diff --git a/Security/AddBasicPAdESElectronicSignature/AddBasicPAdESElectronicSignature.cs b/Security/AddBasicPAdESElectronicSignature/AddBasicPAdESElectronicSignature.cs
new file mode 100644
index 0000000..26b0fa0
--- /dev/null
+++ b/Security/AddBasicPAdESElectronicSignature/AddBasicPAdESElectronicSignature.cs
@@ -0,0 +1,84 @@
+using Datalogics.PDFL;
+using System;
+
+/*
+ *
+ * This sample program demonstrates the use of AddDigitalSignature for PAdES
+ * (PDF Advanced Electronic Signatures) baseline signature type without a
+ * signature policy. PAdES signatures conform to the ETSI standard and use
+ * the ETSI.CAdES.detached SubFilter.
+ *
+ * Copyright (c) 2026, Datalogics, Inc. All rights reserved.
+ *
+ */
+namespace AddBasicPAdESElectronicSignature
+{
+ class AddBasicPAdESElectronicSignature
+ {
+ static void Main(string[] args)
+ {
+ Console.WriteLine("AddBasicPAdESElectronicSignature Sample:");
+
+ using (new Library())
+ {
+ Console.WriteLine("Initialized the library.");
+
+ String sInput = Library.ResourceDirectory + "Sample_Input/SixPages.pdf";
+ String sLogo = Library.ResourceDirectory + "Sample_Input/ducky_alpha.tif";
+ String sOutput = "PAdESBaselineSignature-out.pdf";
+
+ String sPEMCert = Library.ResourceDirectory + "Sample_Input/Credentials/PEM/ecSecP521r1Cert.pem";
+ String sPEMKey = Library.ResourceDirectory + "Sample_Input/Credentials/PEM/ecSecP521r1Key.pem";
+
+ if (args.Length > 0)
+ sInput = args[0];
+
+ if (args.Length > 1)
+ sOutput = args[1];
+
+ if (args.Length > 2)
+ sLogo = args[2];
+
+ Console.WriteLine("Input file: " + sInput);
+ Console.WriteLine("Writing to output: " + sOutput);
+
+ using (Document doc = new Document(sInput))
+ {
+ using (Datalogics.PDFL.SignDoc sigDoc = new Datalogics.PDFL.SignDoc())
+ {
+ // Setup Sign params
+ sigDoc.FieldID = SignatureFieldID.CreateFieldWithQualifiedName;
+ sigDoc.FieldName = "Signature_es_:signatureblock";
+
+ // Set credential related attributes
+ sigDoc.DigestCategory = DigestCategory.Sha384;
+ sigDoc.CredentialDataFormat = CredentialDataFmt.NonPFX;
+ sigDoc.SetNonPfxSignerCert(sPEMCert, 0, CredentialStorageFmt.OnDisk);
+ sigDoc.SetNonPfxPrivateKey(sPEMKey, 0, CredentialStorageFmt.OnDisk);
+
+ // Set the signature type to PAdES (PDF Advanced Electronic Signatures).
+ // This produces an ETSI.CAdES.detached signature conforming to the
+ // PAdES baseline profile without a signature policy.
+ sigDoc.DocSignType = SignatureType.PADES;
+
+ // Setup the signer information
+ // (Logo image is optional)
+ sigDoc.SetSignerInfo(sLogo, 0.5F, "John Doe", "Chicago, IL", "Approval", "Datalogics, Inc.",
+ DisplayTraits.KDisplayAll);
+
+ // Set the size and location of the signature box (optional)
+ // If not set, invisible signature will be placed on first page
+ sigDoc.SignatureBoxPageNumber = 0;
+ sigDoc.SignatureBoxRectangle = new Rect(100, 300, 400, 400);
+
+ // Setup Save params
+ sigDoc.OutputPath = sOutput;
+
+ // Finally, sign and save the document
+ sigDoc.AddDigitalSignature(doc);
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/Security/AddBasicPAdESElectronicSignature/AddBasicPAdESElectronicSignature.csproj b/Security/AddBasicPAdESElectronicSignature/AddBasicPAdESElectronicSignature.csproj
new file mode 100644
index 0000000..4f977cf
--- /dev/null
+++ b/Security/AddBasicPAdESElectronicSignature/AddBasicPAdESElectronicSignature.csproj
@@ -0,0 +1,14 @@
+
+
+
+ Exe
+ net8.0
+ enable
+ enable
+
+
+
+
+
+
+
diff --git a/Security/AddPAdESPolicySignature/AddPAdESPolicySignature.cs b/Security/AddPAdESPolicySignature/AddPAdESPolicySignature.cs
new file mode 100644
index 0000000..1d649b2
--- /dev/null
+++ b/Security/AddPAdESPolicySignature/AddPAdESPolicySignature.cs
@@ -0,0 +1,92 @@
+using Datalogics.PDFL;
+using System;
+
+/*
+ *
+ * This sample program demonstrates the use of AddDigitalSignature for PAdES
+ * (PDF Advanced Electronic Signatures) with an explicit signature policy.
+ * PAdES policy signatures (EPES) conform to the ETSI EN 319 142 standard,
+ * use the ETSI.CAdES.detached SubFilter, and embed one or more signature
+ * policy identifiers along with optional policy qualifiers.
