diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/OperationResultParcel.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/OperationResultParcel.java
index ccb4b935c..216e4b497 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/OperationResultParcel.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/OperationResultParcel.java
@@ -123,6 +123,7 @@ public class OperationResultParcel implements Parcelable {
         MSG_IS_IO_EXCPTION (R.string.msg_is_io_excption),
         MSG_IS_SUBKEY_NONEXISTENT (R.string.msg_is_subkey_nonexistent),
         MSG_IS_SUBKEY_OK (R.string.msg_is_subkey_ok),
+        MSG_IS_SUBKEY_STRIPPED (R.string.msg_is_subkey_stripped),
         MSG_IS_SUCCESS (R.string.msg_is_success),
         ;
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
index 02e5411ca..1264c8c36 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
@@ -19,6 +19,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Vector;
@@ -149,13 +150,13 @@ public class UncachedKeyRing {
         aos.close();
     }
 
-    public ArrayList<Long> getAvailableSubkeys() {
+    public HashSet<Long> getAvailableSubkeys() {
         if(!isSecret()) {
             throw new RuntimeException("Tried to find available subkeys from non-secret keys. " +
                     "This is a programming error and should never happen!");
         }
 
-        ArrayList<Long> result = new ArrayList<Long>();
+        HashSet<Long> result = new HashSet<Long>();
         // then, mark exactly the keys we have available
         for (PGPSecretKey sub : new IterableIterator<PGPSecretKey>(
                 ((PGPSecretKeyRing) mRing).getSecretKeys())) {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
index b3a08a063..5c8bf6752 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
@@ -68,7 +68,7 @@ public class ProviderHelper {
     private int mIndent;
 
     public ProviderHelper(Context context) {
-        this(context, null, 0);
+        this(context, new ArrayList<OperationResultParcel.LogEntryParcel>(), 0);
     }
 
     public ProviderHelper(Context context, ArrayList<OperationResultParcel.LogEntryParcel> log,
@@ -96,10 +96,14 @@ public class ProviderHelper {
     }
 
     public void log(LogLevel level, LogType type) {
-        mLog.add(new OperationResultParcel.LogEntryParcel(level, type, null, mIndent));
+        if(mLog != null) {
+            mLog.add(new OperationResultParcel.LogEntryParcel(level, type, null, mIndent));
+        }
     }
     public void log(LogLevel level, LogType type, String[] parameters) {
-        mLog.add(new OperationResultParcel.LogEntryParcel(level, type, parameters, mIndent));
+        if(mLog != null) {
+            mLog.add(new OperationResultParcel.LogEntryParcel(level, type, parameters, mIndent));
+        }
     }
 
     // If we ever switch to api level 11, we can ditch this whole mess!
@@ -258,6 +262,7 @@ public class ProviderHelper {
         long masterKeyId = masterKey.getKeyId();
         log(LogLevel.INFO, LogType.MSG_IP_IMPORTING,
                 new String[]{Long.toString(masterKeyId)});
+        mIndent += 1;
 
         // IF there is a secret key, preserve it!
         UncachedKeyRing secretRing;
@@ -301,7 +306,7 @@ public class ProviderHelper {
             int rank = 0;
             for (UncachedPublicKey key : new IterableIterator<UncachedPublicKey>(keyRing.getPublicKeys())) {
                 log(LogLevel.DEBUG, LogType.MSG_IP_INSERT_SUBKEY, new String[] {
-                    PgpKeyHelper.convertKeyIdToHex(masterKeyId)
+                    PgpKeyHelper.convertKeyIdToHex(key.getKeyId())
                 });
                 operations.add(buildPublicKeyOperations(masterKeyId, key, rank));
                 ++rank;
@@ -433,10 +438,19 @@ public class ProviderHelper {
             mContentResolver.applyBatch(KeychainContract.CONTENT_AUTHORITY, operations);
         } catch (IOException e) {
             log(LogLevel.ERROR, LogType.MSG_IP_FAIL_IO_EXC);
+            Log.e(Constants.TAG, "IOException during import", e);
+            mIndent -= 1;
+            return new OperationResultParcel(1, mLog);
         } catch (RemoteException e) {
             log(LogLevel.ERROR, LogType.MSG_IP_FAIL_REMOTE_EX);
+            Log.e(Constants.TAG, "RemoteException during import", e);
+            mIndent -= 1;
+            return new OperationResultParcel(1, mLog);
         } catch (OperationApplicationException e) {
             log(LogLevel.ERROR, LogType.MSG_IP_FAIL_OP_EX);
+            Log.e(Constants.TAG, "OperationApplicationException during import", e);
+            mIndent -= 1;
+            return new OperationResultParcel(1, mLog);
         }
 
