OpenSSL and GnuTLS, wolfSSL, mbedTLS, Secure Transport macOS 10.7+/iOS 10+, Schannel sha256 support: OpenSSL ... OpenSSL "s_client" and "s_server" utilities. " --sigalgs " allows a…verbatim to the SSL/TLS engine (OpenSSL or GnuTLS) and hence its format and syntax ... Refer to the OpenSSL or GnuTLS documentation for more information. --no-check-certificatethat will be passed to the OpenSSL engine or provider, as specified by --private ... tuple, such as engine:pkcs11. The specified OpenSSL signing engine or provider will be usedconnection instead of trying to find an openssl or stunnel executable via a simple heuristic ... below). This option must specify one of openssl or stunnel . The equal sign is requ…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…name CA file in PEM format (check OpenSSL docs, implies --ssl ). • --ssl-capath= name ... directory (check OpenSSL docs, implies --ssl ). • --ssl-cert= name X509 cert in PEM format…