[keycloak-dev] KEYCLOAK-1900 - Pluggable password hashing algorithm

[Kunal K]

Thanks for those notes Stian, I will read up and document my progress on
this thread.

On Tue, Nov 17, 2015 at 8:50 PM, Stian Thorgersen <sthorger at redhat.com>
wrote:

> Hi,
>
> That would be awesome.
>
> First step would be to read
> http://keycloak.github.io/docs/userguide/keycloak-server/html/providers.html
> to understand how Keycloak provides SPIs.
>
> Next thing would be to add:
>
> * class PasswordHashSPI
> * interface PasswordHashProviderFactory
> * interface PasswordHashProvider
>
> These should be added to services module. You would also need to
> change Pbkdf2PasswordEncoder to be the default implementation.
>
> Instead of using Pbkdf2PasswordEncoder directly code should use
> session.getProvider(PasswordHashProvider.class, algorithm). algorithm
> should be set to on credential entities
> (UserCredentialValueModel.algorithm). We also need a mechanism to specify
> the default algorithm (that would be used when users sets new password and
> also for existing users in the db).
>
>
> On 17 November 2015 at 16:06, Kunal K <kunal at plivo.com> wrote:
>
>> Hi all,
>>
>> I would like to start a discussion on how to implement -
>> https://issues.jboss.org/browse/KEYCLOAK-1900
>>
>> I have a django web app and all of my users are in a postgres database
>> with salted passwords hashed using SHA. I have been reading how I can use
>> UserFederation to implement by own credential validation, but the drawback
>> here would be that I'll have to keep maintaining my old database.
>>
>> For starters, I was thinking of replacing all occurrences of
>> Pbkdf2PasswordEncoder with an equivalent SHAPasswordEncoder, which is a
>> very crude approach and I'm not sure if it will even work. After some bit
>> of reading I saw this ticket -
>> https://issues.jboss.org/browse/KEYCLOAK-1900
>>
>> I would like to implement a custom hashing SPI and would love to get some
>> pointers on how to go about it.
>>
>> Thanks
>>
>> --
>> *KUNAL KERKAR *| PRODUCT ENGINEER
>> Plivo, Inc. 340 Pine St, San Francisco - 94104, USA
>> Web: www.plivo.com | Twitter: @plivo <http://twitter.com/plivo>, @tsudot
>> <http://twitter.com/tsudot>
>>
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>
>


-- 
*KUNAL KERKAR *| PRODUCT ENGINEER
Plivo, Inc. 340 Pine St, San Francisco - 94104, USA
Web: www.plivo.com | Twitter: @plivo <http://twitter.com/plivo>, @tsudot
<http://twitter.com/tsudot>

Free Incoming SMS for All US Short Codes – Get One Today!
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