         // Save the saved keyring (if any)
@@ -448,6 +462,7 @@ public class ProviderHelper {
         }
 
         log(LogLevel.INFO, LogType.MSG_IP_SUCCESS);
+        mIndent -= 1;
         return new OperationResultParcel(0, mLog);
 
     }
@@ -513,17 +528,25 @@ public class ProviderHelper {
             // then, mark exactly the keys we have available
             log(LogLevel.INFO, LogType.MSG_IS_IMPORTING_SUBKEYS);
             mIndent += 1;
-            for (Long sub : new IterableIterator<Long>(keyRing.getAvailableSubkeys().iterator())) {
-                int upd = mContentResolver.update(uri, values, Keys.KEY_ID + " = ?", new String[] {
-                    Long.toString(sub)
-                });
-                if(upd == 0) {
-                    log(LogLevel.DEBUG, LogType.MSG_IS_SUBKEY_OK, new String[] {
-                            PgpKeyHelper.convertKeyIdToHex(sub)
-                    });
+            Set<Long> available = keyRing.getAvailableSubkeys();
+            for (UncachedPublicKey sub :
+                    new IterableIterator<UncachedPublicKey>(keyRing.getPublicKeys())) {
+                long id = sub.getKeyId();
+                if(available.contains(id)) {
+                    int upd = mContentResolver.update(uri, values, Keys.KEY_ID + " = ?",
+                            new String[] { Long.toString(id) });
+                    if (upd == 1) {
+                        log(LogLevel.DEBUG, LogType.MSG_IS_SUBKEY_OK, new String[]{
+                                PgpKeyHelper.convertKeyIdToHex(id)
+                        });
+                    } else {
+                        log(LogLevel.WARN, LogType.MSG_IS_SUBKEY_NONEXISTENT, new String[]{
+                                PgpKeyHelper.convertKeyIdToHex(id)
+                        });
+                    }
                 } else {
-                    log(LogLevel.WARN, LogType.MSG_IS_SUBKEY_NONEXISTENT, new String[] {
-                        PgpKeyHelper.convertKeyIdToHex(sub)
+                    log(LogLevel.INFO, LogType.MSG_IS_SUBKEY_STRIPPED, new String[]{
+                            PgpKeyHelper.convertKeyIdToHex(id)
                     });
                 }
             }
diff --git a/OpenKeychain/src/main/res/values/strings.xml b/OpenKeychain/src/main/res/values/strings.xml
index 0755d9fb2..6f21900fe 100644
--- a/OpenKeychain/src/main/res/values/strings.xml
+++ b/OpenKeychain/src/main/res/values/strings.xml
@@ -535,7 +535,7 @@
     <string name="msg_ip_insert_subkeys">Inserting subkeys</string>
     <string name="msg_ip_preserving_secret">Preserving available secret key</string>
     <string name="msg_ip_reinsert_secret">Re-inserting secret key</string>
-    <string name="msg_ip_success">Successfully inserted secret keyring</string>
+    <string name="msg_ip_success">Successfully inserted public keyring</string>
     <string name="msg_ip_trust_retrieve">Retrieving trusted keys</string>
     <string name="msg_ip_trust_using">Using %s trusted keys</string>
     <string name="msg_ip_trust_using_sec">Secret key available, self certificates are trusted</string>
@@ -556,6 +556,7 @@
     <string name="msg_is_io_excption">Error encoding keyring</string>
     <string name="msg_is_subkey_nonexistent">Subkey %s unavailable in public key</string>
     <string name="msg_is_subkey_ok">Marked %s as available</string>
+    <string name="msg_is_subkey_stripped">Marked %s as stripped</string>
     <string name="msg_is_success">Successfully inserted secret keyring</string>
 
 </resources>