pub(crate) fn import_key_aes_ctr( global: &GlobalScope, format: KeyFormat, key_data: &[u8], extractable: bool, usages: Vec<KeyUsage>, can_gc: CanGc, ) -> Result<DomRoot<CryptoKey>, Error>
https://w3c.github.io/webcrypto/#aes-ctr-operations-import-key