ssl_ctx_use_certificate:ca md too weak
I upgraded my ubuntu server to 20.04. After this process, doing calls passing certificate gives the following error
error: Error: [(‘SSL routines’, ‘SSL_CTX_use_certificate’, ‘ca md too weak’)]
openssl version : OpenSSL 1.1.1f 31 Mar 2020
I found the solution, according to the accepted answer of this question: Ubuntu 20.04 — how to set lower SSL security level?
In particular, the openSSL configuration file /etc/ssl/openssl.cnf shall be modified in the following way.
At the beginning, add
openssl_conf = default_conf
At the end, add
[ default_conf ]
ssl_conf = ssl_sect
[ssl_sect]
system_default = ssl_default_sect
[ssl_default_sect]
MinProtocol = TLSv1.2
CipherString = DEFAULT:@SECLEVEL=0
After this modification, the certificate is recognized without security errors.
