From mboxrd@z Thu Jan 1 00:00:00 1970 From: Petr Baudis Subject: Re: Bug in crypt(3) man page Date: Sun, 6 Jun 2010 12:44:55 +0200 Message-ID: <20100606104455.GF16800@machine.or.cz> References: <20100605114404.GA30106@cisunix.unh.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20100605114404.GA30106-gUudzVX/zFgk2GylmosdeQ@public.gmane.org> Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Paul A Sand Cc: mtk-manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-man@vger.kernel.org On Sat, Jun 05, 2010 at 07:44:05AM -0400, Paul A Sand wrote: > Hi -- > > I have version 3.23 of man-pages (Fedora 13). At the very > end of 'Glibc Notes' of crypt(3): > > In the SHA implementation the entire key is significant > (instead of only the first 8 bytes in MD5). > > I'm pretty sure that's incorrect. I think both MD5 and SHA implementations > use the whole key, and the 8-byte significance restriction is > applies to (just) the original DES. Thanks, this shold be already fixed in the git version. > The man page also may be incorrect with the max salt lengths. > I think this is eight bytes for MD5, 16 for SHA-256 and SHA-512. > (The page implies 16 for MD5 too.) I think the manpage is not strictly wrong here, though it could be more detailed; patches are welcome. -- Petr "Pasky" Baudis The true meaning of life is to plant a tree under whose shade you will never sit. -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html