zgapdfsigner
A javascript tool to sign a pdf or set protection to a pdf in web browser, Google Apps Script and nodejs.
@qingfu/zgapdfsigner
A javascript tool to sign a pdf or set protection to a pdf in web browser, Google Apps Script and nodejs.
timestamp-trusted
This lib/package was based entirely on the [https://d-mueller.de/blog/dealing-with-trusted-timestamps-in-php-rfc-3161/](https://d-mueller.de/blog/dealing-with-trusted-timestamps-in-php-rfc-3161/) implementation originally made in php.