get_normalized_http_method()), urlencode($req->get_normalized_http_url()), urlencode($req->get_signable_parameters()), ); $raw = implode("&", $sig); //Get the signature passed in the query and urldecode it $signature = base64_decode($_GET["oauth_signature"]); //Pull the public key ID from the certificate $publickeyid = openssl_get_publickey($hi5_cert); //Check the computer signature against the one passed in the query $ok = openssl_verify($raw, $signature, $publickeyid); //Release the key resource openssl_free_key($publickeyid); //Pass JSON data back $payload = array(); if ($ok == 1) { $payload["validated"] = "Success! The data was validated"; } else { $payload["validated"] = "This request was spoofed"; } $payload["query"] = array_merge($_GET, $_POST); print(json_encode($payload)); ?>