Using high level encryption standards seemed to be the sticking point in early devices. Standard chips ran the authentication protocols too slowly. http://app

Using high level encryption standards seemed to be the sticking point in early devices. Standard chips ran the authentication protocols too slowly. http://appleinsider.com/articles/15/07/22/homekit-market-held-back-by-apples-high-encryption-demands---report http://appleinsider.com/articles/15/07/22/homekit-market-hel... However, getting the fundamentals correct definitely includes using high level encryption protocols, and we've seen what happens with devices that do not do so.