[stunnel-users] Problems when using PSK between a version of stunnel usingopenssl 1.0 and a version of stunnel using openssl 1.1.1 in stunnel-users Digest, Vol 182, Issue 7

Koperberg, J. (Hannah) hannah.koperberg at devolksbank.nl
Wed Sep 25 14:18:04 CEST 2019

Hi Brent

Thank you for your suggestions.

I installed stunnel version 5.55 on the client test side (where the openssl version OpenSSL 1.1.1c is).
That has solved the problem.

Kind regards and thanks again for your help,

Hannah Koperberg, de Volksbank N.V., The Netherlands

From: Brent Kimberley <brent_kimberley at rogers.com>
Sent: woensdag 18 september 2019 18:30
To: stunnel-users at stunnel.org
Subject: Re: [stunnel-users] stunnel-users Digest, Vol 182, Issue 7

psk_find() and psk_server_callback() are marked NOEXPORT.

You can try whitebox - decompile ctx.c:: psk_server_callback() and/or blackbox - breaking the problem into parts to see what works/fails.

Decomposing the problem into parts :
a) Two differing stunnel versions and a common openssl library.
b) One common stunnel version and two differing openssl libraries.

On Wednesday, September 18, 2019, 11:28:48 a.m. EDT, Brent Kimberley <brent_kimberley at rogers.com<mailto:brent_kimberley at rogers.com>> wrote:

>> 2019.09.16 13:36:28 LOG6[3]: PSK identity not found (session resumption?)
Try dumping the symbols for ctx.c::psk_find(), ssl_lib.c::SSL_get_ex_data(), and ctx.c:: psk_server_callback().


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