<?php
require_once dirname(__FILE__) . '/../lib/openpgp.php';
require_once dirname(__FILE__) . '/../lib/openpgp_crypt_rsa.php';
/* Parse secret key from STDIN, the key must not be password protected */
$wkey = OpenPGP_Message::parse(file_get_contents('php://stdin'));
$wkey = $wkey[0];
$string = "This\nis\na\ntest.";
/* Create a new literal data packet */
$data = new OpenPGP_LiteralDataPacket($string, array('format' => 'u', 'filename' => 'stuff.txt'));
$data->normalize(true);
// Clearsign-style normalization of the LiteralDataPacket
/* Create a signer from the key */
$sign = new OpenPGP_Crypt_RSA($wkey);
/* The message is the signed data packet */
$m = $sign->sign($data);
/* Generate clearsigned data */
$packets = $m->signatures()[0];
echo "-----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n";
// Output normalised data. You could convert line endings here
// without breaking the signature, but do not add any
// trailing whitespace to lines.
echo preg_replace("/^-/", "- -", $packets[0]->data) . "\n";
echo OpenPGP::enarmor($packets[1][0]->to_bytes(), "PGP SIGNATURE");
/**
*/
public function __toString()
{
$bytes = $this->message->to_bytes();
if (!strlen($this->_armor)) {
return $bytes;
}
return OpenPGP::enarmor($bytes, 'PGP ' . $this->_armor, array_merge($this->headers, array('Version' => $this->armorVersion)));
}
public function signDocument()
{
$document = new \StdClass();
foreach ($this->resourceData as $term => $value) {
$document->{$term} = $this->normalizeData($value);
}
unset($document->digital_signature);
unset($document->_id);
unset($document->_rev);
unset($document->doc_id);
unset($document->publishing_node);
unset($document->update_timestamp);
unset($document->node_timestamp);
unset($document->create_timestamp);
$bencoder = new \LearningRegistry\Bencode\LearningRegistryBencodeEncoderTrial();
$document = (array) $document;
$bencodedDocument = utf8_encode($bencoder->encode($document));
$hashedDocument = hash('SHA256', $bencodedDocument);
global $loader;
if (!isset($loader)) {
$loader = $this->getLoader();
}
spl_autoload_unregister(array($loader, 'loadClass'));
require_once dirname(__FILE__) . '/../OpenPGP/openpgp.php';
require_once dirname(__FILE__) . '/../OpenPGP/openpgp_crypt_rsa.php';
require_once dirname(__FILE__) . '/../OpenPGP/openpgp_crypt_symmetric.php';
$keyASCII = $this->getKey();
$keyEncrypted = \OpenPGP_Message::parse(\OpenPGP::unarmor($keyASCII, 'PGP PRIVATE KEY BLOCK'));
foreach ($keyEncrypted as $p) {
if (!$p instanceof \OpenPGP_SecretKeyPacket) {
continue;
}
$key = \OpenPGP_Crypt_Symmetric::decryptSecretKey($this->getPassPhrase(), $p);
}
$data = new \OpenPGP_LiteralDataPacket($hashedDocument, array('format' => 'u'));
$sign = new \OpenPGP_Crypt_RSA($key);
$m = $sign->sign($data);
$packets = $m->signatures()[0];
$message = "-----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n";
$message .= $packets[0]->data . "\n";
$message .= "-----BEGIN PGP SIGNATURE-----\n\n";
$signed_data = str_replace("-----BEGIN -----", "", str_replace("-----END -----", "", \OpenPGP::enarmor($packets[1][0]->to_bytes(), "")));
$signature = str_split(trim($signed_data), 65);
foreach ($signature as $line) {
$message .= $line . "\n";
}
$message .= "-----END PGP SIGNATURE-----\n";
$this->setSigFields(array('signature' => $message, 'key_owner' => $this->getKeyOwner(), 'key_location' => array($this->getPublicKeyPath()), 'signing_method' => "LR-PGP.1.0"));
spl_autoload_register(array($loader, 'loadClass'));
$this->document = $this->createDocument();
}
