| From: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
|---|---|
| To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Cc: | David Steele <david(at)pgmasters(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, David Fetter <david(at)fetter(dot)org>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Julian Markwort <julian(dot)markwort(at)uni-muenster(dot)de>, Stephen Frost <sfrost(at)snowman(dot)net>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>, Valery Popov <v(dot)popov(at)postgrespro(dot)ru> |
| Subject: | Re: Password identifiers, protocol aging and SCRAM protocol |
| Date: | 2016-10-17 09:27:17 |
| Message-ID: | 4e0ae28b-b61a-248c-d96c-207c9befc125@iki.fi |
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| Lists: | pgsql-hackers |
On 10/17/2016 12:18 PM, Michael Paquier wrote:
> You removed the part of pgcrypto in charge of randomness, nice move. I
> was wondering about how to do with the perfc and the unix_std at some
> point, and ripping them off as you did is fine for me.
Yeah. I didn't understand the need for the perfc stuff. Are there
Windows systems that don't have the Crypto APIs? I doubt it, but the
buildfarm will tell us in a moment if there are.
And if we don't have a good source of randomness like /dev/random, I
think it's better to fail, than try to collect entropy ourselves (which
is what unix_std did). If there's a platform where that doesn't work,
someone will hopefully send us a patch, rather than silently fall back
to an iffy implementation.
- Heikki
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