1 Long: engine 2 Arg: <name> 3 Help: Crypto engine to use 4 Protocols: TLS 5 Category: tls 6 --- 7 Select the OpenSSL crypto engine to use for cipher operations. Use --engine 8 list to print a list of build-time supported engines. Note that not all (or 9 none) of the engines may be available at run-time. 10