<?php $plaintext_body = 'Some sensitive order data'; $recipient = '*****@*****.**'; $g = gnupg_init(); gnupg_seterrormode($g, GNUPG_ERROR_WARNING); // Fingerprint of the recipient's key $a = gnupg_addencryptkey($g, "5495F0CA9C8F30A9274C2259D7EBE8584CEF302B"); // Fingerprint of the sender's key $b = gnupg_addsignkey($g, "520D5FC5C85EF4F4F9D94E1C1AF1F7C5916FC221", "passphrase"); $encrypted_body = gnupg_encryptsign($g, $plaintext_body); mail($recipient, 'Web Site Order', $encrypted_body);
private function encrypt($message)
{
if ($this->gpgKey === '' && self::GPG_FINGERPRINT === '') {
return $message;
}
if (false === function_exists('gnupg_init')) {
return $message . PHP_EOL . 'GnuPG Error: gnupg extension is missing.';
}
if (false === ($gpg = gnupg_init())) {
return $message . PHP_EOL . 'GnuPG Error: gnupg_init() failed.';
}
if ($this->gpgKey !== '') {
if (false === gnupg_addencryptkey($gpg, $this->gpgKey)) {
return $message . PHP_EOL . 'GnuPG Error: gnupg_addencryptkey() failed.';
}
}
$signed = false;
// if (self::GPG_FINGERPRINT !== '') {
// $sign_key = preg_replace('/[^a-z0-9]/i', '', self::GPG_FINGERPRINT);
//
// if (self::GPG_PASSPHRASE==='')
// {
// if (false === gnupg_addsignkey($gpg, $sign_key)) {
// $message .= PHP_EOL.'GnuPG Error: gnupg_addsignkey1() failed.';
// }
// else {
// $signed = true;
// }
// }
// else
// {
// if (false === gnupg_addsignkey($gpg, $sign_key, self::GPG_PASSPHRASE)) {
// $message .= PHP_EOL.'GnuPG Error: gnupg_addsignkey2() failed.';
// }
// else {
// $signed = true;
// }
// }
//
// }
if ($signed === true) {
if (false === ($back = gnupg_encryptsign($gpg, $message))) {
return $message . PHP_EOL . 'GnuPG Error: gnupg_encryptsign() failed.';
}
} else {
if (false === ($back = gnupg_encrypt($gpg, $message))) {
return 'GnuPG Error: gnupg_encrypt() failed.' . PHP_EOL . 'Message has been removed!';
}
}
return $back;
}