From: Herbert Xu Subject: Re: Questions about ahash Date: Mon, 25 Oct 2010 20:04:40 -0400 Message-ID: <20101026000440.GA6243@gondor.apana.org.au> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: herbert@gondor.hengli.com.au, mark.a.allyn@intel.com, linux-crypto@vger.kernel.org To: Mark Allyn Return-path: Received: from helcar.apana.org.au ([209.40.204.226]:40492 "EHLO fornost.hengli.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758756Ab0JZAEp (ORCPT ); Mon, 25 Oct 2010 20:04:45 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-crypto-owner@vger.kernel.org List-ID: Mark Allyn wrote: > > Herbert: > > Perhaps this is very fundamential, but what is the difference between > synchronous and asynchronous as far as crypto is concerned? My device > performs encryption and decryption asynchronously in relation to > the main processor in the system. The driver tells the device to > do x, then goes away and does other stuff, then gets an interrupt > when the device is done and ready. That is clearly a candidate for the ahash interface. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt