1 files changed, 3 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/IPlainSigner.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/IPlainSigner.java
index 0735a0bf..6155a245 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/IPlainSigner.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/IPlainSigner.java
@@ -4,9 +4,12 @@ import iaik.x509.X509Certificate;
 
 import java.io.IOException;
 
+import org.apache.pdfbox.cos.COSName;
 import org.apache.pdfbox.exceptions.SignatureException;
 
 public interface IPlainSigner {
 	public X509Certificate getCertificate();
     public byte[] sign(byte[] input) throws SignatureException, IOException;
+    public String getPDFSubFilter();
+    public String getPDFFilter();
 }