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 ...
Security researchers have found that it is possible to alter a digitally signed PDF without invalidating its signatures. To demonstrate it, they produced a fake document “refund order” of ...
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 ...
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