Further checks on BC math, a=chris

diff --git a/configs/config.php b/configs/config.php
index 0ca6bb292..bcefc3341 100755
--- a/configs/config.php
+++ b/configs/config.php
@@ -158,7 +158,8 @@ if(file_exists(WORK_DIRECTORY.PROFILE_FILE_NAME)) {
     }
 } else {
     if((!isset( $_SERVER['SERVER_NAME'])||$_SERVER['SERVER_NAME']!=='localhost')
-        && !defined("NO_LOCAL_CHECK") && php_sapi_name() != 'cli' ) {
+        && !defined("NO_LOCAL_CHECK") && !defined("WORK_DIRECTORY")
+        && php_sapi_name() != 'cli' ) {
         echo "SERVICE AVAILABLE ONLY VIA LOCALHOST UNTIL CONFIGURED";
         exit();
     }
diff --git a/lib/utility.php b/lib/utility.php
index f4a892ca8..c43cc7990 100755
--- a/lib/utility.php
+++ b/lib/utility.php
@@ -1982,7 +1982,7 @@ function extractLCSFromTable($lcs_moves, $lines, $i, $j, $offset, &$lcs)
  */
  function generateFiatShamirModulus()
  {
-    if(function_exists("openssl_pkey_new")) {
+    if(function_exists("openssl_pkey_new") && function_exists("bcmod")) {
         $config = array(
             "digest_alg" => "sha256",
             "public_key_bits" => 1024,