/** * Unregisters an encryption module * * @param IEncryptionModule $module */ public function unregisterEncryptionModule(IEncryptionModule $module) { unset($this->encryptionModules[$module->getId()]); }
/** * create header for encrypted file * * @param array $headerData * @param IEncryptionModule $encryptionModule * @return string * @throws EncryptionHeaderToLargeException if header has to many arguments * @throws EncryptionHeaderKeyExistsException if header key is already in use */ public function createHeader(array $headerData, IEncryptionModule $encryptionModule) { $header = self::HEADER_START . ':' . self::HEADER_ENCRYPTION_MODULE_KEY . ':' . $encryptionModule->getId() . ':'; foreach ($headerData as $key => $value) { if (in_array($key, $this->ocHeaderKeys)) { throw new EncryptionHeaderKeyExistsException($key); } $header .= $key . ':' . $value . ':'; } $header .= self::HEADER_END; if (strlen($header) > $this->getHeaderSize()) { throw new EncryptionHeaderToLargeException(); } $paddedHeader = str_pad($header, $this->headerSize, self::HEADER_PADDING_CHAR, STR_PAD_RIGHT); return $paddedHeader; }