Manpages - CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256.3

CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 - SHA256 hash of SSH server public key

  #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 will fail 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 back-end.

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_PUBLIC_KEYFILE*(3), *CURLOPT_SSH_AUTH_TYPES*(3),