I currently do not have a more regular smartcard setup to test out a
hardware pk11 engine with openssl, which is typically the most common
one. But I can use software gost engine to test out that algos provided
by the engine operate correctly.

Installed openssl from proposed, and gost engine.

$ dpkg -l | grep -e 1.1.1f -e openssl

ii  libengine-gost-openssl1.1  1.1.0.3-1                    amd64        
Loadable module for openssl implementing GOST algorithms
ii  libssl1.1:amd64            1.1.1f-1ubuntu2.9            amd64        Secure 
Sockets Layer toolkit - shared libraries
ii  openssl                    1.1.1f-1ubuntu2.9            amd64        Secure 
Sockets Layer toolkit - cryptographic utility

Without engine configured, connectivity fails to GOST only website:

# openssl s_client -connect tlsgost.cryptopro.ru:443
CONNECTED(00000003)
140163445085504:error:1425F102:SSL 
routines:ssl_choose_client_version:unsupported 
protocol:../ssl/statem/statem_lib.c:1941:


Configured gost engine, and connect to GOST only website:

# openssl s_client -connect tlsgost.cryptopro.ru:443 
CONNECTED(00000003)
depth=0 CN = id-GostR3410-2001-CryptoPro-XchA-ParamSet_256noauth
verify error:num=20:unable to get local issuer certificate
verify return:1
depth=0 CN = id-GostR3410-2001-CryptoPro-XchA-ParamSet_256noauth
verify error:num=21:unable to verify the first certificate
verify return:1
...
New, TLSv1.0, Cipher is GOST2012-GOST8912-GOST8912
Server public key is 256 bit
...
GET /
...
<p> TLS connection with id-GostR3410-2001-CryptoPro-XchA-ParamSet no auth 
requred.</p>


Connectivity using algos provided by a crypto engine worked.

Note that certificate was not verified, as we don't currently ship GOST
CA certificates.

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https://bugs.launchpad.net/bugs/1940656

Title:
  Potential use after free bugs in 1.1.1

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