We get documents in PDF format from the government or other agencies. Some documents come with digital signatures placed on the pages. If they are already validated, we see a Signature Valid message ...

The Syncfusion® PDF Library is a .NET PDF library that allows the users to create and validate PDF digital signatures in C# and VB.NET.This repository contains examples of digital signatures PDF files ...

Researchers at the Ruhr-University Bochum in Germany have figured out three different ways to forge digital signatures in PDF documents. The fakes will be treated as genuine on 21 of 22 desktop PDF ...

Guide for validating digital signature in e-Aadhaar using Adobe Reader. Protects from tampering, ensures trustworthiness. Check 'Validity Unknown' icon, look for 'nCode Solutions CA 2014' in ...

The Unique Identification Authority of India (UIDAI) gives permission to every individual who is a citizen of India to keep a digital copy of the Aadhaar card which is as legitimate as the hard one.

A team of academics from the Ruhr-University Bochum in Germany say they've managed to break the digital signing system and create fake signatures on 21 of 22 desktop PDF viewer apps and five out of ...