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 pointer 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.

DEFAULT¶

NULL

PROTOCOLS¶

SCP and SFTP

EXAMPLE¶

int main(void)
{


  CURL *curl = curl_easy_init();


  if(curl) {


    CURLcode res;


    curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com/file");


    curl_easy_setopt(curl, CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256,


                     "NDVkMTQxMGQ1ODdmMjQ3MjczYjAyOTY5MmRkMjVmNDQ=");


    res = 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_AUTH_TYPES(3), CURLOPT_SSH_HOST_PUBLIC_KEY_MD5(3), CURLOPT_SSH_PUBLIC_KEYFILE(3)