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Date:      Fri, 8 Jun 2012 15:00:30 +0200
From:      Lars Engels <lars.engels@0x20.net>
To:        freebsd-security@freebsd.org
Subject:   Re: Default password hash
Message-ID:  <20120608130030.GI5592@e-new.0x20.net>
In-Reply-To: <86r4tqotjo.fsf@ds4.des.no>
References:  <86r4tqotjo.fsf@ds4.des.no>

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On Fri, Jun 08, 2012 at 02:51:55PM +0200, Dag-Erling Sm=C3=B8rgrav wrote:
> We still have MD5 as our default password hash, even though known-hash
> attacks against MD5 are relatively easy these days.  We've supported
> SHA256 and SHA512 for many years now, so how about making SHA512 the
> default instead of MD5, like on most Linux distributions?
>=20
> Index: etc/login.conf
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- etc/login.conf      (revision 236616)
> +++ etc/login.conf      (working copy)
> @@ -23,7 +23,7 @@
>  # AND SEMANTICS'' section of getcap(3) for more escape sequences).
>=20
>  default:\
> -       :passwd_format=3Dmd5:\
> +       :passwd_format=3Dsha512:\
>         :copyright=3D/etc/COPYRIGHT:\
>         :welcome=3D/etc/motd:\
>         :setenv=3DMAIL=3D/var/mail/$,BLOCKSIZE=3DK,FTP_PASSIVE_MODE=3DYES=
:\
>=20

+1

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