[ovirt-devel] Feature AAA JDBC password hashing

Alon Bar-Lev alonbl at redhat.com
Thu Apr 24 13:14:06 UTC 2014



----- Original Message -----
> From: "Sven Kieske" <S.Kieske at mittwald.de>
> To: "Alon Bar-Lev" <alonbl at redhat.com>
> Cc: devel at ovirt.org
> Sent: Thursday, April 24, 2014 4:01:52 PM
> Subject: Re: [ovirt-devel] Feature AAA JDBC password hashing
> 
> scrypt is no cipher, it's a key derivation function
> based on a hash.
> see [1] or [2] for details.
> 
> I know that http://www.ovirt.org/Features/AAA_JDBC
> states there will be additional anti brute force
> mechanics, but those don't apply e.g. if a database
> gets stolen.

We relay on what Java JCE can provide natively to avoid US export regulations issues.

I believe that the basic implementation of random + hash(random, password) should be sufficient for 99% of cases.

If someone needs additional security he can always fork this extension and enhance it or just use LDAP which complies with the requirements he may have.

> 
> HTH
> 
> Am 24.04.2014 14:39, schrieb Alon Bar-Lev:
> > Why do you need cipher when you can use hash?
> 
> PS:
> This is just a general remark regarding security.
> 
> I don't know about the scope of this feature
> as it is neither stated in the BZ nor on the
> wiki, so I might be wrong.
> 
> [1] https://en.wikipedia.org/wiki/Scrypt
> [2] http://tools.ietf.org/html/draft-josefsson-scrypt-kdf-01
> 
> --
> Mit freundlichen Grüßen / Regards
> 
> Sven Kieske
> 
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