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Support for Long Term Validation in PDF signatures - Community / GemBox.Document Feature Request - GemBox Support Center

Support for Term Validation in Gembox.Document, see PAdES Part 4 (https://www.etsi.org/deliver/etsi_ts/102700_102799/10277804/01.01.02_60/ts_10277804v010102p.pdf) and https://www.pdfa.org/long-term-validation-of-signatures/

Official response

Mario - GemBox

Hi,

This feature request has been implemented and is available in latest versions of GemBox.Document.
For reference, please check the following example:
https://www.gemboxsoftware.com/document/examples/c-sharp-vb-net-pdf-digital-signature/1104#pades

Regards,

Mario
GemBox d.o.o.