Pkcs7SignerBase Class

A base class used to create PKCS#7 signatures.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v22.1.Core.dll

Declaration

C#

public abstract class Pkcs7SignerBase :
    IExternalSigner

VB.NET

Public MustInherit Class Pkcs7SignerBase
    Implements IExternalSigner

Remarks

The Pkcs7Signer class is the default Pkcs7SignerBase implementation. You can create this class descendant and use a custom PKCS#7 signature builder:

View Example: How to use Azure Key Vault API to sign a PDF document

If you need to calculate a document hash in a custom manner, you can use a custom digest calculator instead of DigestCalculator with a custom PKCS#7 signature builder:

View Example: How to use a custom signer class to apply signatures to the PDF Document

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Pkcs7SignerBase class.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

pdf-document-processor-custom-signer/CS/CustomSigner/BouncyCastleSigner.cs#L51

public class BouncyCastleSigner : Pkcs7SignerBase
{

VB.NET

pdf-document-processor-custom-signer/VB/CustomSigner/BouncyCastleSigner.vb#L52

Public Class BouncyCastleSigner
    Inherits Pkcs7SignerBase

Implements

IExternalSigner

Inheritance

Object

Pkcs7SignerBase

Pkcs7Signer