PDF Multiple Signer

Job ID: 33812465

Budget: $30 – $250 USD

I need a pdf multiple signer that be capable to containt multiple digital pfx or other kind of certificates without invalidate the previous signature.
By example: On person sign a contract, after that another persons sign the same pdf document without corrupt the file and previous signature.

Php 7.4
Work with tcpdf documents.
Cert type: pfx or crt.
Signature must publish details like: place where it was signed, ip, web site, and other obvious details.
Woul like a developer with openSSL skills.
Related categories: PHP Software Architecture MySQL HTML OpenSSL