PdfCertificationLevel Enum
The changes a certification signature allows after it (ISO 32000-2, 12.8.2.2.2, the /P of the DocMDP transform). Adding validation data (PdfSigner.AddValidationData) and document time stamps (PdfSigner.TimestampAsync) is allowed at every level (ETSI EN 319 142-1, 5.4).
public enum PdfCertificationLevelFields
| Name | Value | Description |
|---|---|---|
NoChanges | 1 | No change is allowed: another signature cannot be added (/P 1). |
FormFilling | 2 | Filling in the forms, instantiating the page templates and signing are allowed (/P 2). |
FormFillingAndAnnotations | 3 | Filling in the forms, signing, and creating, changing and deleting annotations are allowed (/P 3). |