How to sign documents with an EDS on the site if an eToken PRO USB key is used?

Question

Electronic digital signature

We have a corporate resource, the signing of EDS documents is implemented, which is stored either in the cloud or on the client's own server.
A new client has come and his digital signature is stored on the eToken PRO USB key.
I found that browser extensions are used to call the signature. Is there another way?
If not, then share how to make a call through plugins like "CryptoPro".
We sign the .pdf with an imprint. We store the .sig file with us.

Answer 1

Instructions for working with CryptoPro EDS Browser plug-in can be found on the manufacturer's website: cpdn.cryptopro.ru/default.asp?url=content/cades/pl...
Example: https://www.cryptopro.ru/sites/default /files/product...