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Example code of lufox11/pdf-sign-validator

Informations about the package pdf-sign-validator

PDF Sign Validator

PDF Sign Validator is a simple wrapper to validate a PDF signature against a public key.\ After spending an entire day looking for a similar solution I gave up and ended up building a solution by myself with the help of my best friend, John Stack Overflow.\ This is nothing more than just a wrapper of real cryptographic functions from Sop\ANS1 and Sop\X509 repositories.

Installation

Just require this package in your project using Composer:

Usage

Methods you may'd like to use:

signCount: Returns the amount of signatures found in file.\ signIsValid: Validates that the file signature corresponds to the issuer's root PEM certificate.\ certIsValid: Validates that the subject certificate was issued by the issuer certificate.\ signMatchSubject: Validates that the certificate (extracted from the signature) match the subject's PEM certificate.\ infoFromPDF: Reads an attached signature to a PDF file and returns the info inside.\ infoFromPEM: Reads a certificate in PEM format and returns the info inside.

A real use case (Argentina):

  1. Sign a PDF file through Firmar.gob.ar and download the file (signed.pdf).
  2. Download the issuer's root certificate (issuer.cer).
  3. Download your public certificate (subject.cer).

License

This project is licensed under the MIT License.

All versions of pdf-sign-validator with dependencies

PHP Build Version
Package Version
Requires php Version >=7.2
sop/asn1 Version ^4.1
sop/x509 Version ^0.7.1
binary-cube/dot-array Version dev-master
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