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From Martin Harris <martin.har...@cloudsoftcorp.com>
Subject Re: Password hash changes
Date Thu, 25 Jun 2015 14:41:10 GMT
I'd say '2' for now, then '1' in the next release

Cheers

M

On 25 June 2015 at 15:39, Richard Downer <richard@apache.org> wrote:

> All, but in particular @alasdairhodge, @grkvlt and @ahgittin:
>
> PR #687 "Tweak PasswordHasher to avoid potentially misleading use of
> ByteBuffer.array()" has an unresolved discussion around this potential
> break in backwards compatibility.
>
> This question is blocking the release, so we should come up with an answer.
>
> The issue is a recent change in the password hashing algorithm. Password
> hashes from before and after the change are not compatible, so users with
> hashed passwords in their brooklyn.properties must regenerate them.
>
> The options are:
>
> 1 - document in the release notes that users must regenerate their password
> hashes.
> 2 - change the code to try both old and new variants of the algorithm. Warn
> the user they need to update.
> 3 - supply an upgrade tool (haven't checked if this is feasible)
>
> What are people's opinions?
>
> Richard.
>



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Martin Harris
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Mobile: +44 (0)7989 047-855

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