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

--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.

The OpenSSL concept "engines" has been superseded by "providers" in OpenSSL 3, and this option should work fine to specify such as well.