officefileapi-devexpress-dot-pdf-dot-pkcs7signerbase.md
A base class used to create PKCS#7 signatures.
Namespace : DevExpress.Pdf
Assembly : DevExpress.Pdf.v25.2.Core.dll
NuGet Package : DevExpress.Pdf.Core
public abstract class Pkcs7SignerBase :
IExternalSigner
Public MustInherit Class Pkcs7SignerBase
Implements IExternalSigner
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
Object Pkcs7SignerBase Pkcs7Signer
See Also