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c: Copyright (C) Daniel Stenberg, daniel@haxx.se, et al. SPDX-License-Identifier: curl Long: engine Arg: Help: Crypto engine to use Protocols: TLS Category: tls Added: 7.9.3 Multi: single See-also:

• ciphers
• curves Example:
• --engine flavor $URL

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--engine

Select the OpenSSL crypto engine to use for cipher operations. Use --engine list to print a list of build-time supported engines. Note that not all (and possibly none) of the engines may be available at runtime.