c: Copyright (C) Daniel Stenberg, , et al. SPDX-License-Identifier: curl Long: hostpubsha256 Arg: Help: Acceptable SHA256 hash of the host public key Protocols: SFTP SCP Added: 7.80.0 Category: sftp scp Example: --hostpubsha256 NDVkMTQxMGQ1ODdmMjQ3MjczYjAyOTY5MmRkMjVmNDQ= sftp://example.com/ See-also: hostpubmd5 Multi: single --- Pass a string containing a Base64-encoded SHA256 hash of the remote host's public key. Curl will refuse 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.