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Date:      Wed, 23 May 2018 17:50:04 -0400
From:      Yonas Yanfa <yonas@fizk.net>
To:        Mark Felder <feld@freebsd.org>
Cc:        freebsd-security@freebsd.org
Subject:   Re: Default password hash, redux
Message-ID:  <CALJrc1zkJmr29M-8pkuTVtVroh%2Bf=8z53AVmSnhSipAMgqLuxw@mail.gmail.com>
In-Reply-To: <1527111631.2205598.1382649664.0BF85F15@webmail.messagingengine.com>
References:  <1527111631.2205598.1382649664.0BF85F15@webmail.messagingengine.com>

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I recommend adding support for Argon2.

https://en.wikipedia.org/wiki/Argon2

On Wed, May 23, 2018, 5:42 PM Mark Felder, <feld@freebsd.org> wrote:

> Around 2012[1] we made the brave switch from md5crypt to sha512. Some
> people were asking for bcrypt to be default, and others were hoping we
> would see pbkdf2 support. We went with compatible. Additionally, making
> password hashing more
>
> In light of this new article[2] I would like to rehash (pun intended) this
> conversation and also mention a bug report[3] we've been sitting on in some
> form for 12 years[4] with usable code that would make working with password
> hashing algorithms easier and the rounds configurable by the admin.
>
> I'd also like to see us to pull in scrypt if cperciva doesn't have any
> objections. It's good to have options.
>
> PS: Why does "compatibility" matter for a default algorithm? Having a
> default different than Linux or Solaris isn't a bad thing as long as we
> implement the industry's common hashes which would permit any management
> tools twiddling the master.passwd manually to still be able to insert the
> password hashes in a common format...
>
> [1]
> https://lists.freebsd.org/pipermail/freebsd-security/2012-June/006271.html
> [2]
> https://pthree.org/2018/05/23/do-not-use-sha256crypt-sha512crypt-theyre-dangerous/
> [3] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=182518
> [4] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=75934 is the
> original report about the issue
>
> --
>   Mark Felder
>   ports-secteam & portmgr member
>   feld@FreeBSD.org
> _______________________________________________
> freebsd-security@freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-security
> To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.org
> "
>



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