linux-ext4 - Re: [PATCH v3 04/12] ext2fs: Implement faster CI comparison of strings

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]

Message-ID: <YBIoeLfE2Wfh2fB6@mit.edu>
Date:   Wed, 27 Jan 2021 21:59:04 -0500
From:   "Theodore Ts'o" <tytso@....edu>
To:     Arnaud Ferraris <arnaud.ferraris@...labora.com>
Cc:     linux-ext4@...r.kernel.org, drosen@...gle.com,
        krisman@...labora.com, ebiggers@...nel.org
Subject: Re: [PATCH v3 04/12] ext2fs: Implement faster CI comparison of
 strings

On Thu, Dec 17, 2020 at 06:35:36PM +0100, Arnaud Ferraris wrote:
> From: Gabriel Krisman Bertazi <krisman@...labora.com>
> 
> Instead of calling casefold two times and memcmp the result, which
> require allocating a temporary buffer for the casefolded version, add a
> strcasecmp-like method to perform the comparison of each code-point
> during the casefold itself.
> 
> This method is exposed because it needs to be used directly by fsck.
> 
> Signed-off-by: Gabriel Krisman Bertazi <krisman@...labora.com>
> Signed-off-by: Arnaud Ferraris <arnaud.ferraris@...labora.com>

Thanks, applied.

					- Ted