digitorus / pdfsign

Add/verify Advanced Electronic Signature (AES) and Qualified Electronic Signature (QES) in PDF (usign pure Go)
BSD 2-Clause "Simplified" License
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Fixes and support for ApprovalSignature and TimeStampSignature #54

Closed vanbroup closed 4 days ago

vanbroup commented 4 days ago

This PR introduces support for approval signatures and timestamp signatures. Note that a timestamp signature is distinct from a timestamp added to an approval or certification signature, which was already supported.

Additionally, some code has been refactored, with further refactoring planned to include support for timestamp LTV signatures.