PHP Requires Chilkat v11.0.0+

Generate RSA Key and Export to Encrypted PEM

See more RSA Examples

_LANGUAGE_ sample showing how to generate an RSA key and export to encrypted PEM. Chilkat2 PHP

<?php

use Chilkat2\PrivateKey;
use Chilkat2\Rsa;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$rsa = new Rsa();

// Generate a 1024-bit key.  Chilkat RSA supports
// key sizes ranging from 512 bits to 4096 bits.
$privKey = new PrivateKey();
try {
    $rsa->GenKey(1024, $privKey);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

$strEncPem = $privKey->GetPkcs8EncryptedPem('myPassword');

// You now have the private key in an encrypted format,
// which may be (for example) saved to a database.

echo $strEncPem, "\n";