MariaDB Connector/C added the MARIADB_OPT_SSL_CIPHER_STRENGTH option in the following commit:
It looks like it was renamed to MARIADB_OPT_TLS_CIPHER_STRENGTH, probably in the following commit:
It looks like this option's value was once used to set the "minimim cipher strength" for Schannel on Windows. However, it looks like the value has been unused since this commit:
Does this option serve any purpose anymore?