PHP (cURL & OpenSSL) →
Integration for PHP web apps, e-invoicing systems, and PDF document pipelines via cURL and OpenSSL CLI.
OpenSSL & cURL (Command Line) →
CLI instructions to generate timestamp queries (.tsq), fetch responses, and verify .tsr files in Bash/terminal.
C# .NET (Native Implementation) →
Request and verify qualified timestamps in .NET 6/8/9 using the native Rfc3161TimestampRequest class.
C# .NET Long-Term Archival (LTA) Signatures →
Learn how to create eIDAS-compliant PAdES, CAdES, XAdES, and ASiC-E qualified signatures with embedded Long-Term Validation (LTV) and Archival (LTA) using C#.
Java (BouncyCastle) →
Prepare timestamp requests, execute HTTP POST queries, and parse .tsr response tokens in Java.
Python (rfc3161ng) →
Python workflow using rfc3161ng to compute SHA-256 digests, query the TSA server, and verify tokens.
PowerShell (Windows Scripting) →
Automated Windows administrative scripts using OpenSSL and native PowerShell utilities for server file timestamping.
PowerShell Long-Term Archival (LTA) Signatures →
Learn how to create eIDAS-compliant PAdES, CAdES, XAdES, and ASiC-E qualified signatures with embedded Long-Term Validation (LTV) and Archival (LTA) using PowerShell.