Re: Add "password_protocol" connection parameter to libpq - Mailing list pgsql-hackers

From Jonathan S. Katz
Subject Re: Add "password_protocol" connection parameter to libpq
Date
Msg-id 75dff08d-12cd-9e85-97ec-d7db55e224a7@postgresql.org
Whole thread Raw
In response to Re: Add "password_protocol" connection parameter to libpq  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
Responses Re: Add "password_protocol" connection parameter to libpq  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
List 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


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