## Matthias Apitz (guru@unixarea.de):
> sisis71=# select rolname, rolpassword from pg_authid where rolname = 'sisis';
> rolname | rolpassword
> ---------+-------------------------------------
> sisis | md52f128a1fbbecc4b16462e8fc8dda5cd5
>
> I know the clear text password of the role, it is simple 'sisis123', how
> could I calculate the above MD5 hash from the clear text password, for
> example in C? Which salt is used for the crypt(3) function?
The documentation on pg_authid has the details:
"The MD5 hash will be of the user's password concatenated to their user name."
https://www.postgresql.org/docs/12/catalog-pg-authid.html
Regards,
Christoph
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