Re: SSL compression

From: Abhijit Menon-Sen <ams(at)toroid(dot)org>
To: "Michael J(dot) Baars" <mjbaars1977(dot)pgsql(dot)hackers(at)gmail(dot)com>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: SSL compression
Date: 2021-11-08 08:00:21
Message-ID: YYjZFYSFDJ27BHGR@toroid.org
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At 2021-11-08 08:41:42 +0100, mjbaars1977(dot)pgsql(dot)hackers(at)gmail(dot)com wrote:
>
> Could someone please explain to me, why compression is being
> considered unsafe / insecure?

https://en.wikipedia.org/wiki/CRIME

> Might the underlying reason be, that certain people have shown
> interest in my libpq/PQblockwrite algorithms (
> https://www.postgresql.org/message-id/c7cccd0777f39c53b9514e3824badf276759fa87.camel%40cyberfiber.eu)
> but felt turned down and are now persuading me to trade the algorithms
> against SSL compression, than just say so please. I'll see what I can
> do.

The whole world is trying to move away from TLS compression (which has
been removed from TLS 1.3). It has nothing to do with you.

-- Abhijit

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