master-server/deps/curl/docs/cmdline-opts/hostpubsha256.md

c	SPDX-License-Identifier	Long	Arg	Help	Protocols	Added	Category	Multi	See-also	Example
Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.	curl	hostpubsha256	<sha256>	Acceptable SHA256 hash of host public key	SFTP SCP	7.80.0	sftp scp	single	hostpubmd5	--hostpubsha256 NDVkMTQxMGQ1ODdmMjQ3MjczYjAyOTY5MmRkMjVmNDQ= sftp://example.com/

--hostpubsha256

Pass a string containing a Base64-encoded SHA256 hash of the remote host's public key. Curl refuses the connection with the host unless the hashes match.

This feature requires libcurl to be built with libssh2 and does not work with other SSH backends.