Datalogics Adobe PDF Library Adds Support for Timestamp Digital Signatures
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We’re excited to announce a new release of the Adobe PDF Library that brings enhanced digital signing capabilities, improved security, and updated libraries to ensure developers can continue to build high-performance PDF solutions.
New: Timestamp Digital Signatures
The highlight of this release is a new feature: Timestamp / RFC3161 Digital Signatures, which introduces support for digitally signing PDF documents using timestamp signatures, providing developers with a secure way to apply verifiable, time-based authentication to documents.
Timestamp signatures help ensure the long-term validity of a document’s signature, even after the signing certificate expires, making them especially valuable for workflows requiring strong compliance and audit trails. Please note: Timestamp signatures are not available on Linux 32-bit and AIX 64-bit platforms.
Security and Library Updates
In addition to new signing capabilities, this release includes several critical updates to underlying libraries to strengthen security and improve performance:
- ICU updated to version 77.1 – Mitigates known vulnerabilities and enhances international text handling.
- libexpat updated to 2.7.3 – Addresses known vulnerabilities for safer XML parsing.
- fmt library updated to 11.2.0 – Provides improved formatting performance and reliability.
- libtiff updated to 4.7.1 – Improves image processing and mitigates security risks.
- OpenSSL updated to 3.5.2 – Delivers the latest in encryption and data protection capabilities.
These updates were added to make sure the Adobe PDF Library remains a secure foundation for developing enterprise-grade PDF solutions.
Package Version Information
Why It Matters
This release continues our commitment to giving developers the tools they need to build and maintain secure, compliant, and future-ready PDF workflows. Whether you’re implementing digital signatures, managing document validation, or ensuring long-term data integrity, these updates help you deliver trusted and high-quality PDF experiences. To learn more or download the latest version, check out the Adobe PDF Library product page. Read the full release notes on our Developer Site.
Datalogics, Inc. provides a complete SDK for PDF creation, manipulation and management for companies around the globe. Built on Adobe source code, our flagship product Adobe® PDF Library offers a choice of programming platforms and languages along with unsurpassed customer service, proven by our 94% customer retention rate. Datalogics offers…
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