().inflate(R.layout.otr_fingerprint, null);
+								if (fingerprintTxt!=null) {
+									TextView fingerprint = (TextView) view.findViewById(R.id.otr_fingerprint);
+									fingerprint.setText(fingerprintTxt);
+								}
+								builder.setView(view);
+								builder.setPositiveButton("Done", null);
+								builder.create().show();
 							} else if (item.getItemId() == R.id.mgmt_account_info) {
 								AlertDialog.Builder builder = new AlertDialog.Builder(activity);
 								builder.setTitle(getString(R.string.account_info));