+ *
+ * Copyright (c) 2026, Datalogics, Inc. All rights reserved.
+ *
+ */
+namespace AddPAdESPolicySignature
+{
+ class AddPAdESPolicySignature
+ {
+ static void Main(string[] args)
+ {
+ Console.WriteLine("AddPAdESPolicySignature Sample:");
+
+ using (new Library())
+ {
+ Console.WriteLine("Initialized the library.");
+
+ String sInput = Library.ResourceDirectory + "Sample_Input/SixPages.pdf";
+ String sLogo = Library.ResourceDirectory + "Sample_Input/ducky_alpha.tif";
+ String sOutput = "PAdESPolicySignature-out.pdf";
+
+ String sPEMCert = Library.ResourceDirectory + "Sample_Input/Credentials/PEM/ecSecP521r1Cert.pem";
+ String sPEMKey = Library.ResourceDirectory + "Sample_Input/Credentials/PEM/ecSecP521r1Key.pem";
+
+ if (args.Length > 0)
+ sInput = args[0];
+
+ if (args.Length > 1)
+ sOutput = args[1];
+
+ if (args.Length > 2)
+ sLogo = args[2];
+
+ Console.WriteLine("Input file: " + sInput);
+ Console.WriteLine("Writing to output: " + sOutput);
+
+ using (Document doc = new Document(sInput))
+ {
+ using (Datalogics.PDFL.SignDoc sigDoc = new Datalogics.PDFL.SignDoc())
+ {
+ // Setup Sign params
+ sigDoc.FieldID = SignatureFieldID.CreateFieldWithQualifiedName;
+ sigDoc.FieldName = "Signature_es_:signatureblock";
+
+ // Set credential related attributes
+ // PAdES signatures use SHA-384 digest with EC credentials
+ sigDoc.DigestCategory = DigestCategory.Sha384;
+ sigDoc.CredentialDataFormat = CredentialDataFmt.NonPFX;
+ sigDoc.SetNonPfxSignerCert(sPEMCert, 0, CredentialStorageFmt.OnDisk);
+ sigDoc.SetNonPfxPrivateKey(sPEMKey, 0, CredentialStorageFmt.OnDisk);
+
+ // Set the signature type to PAdES (PDF Advanced Electronic Signatures).
+ // NOTE: Signature type must be set prior to adding policies.
+ sigDoc.DocSignType = SignatureType.PADES;
+
+ // Define a signature policy (SigPolicyId) using an OID.
+ sigDoc.AddSigPolicy("2.16.724.1.3.1.1.2.1.9");
+
+ // Add a policy qualifier (SPuri) pointing to the policy specification document.
+ sigDoc.AddSigPolicyQualifierURI(
+ "https://sede.administracion.gob.es/politica_de_firma_anexo_1.pdf");
+
+ // Setup the signer information
+ // (Logo image is optional)
+ sigDoc.SetSignerInfo(sLogo, 0.5F, "John Doe", "Chicago, IL", "Approval", "Datalogics, Inc.",
+ DisplayTraits.KDisplayAll);
+
+ // Set the size and location of the signature box (optional)
+ // If not set, invisible signature will be placed on first page
+ sigDoc.SignatureBoxPageNumber = 0;
+ sigDoc.SignatureBoxRectangle = new Rect(100, 300, 400, 400);
+
+ // Setup Save params
+ sigDoc.OutputPath = sOutput;
+
+ // Finally, sign and save the document
+ sigDoc.AddDigitalSignature(doc);
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/Security/AddPAdESPolicySignature/AddPAdESPolicySignature.csproj b/Security/AddPAdESPolicySignature/AddPAdESPolicySignature.csproj
new file mode 100644
index 0000000..4f977cf
--- /dev/null
+++ b/Security/AddPAdESPolicySignature/AddPAdESPolicySignature.csproj
@@ -0,0 +1,14 @@
+
+
+
+ Exe
+ net8.0
+ enable
+ enable
+
+
+
+
+
+
+
diff --git a/Security/README.md b/Security/README.md
index b960e4f..162e385 100644
--- a/Security/README.md
+++ b/Security/README.md
@@ -1,3 +1,9 @@
+## ***AddBasicPAdESElectronicSignature***
+Demonstrates adding a PAdES B-T baseline electronic signature to a PDF document.
+
+## ***AddPAdESPolicySignature***
+Demonstrates adding a PAdES B-T policy-based signature to a PDF document.
+
## ***AddDigitalSignatureCMS***
Demonstrates adding a digital signature with a logo to a PDF document.
diff --git a/tasks.py b/tasks.py
index d5ff6d5..afae0a9 100644
--- a/tasks.py
+++ b/tasks.py
@@ -74,6 +74,8 @@
'OpticalCharacterRecognition/OCRDocument/',
'Other/MemoryFileSystem/',
'Other/StreamIO/',
+ 'Security/AddBasicPAdESElectronicSignature/',
+ 'Security/AddPAdESPolicySignature/',
'Security/AddDigitalSignatureCMS/',
'Security/AddDigitalSignatureRFC3161/',
'Security/AddRegexRedaction/',