try win ffi generator when generating seed

Tieske · Oct 8, 2024 · b63847a · b63847a
1 parent dfba8d5
commit b63847a
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/uuid/rng/init.lua b/src/uuid/rng/init.lua
@@ -265,6 +265,13 @@ do
       end
     end
 
+    do -- try RtlGenRandom() via FFI on windows
+      local wf = rng.win_ffi()
+      if wf then
+        return wf(40)  -- this is crypto level, so good enough
+      end
+    end
+
     -- fallback to sha1 of a combination of values
     local seed = {
       unique_table_id,