1 files changed, 13 insertions, 2 deletions
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 65a2fe4a0..29bd88b90 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
@@ -45,6 +45,7 @@ import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Comparator;
 import java.util.Date;
@@ -338,7 +339,17 @@ public class UncachedKeyRing {
                 }
             }
 
+            ArrayList<String> processedUserIds = new ArrayList<String>();
             for (String userId : new IterableIterator<String>(masterKey.getUserIDs())) {
+                // check for duplicate user ids
+                if (processedUserIds.contains(userId)) {
+                    log.add(LogLevel.WARN, LogType.MSG_KC_UID_DUP,
+                            indent, userId);
+                    // strip out the first found user id with this name
+                    modified = PGPPublicKey.removeCertification(modified, userId);
+                }
+                processedUserIds.add(userId);
+
                 PGPSignature selfCert = null;
                 revocation = null;
 
@@ -415,13 +426,13 @@ public class UncachedKeyRing {
                             if (selfCert == null) {
                                 selfCert = zert;
                             } else if (selfCert.getCreationTime().before(cert.getCreationTime())) {
-                                log.add(LogLevel.DEBUG, LogType.MSG_KC_UID_DUP,
+                                log.add(LogLevel.DEBUG, LogType.MSG_KC_UID_CERT_DUP,
                                         indent, userId);
                                 modified = PGPPublicKey.removeCertification(modified, userId, selfCert);
                                 redundantCerts += 1;
                                 selfCert = zert;
                             } else {
-                                log.add(LogLevel.DEBUG, LogType.MSG_KC_UID_DUP,
+                                log.add(LogLevel.DEBUG, LogType.MSG_KC_UID_CERT_DUP,
                                         indent, userId);
                                 modified = PGPPublicKey.removeCertification(modified, userId, zert);
                                 redundantCerts += 1;