Index: clienteafirma-external-1.0.3/afirma-lib-itext/src/main/java/com/aowagie/text/pdf/PdfPKCS7.java
===================================================================
--- clienteafirma-external-1.0.3.orig/afirma-lib-itext/src/main/java/com/aowagie/text/pdf/PdfPKCS7.java
+++ clienteafirma-external-1.0.3/afirma-lib-itext/src/main/java/com/aowagie/text/pdf/PdfPKCS7.java
@@ -1332,8 +1332,12 @@ public final class PdfPKCS7 {
         X509Name(final ASN1Sequence seq) {
             final Enumeration e = seq.getObjects();
 
-            while (e.hasMoreElements()) {
-                final ASN1Set set = (ASN1Set)e.nextElement();
+	    while (e.hasMoreElements()) {
+                ASN1Primitive element = ((ASN1Encodable)e.nextElement()).toASN1Primitive();
+				if (!(element instanceof ASN1Set))
+				    continue;
+
+                final ASN1Set set = (ASN1Set)element;
 
                 for (int i = 0; i < set.size(); i++) {
                     final ASN1Sequence s = (ASN1Sequence)set.getObjectAt(i);