How hash/digest signing works for PDF (PAdES)

PAdES (PDF Advanced Electronic Signatures) is a standard for electronic signatures in PDF documents. PAdES hash signing is a method of creating an electronic signature in which the document is not actually signed, but a cryptographic hash of the document …

Qualified Electronic Signature ecosystem in Poland

Poland is a country with many different document types that require Qualified Electronic Signature QES. If the Polish law requires ā€œWritten Formā€ for some contract then electronically Qualified Electronic Signature should be used. Main mandatory use cases for Qualified Electronic …

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