<?php
include '../phpseclib/vendor/autoload.php';
$rsa = new \phpseclib\Crypt\RSA();
$public = file_get_contents('public.pem');
$rsa->load($public);
$rsa->setHash('sha512');
$rsa->setMGFHash('sha512');
echo 'n= ' . $rsa->modulus . PHP_EOL;
echo 'e= ' . $rsa->exponent . PHP_EOL;
echo 'Bits: ' . $rsa->getSize() . ' bits.' . '(' . strlen($rsa->modulus) . ')' . PHP_EOL;
echo PHP_EOL;
echo $rsa->getPublicKey('PKCS1') . PHP_EOL;