Image iText Suite 9.0: New ISO Security Standards Support, Comprehensive Signature Validation, and More! iText Suite version 9.0 introduces a brand-new major version of the iText Core library, and updated Core add-ons. We've finalized the dedicated PDF digital signature validation module, and added support for the ISO/TS 32003 and 32004 standards. Not only that, but we also have new and improved APIs and much, much more. Read more
Image iText 8 now supports the latest ISO PDF extensions for digital signing The ability to apply and validate secure PDF digital signatures has long been a particular strength of the open-source iText Core library. We’ve kept pace with advances such as support for PAdES and PDF 2.0, and so we’re proud to present a guest blog detailing iText 8’s support for the latest ISO extension standards for digital signing. Read more
Image Attacks on PDF certification, and what you can do about them In May 2021, a group of researchers at the Ruhr University Bochum (RUB) published an IEEE symposium paper on problems with certification signatures in PDF. The authors’ findings are summarized on the PDF Insecurity website. Since iText’s products are often used as part of digital signing workflows (including to create certification signatures), we felt compelled to comment. In this blog post, we’ll take you through some background on these new attacks, and explain what you can do about them. Read more
Image PDF portfolios and how to use them Some tips and use cases for using PDF portfolios to package many different files in a single PDF Read more
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