Skip to content

# Index

## Classes

| Name | Description
--- | --- | ---
| PDFBaseDigitalSignature | Defines the base class for all digital signatures.
| PDFCmsDigitalSignature | Defines a basic PDF digital signature based on the Cryptographic Message Syntax standard.
| PDFComputedDigitalSignature | Defines a PDF digital signature loaded from a signed PDF file.
| PDFComputeSignatureEventData | Defines the arguments for ComputeSignature delegate.
| PDFCrlEventData | Defines the arguments for the PDFDigitalSignature.OnCrlInformationNeeded event.
| PDFCustomDigitalSignature | Defines the base class for custom digital signatures.
| PDFDigitalSignature | Defines a PDF digital signature.
| PDFDocumentSecurityStore | Defines a document security store.
| PDFDocumentSecurityStoreItem | Defines an item stored in a PDFDocumentSecurityStore object.
| PDFDocumentSecurityStoreItemCollection | Defines a collection of document security store items.
| PDFDocumentTimeStamp | Defines a document timestamp.
| PDFOcspEventData | Defines the arguments for the PDFDigitalSignature.OnOcspInformationNeeded event.
| PDFPadesDigitalSignature | Defines a digital signature that is based on PAdES standards.
| PDFTimeStampEventData | Defines the arguments for SignatureTimestampNeeded delegate.

## Enums

| Name | Description
--- | --- | ---
| PDFDigitalSignatureAllowedChanges | Specifies the allowed changes to a document after applying a digital signature.
| PDFDigitalSignatureDigestAlgorithm | Specifies the supported digest algorithms used to compute the digital signature.
| PDFX509CertificateIncludeOption | Specifies how much of the X.509 certificate chain should be included in the digital signature.