Re: SCRAM salt length
Simon Riggs <simon@2ndquadrant.com>
From: Simon Riggs <simon@2ndquadrant.com>
To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2017-08-17T07:41:54Z
Lists: pgsql-hackers
On 16 August 2017 at 14:10, Peter Eisentraut <peter.eisentraut@2ndquadrant.com> wrote: > The SCRAM salt length is currently set as > > /* length of salt when generating new verifiers */ > #define SCRAM_DEFAULT_SALT_LEN 12 > > without further comment. > > I suspect that this length was chosen based on the example in RFC 5802 > (SCRAM-SHA-1) section 5. But the analogous example in RFC 7677 > (SCRAM-SHA-256) section 3 uses a length of 16. Should we use that instead? 16 preferred, IMHO -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
Commits
-
Increase SCRAM salt length
- cf98e3837db3 10.0 landed
- fe7774144d5c 11.0 landed
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Make SCRAM salts and nonces longer.
- 0557a5dc2cf8 10.0 cited