CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 - Man Page

#include <curl/curl.h>

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

Pass a char * pointing to a string containing a Base64-encoded SHA256 hash of the remote host's public key.  The transfer fails if the given hash does not match the hash the remote host provides.

NULL

SCP and SFTP

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);
}

Added in 7.80.0 Requires the libssh2 backend.

Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.

CURLOPT_SSH_AUTH_TYPES(3), CURLOPT_SSH_HOST_PUBLIC_KEY_MD5(3), CURLOPT_SSH_PUBLIC_KEYFILE(3)

curl_easy_setopt(3), CURLOPT_SSH_AUTH_TYPES(3), CURLOPT_SSH_HOST_PUBLIC_KEY_MD5(3).