Generate RSA Public/Private Key

PHP example code showing how to generate an RSA public/private key.

Download 32-bit Chilkat RSA ActiveX (.msi)

Download All 32-bit Chilkat ActiveX Components (.zip)

Download All 64-bit Chilkat ActiveX Components (.zip)

<?php

$rsa = new COM("Chilkat.Rsa");

$success = $rsa->UnlockComponent('Anything for 30-day trial');
if ($success != true) {
    print $rsa->lastErrorText() . "\n";
    exit;
}

//  Generate a 1024-bit key.  Chilkat RSA supports
//  key sizes ranging from 512 bits to 4096 bits.
$success = $rsa->GenerateKey(1024);
if ($success != true) {
    print $rsa->lastErrorText() . "\n";
    exit;
}

//  Keys are exported in XML format:
$publicKey = $rsa->exportPublicKey();
print $publicKey . "\n";

$privateKey = $rsa->exportPrivateKey();
print $privateKey . "\n";
?>