public function decrypt($string)
{
$user = new User();
$gpg = new gnupg();
$gpg->adddecryptkey($user->getPrivatekey());
$decryptedString = $gpg->decrypt($string);
return $decryptedString;
}
/**
* GnuPG decrypt and verify a message using the recipient private key
* Returns an array in the format: array (0 => $message, 1 => $signatures)
* http://devzone.zend.com/article/3753-Using-GnuPG-with-PHP
* NOTE: GnuPG must be installed and configured with PHP.
* The recipient must be in your private key ring
* @param string $recipient Recipient Indentity (e.g. email address)
* @param string $recipientKey Recipient Secret Key
* @param string $message Message to decrypt
* @return array
*/
public static function _verifyGnuPG($recipient, $recipientKey, $message)
{
// Create new GnuPG object
$gpg = new \gnupg();
// Set error mode
$gpg->seterrormode(\gnupg::ERROR_EXCEPTION);
// Add the recipient decryption key
$gpg->adddecryptkey($recipient, $recipientKey);
// Set decrpyted string
$decrypted = '';
// Set decrypted and verification data
$return[1] = $gpg->decryptverify($message, $decrypted);
// For each signature
foreach ($return[1] as $key => &$signature) {
// Get further user data
$signature['user'] = $gpg->keyinfo($signature['fingerprint']);
}
// Add decrypted data to return array
$return[0] = $decrypted;
// Return decryption data
return $return;
}