PHP ActiveX

Load a Private Key from a PEM File

Demonstrates the Chilkat PrivateKey.LoadPemFile method, which loads a private key from a PEM file. The only argument is the file path. It cannot load a password-protected key — use LoadEncryptedPemFile for that.

Note: The file path is relative to the application's current working directory. Absolute paths may also be used. Supply the path to your own key file.

Background: The file-based counterpart to LoadPem, for the common case where the key lives in a .pem file. Like LoadPem it handles only unencrypted PEM; if the file is encrypted the load fails, signaling that you need the password-aware loader. When the exact on-disk format is uncertain, LoadAnyFormatFile auto-detects it.

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<?php

$success = 0;

//  Demonstrates the PrivateKey.LoadPemFile method, which loads a private key from a PEM file.  The
//  only argument is the file path.  It cannot load a password-protected key -- use
//  LoadEncryptedPemFile for that.

$privKey = new COM("Chilkat.PrivateKey");

$success = $privKey->LoadPemFile('qa_data/private_unencrypted.pem');
if ($success == 0) {
    print $privKey->LastErrorText . "\n";
    exit;
}

print 'Loaded a ' . $privKey->KeyType . ' private key.' . "\n";

?>