Sign PDF with plain JavaScript

Question

With WebCrypto API evolving and being supported by Chrome and Firefox, I would like to use it for digitally signing a PDF document. There is not much of literature around, b

Answer 1

You can sign any file (including pdf) using openpgp.js

https://openpgpjs.org/openpgpjs/doc/#create-and-verify-detached-signatures

(scroll down to 'create-and-verify-detached-signatures')

Read the file as a Uint8Array and sign it with your private key.