Board:   [fsxNet] Mystic BBS discussion/support
Subject: Cryptlib 3.4.9.6 working w/latest ciphers
From:    ogg (21:2/147)
Date:    Fri Oct 23, 2026 16:27

On 23 Oct 2026, MeaTLoTioN said the following...

 Me> Attention all Linux Mystic sysops who use cryptlib for SSH,
 Me>
 Me> I've just managed to get 3.4.9.6 working with the newer ciphers -
 Me> created a shim that translates session-attribute enum values (as Mystic
 Me> has hardcoded them using the number lol).
 Me>
 Me> If anyone wants to test, call my bbs via ssh on port 45022, and make
 Me> sure that the "Allow AES128-CBC" is set to "No" - so you use the newer
 Me> ciphers (thanks @De uce for making SyncTERM the greatest!)
 Me>
 Me> Mystic still sends data early, so the "Accept Early Data" needs to
 Me> remain as "Yes" for the moment.
 Me>
 Me> I made an installer too, so anyone who has Mystic v1.12 A49 (and maybe
 Me> older versions) should be able to use my shim plus the latest version of
 Me> cryptlib (as of today - newer will need an upgraded conversion table
 Me> likely)
 Me>
 Me> I think it could be useful for Mystic sysops - especially considering
 Me> Mystic is now abandonware (or seemingly), having a more uptodate
 Me> cryptlib and using newer ciphers keeps us safe and secure =)
 Me>
 Me> Check out my github repo here;
 Me> https://github.com/christiansacks/mystic-cryptlib-3.4.9.6

Works great!! Had no issues at all and everything seems to be working!

Thanks ML.

ogg
SYSOP, Altair IV BBS
SSBBSS-M-00003 Certified BBS SYSOP

--- Mystic BBS v1.12 A49 2024/05/29 (Linux/64)
 * Origin: Altair IV BBS (altairiv.ddns.net:2323) (21:2/147)
.