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.\" **************************************************************************
.\" * _ _ ____ _
.\" * Project ___| | | | _ \| |
.\" * / __| | | | |_) | |
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.\" * \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
.\" * are also available at https://curl.se/docs/copyright.html.
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.\" * copies of the Software, and permit persons to whom the Software is
.\" * furnished to do so, under the terms of the COPYING file.
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
.\" * KIND, either express or implied.
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.\" **************************************************************************
.\"
.TH CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 3 "27 Aug 2021" "libcurl 7.80.0" "curl_easy_setopt options"
.SH NAME
CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 \- SHA256 hash of SSH server public key
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256,
char *sha256);
.SH DESCRIPTION
Pass a char * pointing to a string containing a Base64-encoded SHA256
hash of the remote host's public key.
The transfer will fail if the given hash does not match the hash the
remote host provides.
.SH DEFAULT
NULL
.SH PROTOCOLS
SCP and SFTP
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com/file");
curl_easy_setopt(curl, CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256,
"NDVkMTQxMGQ1ODdmMjQ3MjczYjAyOTY5MmRkMjVmNDQ=");
ret = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.80.0
Requires the libssh2 back-end.
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
.SH "SEE ALSO"
.BR CURLOPT_SSH_PUBLIC_KEYFILE "(3), " CURLOPT_SSH_AUTH_TYPES "(3), "
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