Horton

Re: Add "password_protocol" connection parameter to libpq

Jonathan S. Katz <jkatz@postgresql.org>

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From: "Jonathan S. Katz" <jkatz@postgresql.org>
To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, Jeff Davis <pgsql@j-davis.com>, Stephen Frost <sfrost@snowman.net>, Michael Paquier <michael@paquier.xyz>
Cc: pgsql-hackers@postgresql.org
Date: 2019-08-11T19:46:46Z
Lists: pgsql-hackers 
On 8/11/19 1:00 PM, Peter Eisentraut wrote:
> On 2019-08-09 23:56, Jeff Davis wrote:
>> 1. Hierarchical semantics, where you specify the least-secure
>> acceptable method:
>>
>>   password_protocol = {any,md5,scram-sha-256,scram-sha-256-plus}
> 
> What would the hierarchy be if scram-sha-512 and scram-sha-512-plus are
> added?

password_protocol =
{any,md5,scram-sha-256,scram-sha-512,scram-sha-256-plus,scram-sha-512-plus}?

I'd put one length of digest over another, but I'd still rank a method
that uses channel binding has more protections than one that does not.

Jonathan

Commits

  1. Add libpq parameter 'channel_binding'.