From: Satyam Sharma Subject: Re: Crypto API Weirdnesses Date: Tue, 31 Jul 2007 19:23:48 +0530 (IST) Message-ID: References: <31e679430707301336v37bc7433jed09451ab60ad89a@mail.gmail.com> <961aa3350707310626l24d1d910u75ed703d8d422082@mail.gmail.com> <31e679430707310632u52f43fefg8313143953ccb9b3@mail.gmail.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=us-ascii Cc: Akinobu Mita , linux-kernel@vger.kernel.org, Herbert Xu , linux-crypto@vger.kernel.org, dm-devel@redhat.com To: Felipe Balbi Return-path: In-Reply-To: <31e679430707310632u52f43fefg8313143953ccb9b3@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org Hi, On Tue, 31 Jul 2007, Felipe Balbi wrote: > On 7/31/07, Akinobu Mita wrote: > > > > "Failed to setup dm-crypt key mapping. > > > > Check kernel for support for the aes-cbc-essiv:sha256 cipher spec and > > > > verify that /dev/hda4 contains at least 133 sectors. > > > > Failed to read from key storage" > > > > > > Looks like a "cryptsetup" error message, not kernel's. > > > > I can't find CONFIG_DM_CRYPT in the .config. > > Maybe cryptsetup needs it. > > yeah... it was that... working ;-) Ugh, you should at least be checking if you've built the kernel with the same config options :-) Of course, if you did a simple "make oldconfig" but still lost some config options, then that's definitely a regression... (was that the case here, btw?) > btw... why DM_CRYPT is below "Multi-Devices" menu and not in > "Cryptographic Options"? Well, DM_CRYPT /is/ a device-mapper target first. "Cryptographic options" is for _actual_ crypto code, such as algorithm implementations etc. Users such as encrypting file systems / IPsec / dm-crypt are better off at their logical places, I'd say. Satyam