library x509-verify {🖫 67, ⚐ 3, ★ 0}

hrobertson/x509-verify

Check if one X.509 certificate is the signer of another

Friday, March 16, 2018
by hrobertson
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67 Installations

PHP
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179 % Grown

Determine if an X.509 certificate is the signer of another., _(*1)

This is based on and uses parts of Mike Green's script from https://web.archive.org/web/20181211085459/http://badpenguins.com/source/misc/isCertSigner.php?viewSource, _(*2)

Requirements

PHP 7.0 or PHP 5.6, _(*3)

Installation

The preferred way to install this library is via [Composer][1]:, _(*4)

$ composer require hrobertson/x509-verify

Usage

use HRobertson\X509Verify\SslCertificate;

$leafCertificate = new SslCertificate(file_get_contents('example.com.pem'));
$issuerCertificate = new SslCertificate(file_get_contents('intermediate.pem'));

$leafCertificate->isSignedBy($issuerCertificate); // returns true if $leafCertificate is signed by $issuerCertificate

Licence

As stipulated by Mike Green, the author of the original script, this software is licenced under the GPLv2. Please see License File for more information., _(*5)