NAME

       CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 - SHA256 hash of SSH server public key

SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256,
                                 char *sha256);

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.

DEFAULT

       NULL

PROTOCOLS

       SCP and SFTP

EXAMPLE

       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);
       }

AVAILABILITY

       Added in 7.80.0 Requires the libssh2 back-end.

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.

SEE ALSO

       CURLOPT_SSH_PUBLIC_KEYFILE(3), CURLOPT_SSH_AUTH_TYPES(3),

libcurl 7.81.0                                  October 31, 2021           CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256(3)