(PHP Extension) Generate RSA Key and return Base64 PKCS8 Private Key
Demonstrates how to generate a new 2048-bit RSA private key and returns the Base64 encoded PKCS8 representation of the private key.
<?php
include("chilkat.php");
// Use "chilkat_9_5_0.php" for versions of Chilkat < 10.0.0
$rsa = new CkRsa();
// Generate a 2048-bit key. Chilkat RSA supports
// key sizes ranging from 512 bits to 8192 bits.
$success = $rsa->GenerateKey(2048);
if ($success != true) {
print $rsa->lastErrorText() . "\n";
exit;
}
// privKey is a CkPrivateKey
$privKey = $rsa->ExportPrivateKeyObj();
// Get the private key in PKCS8 Base64 format
$privKeyPkcs8Base64 = $privKey->getPkcs8ENC('base64');
// The key in base64 format will start similar to this:
// MIIEvAIBADANBgkqhkiG9w0BA...
print $privKeyPkcs8Base64 . "\n";
?>
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