1 files changed, 9 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/impl/api/CheckHelper.java b/src/main/java/at/gv/egiz/pdfas/impl/api/CheckHelper.java
index 9daae59..4466d8b 100644
--- a/src/main/java/at/gv/egiz/pdfas/impl/api/CheckHelper.java
+++ b/src/main/java/at/gv/egiz/pdfas/impl/api/CheckHelper.java
@@ -67,6 +67,7 @@ public final class CheckHelper
     {
       checkSignaturePositioning(sp.getSignaturePositioning());
     }
+    checkSignatureKeyIdentifier(sp.getSignatureKeyIdentifier(), sp.getSignatureDevice());
   }
 
   /**
@@ -186,6 +187,14 @@ public final class CheckHelper
       throw new IllegalArgumentException(msg);
     }
   }
+  
+  protected static void checkSignatureKeyIdentifier (String signatureKeyIdentifier, String signatureDevice)
+  {
+    if (signatureKeyIdentifier != null && !Constants.SIGNATURE_DEVICE_MOA.equals(signatureDevice))
+    {
+      log.warn("A signatureKeyIdentifier (" + signatureKeyIdentifier + ") was provided although the signatureDevice (" + signatureDevice + ") is not moa. Currently only the moa signature device evaluates the signatureKeyIdentifier parameter.");
+    }
+  }
 
   protected static void checkVerifyMode(String verifyMode)
   {