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Date: Sun, 13 Apr 2014 16:53:45 +0100
From: Alec Muffett <alec.muffett@...il.com>
To: discussions@...sword-hashing.net
Subject: Re: [PHC] Do we need a common password hashing API?

On 13 April 2014 00:53, Bill Cox <waywardgeek@...il.com> wrote:

> Now that I've got all the entries linking with the PHS API, I wonder if it
> would be useful to provide the world with a real one, something they could
> actually use in their applications.  If I were developing an application
> right now that needed to hash passwords, I'd like to future-proof my code
> by linking against an "official" API, which would allow me to select an
> established hashing algorithm now (like Bcrypt, Script, PBKDF2, or HKDF),
> and easily switch in the future, after PHC winners are announced.
>
> Such an API would need some more parameters than the PHS API, such as the
> hashing algorithm (like PBKDF2), a PRF (like SHA256), and a boolean flag
> saying whether it's OK for the algorithm to clear the password.  We might
> also want an additional data field, or maybe even a generic interface that
> would allow users to hash as much data as they like, similar to the
> init/update/final APIs.  Maybe it would be good to have something for
> dealing with salt and settings string generation, similar to what
> Pufferfish has.  The easier we can make life for users, the better.
>

Some of this was the original intention behind the Solaris Pluggable Crypt
Framework. [statement of interest: I am a co-author]

tl;dr: make it ASCII and let the DLL sort out the details.
http://dropsafe.crypticide.com/article/1389

    - alec



-- 
http://dropsafe.crypticide.com/aboutalecm

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