SignatureValidationOptions.ValidationFlags Property

Specifies the validation flags.

Namespace: DevExpress.Office.DigitalSignatures

Assembly: DevExpress.Docs.v23.2.dll

NuGet Package: DevExpress.Document.Processor

Declaration

C#

public ValidationFlags ValidationFlags { get; set; }

VB.NET

Public Property ValidationFlags As ValidationFlags

Property Value

Type	Description
ValidationFlags	An enumeration value that indicates a validation flag.

Available values:

Name	Description
None	No flags.
ValidateSignature	Validate a signature.
ValidateSignatureCertificate	Validate the signature certificate.
ValidatePackageIntegrity	Validate package integrity.
ValidateTimestamp	Validate a timestamp.
ValidateTimestampCertificate	Validate the timestamp certificate.
All	All flags.

Remarks

Use the ValidationFlags property to exclude validation steps. The code sample below excludes signature and timestamp certificate validation.

C#

using DevExpress.Office.DigitalSignatures;

private static void ValidateSignature(string path)
{
    DocumentSigner validator = new DocumentSigner();

    SignatureValidationOptions validationOptions =
     new SignatureValidationOptions();
    validationOptions.ValidationFlags =
     ~ValidationFlags.ValidateSignatureCertificate & ~ValidationFlags.ValidateTimestampCertificate;

    validator.Validate(path, validationOptions);
}

VB.NET

Imports DevExpress.Office.DigitalSignatures

Private Shared Sub ValidateSignature(ByVal path As String)
  Dim validator As New DocumentSigner()

  Dim validationOptions As New SignatureValidationOptions()
  validationOptions.ValidationFlags = (Not ValidationFlags.ValidateSignatureCertificate) And Not ValidationFlags.ValidateTimestampCertificate

  validator.Validate(path, validationOptions)
End Sub

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the ValidationFlags property.

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#

word-document-api-sign-document-and-validate-signature/CS/WordDocumentDigitalSignatureSample/Program.cs#L79

//In this example, signature and timestamp certificate validation is skipped
validationOptions.ValidationFlags = ~ValidationFlags.ValidateSignatureCertificate & ~ValidationFlags.ValidateTimestampCertificate;

spreadsheet-document-api-sign-workbook-and-validate-signature/CS/WorkbookDigitalSignatureSample/Program.cs#L81

//In this example, signature and timestamp certificate validation is skipped
validationOptions.ValidationFlags = ~ValidationFlags.ValidateSignatureCertificate & ~ValidationFlags.ValidateTimestampCertificate;

VB.NET

word-document-api-sign-document-and-validate-signature/VB/WordDocumentDigitalSignatureSample/Program.vb#L70

'In this example, signature and timestamp certificate validation is skipped
validationOptions.ValidationFlags = Not ValidationFlags.ValidateSignatureCertificate And Not ValidationFlags.ValidateTimestampCertificate
'Validate the signature:

spreadsheet-document-api-sign-workbook-and-validate-signature/VB/WorkbookDigitalSignatureSample/Program.vb#L74

'In this example, signature and timestamp certificate validation is skipped
validationOptions.ValidationFlags = (Not ValidationFlags.ValidateSignatureCertificate) And Not ValidationFlags.ValidateTimestampCertificate