iText is used by many businesses and signing services to integrate secure digital signatures into PDFs. This step-by-step article shows developers how to use iText 7 and the AWS KMS APIs to generate a digital signature and add it to a PDF document.
These vulnerabilities require an attacker to modify an encrypted PDF file, potentially leading to the exfiltration of the document’s contents to an external server. This class of problem is not specific to PDF per se, but is applicable to most formats that support encryption.
Roman Toda, CTO at Normex, will be hosting a presentation titled “Encryption with PDF 2.0” at PDF Days Europe 2018. Presenter: Roman is pdf expert, software architect and developer with more than 20 years of experiences with digital document products, solutions, SDKs. He made his first plug in for Adobe Acrobat in 1997 and from … Read more