linux-kernel - Re: An idea .... with code

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 25 Aug 2008 22:47:13 -0400
From:	Bill Davidsen <davidsen@....com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject:  Re: An idea .... with code

jassi brar wrote:
> Hi,
> 
>   Lately a question has been bugging me: Why do we keep complicated(specific ioctls to set up and set free) LOOP driver to emulate a data file as block-device, for it to be mounted/formated.
> 
>  Wouldn't it be nice if we didnt have to specify '-o loop' or use losetup -d etc?
> 
>  With inspiration from UMS-Gadget and LOOP driver itself, I implemented a proof of concept: A kernel module which creats a node in /sys/devices/ and un/loads files to be emulated as block devices. The interface doesn't implement any new ioctls or a syscall.
> 
This seems like a really interesting idea, but will it interface with 
crypto applications like LUKS? Crypto seems to be a vital feature for 
anything related to devices and/or filesystems if an approach is going 
to be more than a niche slution.

-- 
Bill Davidsen <davidsen@....com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/