ITsaClient Interface

Interface used to generate time stamps.

Namespace: DevExpress.Office.Tsp

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

Declaration

C#

public interface ITsaClient

VB.NET

Public Interface ITsaClient

Related API Members

The following members return ITsaClient objects:

• SignatureOptions.TsaClient

Remarks

The TsaClient is a default ITsaClient interface implementation. Use this class to generate time stamps or create an implementation.

Refer to the How to: Use a Custom Timestamp Client to Apply Signatures to the PDF Document repository for a code sample.

Related GitHub Examples

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

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/Program.cs#L16

//Create a timestamp:
ITsaClient tsaClient = new TsaClient(new Uri(@"https://freetsa.org/tsr"), HashAlgorithmType.SHA256);

pdf-document-api-custom-tsa-client/CS/CustomTsaClient/BouncyCastleTsaClient.cs#L17

{
    public class BouncyCastleTsaClient : ITsaClient
    {

pdf-document-api-multiple-signatures/CS/PdfDocumentProcessor/Program.cs#L30

//Create a timestamp
ITsaClient tsaClient = new TsaClient(new Uri(@"https://freetsa.org/tsr"), HashAlgorithmType.SHA256);

VB.NET

pdf-document-api-custom-tsa-client/VB/CustomTsaClient/BouncyCastleTsaClient.vb#L17

Public Class BouncyCastleTsaClient
    Implements ITsaClient

pdf-document-processor-custom-signer/VB/CustomSigner/Program.vb#L16

'Create a timestamp:
Dim tsaClient As ITsaClient = New TsaClient(New Uri("https://freetsa.org/tsr"), HashAlgorithmType.SHA256)

pdf-document-api-multiple-signatures/VB/PdfDocumentProcessor/Program.vb#L25

'Create a timestamp
Dim tsaClient As ITsaClient = New TsaClient(New Uri("https://freetsa.org/tsr"), HashAlgorithmType.SHA256)
'Create a PAdES PKCS#7 signature