Re: PG 10: could not generate random cancel key

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PG 10: could not generate random cancel key
Date: 2018-07-18 13:01:09
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On Wed, Jul 18, 2018 at 10:14:56AM +0100, Dean Rasheed wrote:
> OK, I guess that it is possible that an older version of OpenSSL
> requires RAND_poll() to be called multiple times. Here's an updated
> patch doing that (with up to 8 retries, based on the old OpenSSL
> code).

Thanks for the updated version. This looks safer to me. It is possible
to simplify the code by removing the external RAND_status() call and
check for RAND_status() first in the loop as per the attached.

Attachment Content-Type Size
pg_strong_random-v3-michael.patch text/x-diff 1.1 KB

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