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 backend.

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),