File pdftk-bc175.patch of Package pdftk

--- pdftk-v3.3.3/java/com/gitlab/pdftk_java/com/lowagie/text/pdf/PdfPKCS7.java	2023-10-27 13:23:34.491764952 +0200
+++ pdftk-v3.3.3/java/com/gitlab/pdftk_java/com/lowagie/text/pdf/PdfPKCS7.java	2023-10-27 13:26:30.713026680 +0200
@@ -225,7 +225,7 @@
         ASN1ObjectIdentifier objId = (ASN1ObjectIdentifier)signedData.getObjectAt(0);
         if (!objId.getId().equals(ID_PKCS7_SIGNED_DATA))
             throw new SecurityException("Not a valid PKCS#7 object - not signed data");
-        ASN1Sequence content = (ASN1Sequence)((DERTaggedObject)signedData.getObjectAt(1)).getObject();
+        ASN1Sequence content = (ASN1Sequence)((DERTaggedObject)signedData.getObjectAt(1)).getBaseObject();
         // the positions that we care are:
         //     0 - version
         //     1 - digestAlgorithms
@@ -258,7 +258,7 @@
         // the possible ID_PKCS7_DATA
         ASN1Sequence rsaData = (ASN1Sequence)content.getObjectAt(2);
         if (rsaData.size() > 1) {
-            DEROctetString rsaDataContent = (DEROctetString)((DERTaggedObject)rsaData.getObjectAt(1)).getObject();
+            DEROctetString rsaDataContent = (DEROctetString)((DERTaggedObject)rsaData.getObjectAt(1)).getBaseObject();
             RSAdata = rsaDataContent.getOctets();
         }
         
@@ -294,7 +294,7 @@
         next = 3;
         if (signerInfo.getObjectAt(next) instanceof ASN1TaggedObject) {
             ASN1TaggedObject tagsig = (ASN1TaggedObject)signerInfo.getObjectAt(next);
-            ASN1Sequence sseq = (ASN1Sequence)tagsig.getObject();
+            ASN1Sequence sseq = (ASN1Sequence)tagsig.getBaseObject();
             ByteArrayOutputStream bOut = new ByteArrayOutputStream();            
             ASN1OutputStream dout = ASN1OutputStream.create(bOut);
             try {