php ??sha1withrsa

 ???????//得到时间戳 ???????list($msec, $sec) = explode(‘ ‘, microtime()); ???????$time = ?(float)sprintf(‘%.0f‘, (floatval($msec) + floatval($sec)) * 1000); ???????//代签名字符串 ???????$tok = array(); ???????//排序 ???????ksort($tok); ???????$arr = http_build_query($tok); ???????$arr = urldecode($arr); ???????$arr = base64_encode($arr); ???????$private_key = ‘-----BEGIN RSA PRIVATE KEY----------END RSA PRIVATE KEY-----‘; ???????openssl_sign($arr, $signature, $private_key, OPENSSL_ALGO_SHA1); ???????$sign = base64_encode($signature); ???????dump($sign);