Electronic Seal

360 Quality & Efficiency

Mar 25, 2022 · Information Security

Adding a Graphical Seal and Network Timestamp Electronic Signature to PDF Documents with Java and Spire

This tutorial demonstrates how to programmatically embed a graphical seal and a trusted network timestamp electronic signature into a PDF using Java, the Spire library, and a .pfx certificate, covering preparation, signature creation, positioning, timestamp configuration, visual settings, and final saving.