getenv('OPENSSL_CONF'), 'private_key_type' => OPENSSL_KEYTYPE_EC, 'curve_name' => 'secp256k1' ]; $res = openssl_pkey_new($config); if (!$res) { echo 'ERROR: Fail to generate private key. -> ' . openssl_error_string(); exit; } // Generate Private Key openssl_pkey_export($res, $priv_key, NULL, $config); // Get The Public Key $key_detail = openssl_pkey_get_details($res); $pub_key = $key_detail["key"]; echo "priv_key:
".$priv_key; echo "

pub_key:
".$pub_key;