Tag Archives: digital signature

C# and Java Code to Digitally Sign PDF Files With a Certificate

In the “Secure PDF Files With a Password in C#, VB, and Java” article, we described how to use the PDFFile class from the PDF SDK to password protect and encrypt PDF files. Using the PDFFile class also makes digitally … Continue reading

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Retrieve Digital Signature Information from PDFs Using LEADTOOLS

Digital signatures are one of the most advanced and secure type of an electronic signature. These signatures provide the highest level assurance and are used to comply with legal and regulatory requirements. Digital signatures use a certificate-based digital ID to … Continue reading

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