| From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
|---|---|
| To: | Matthias Apitz <guru(at)unixarea(dot)de>, Justin <zzzzz(dot)graf(at)gmail(dot)com> |
| Cc: | "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: calculating the MD5 hash of role passwords in C |
| Date: | 2020-01-22 21:05:07 |
| Message-ID: | 6ecdd8da-1a3c-1b30-ea61-3756b57beafb@aklaver.com |
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| Lists: | pgsql-general |
On 1/22/20 12:58 PM, Matthias Apitz wrote:
> El día miércoles, enero 22, 2020 a las 03:32:17p. m. -0500, Justin escribió:
>
>> Not sure what your after but here is more information regarding how to
>> store passwords in Postgresql, ...
>
> I just want to write a piece of C-code to generate the same string as
> stored in rolpassword based on the roles password (and as I learned
> added the rolname), i.e. how to generate md52f128a1fbbecc4b16462e8fc8dda5cd5
> from sisis123 (password) and sisis (rolename). And this, not to brute
> force credentials, but to understand the hash.
The way Postgres does it:
https://doxygen.postgresql.org/src_2common_2md5_8c.html#ad1cda4632643f79bbb60f0466fec0e41
>
> matthias
>
>
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
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