diff --git a/math/sc/files/patch-sum b/math/sc/files/patch-sum
new file mode 100644
index 000000000000..65ce1c389e22
--- /dev/null
+++ b/math/sc/files/patch-sum
@@ -0,0 +1,5 @@
+$NetBSD: patch-sum,v 1.2 2000/01/12 20:29:46 wiz Exp $
+
+MD5 (patch-aa) = 2ac04ca6e6ddc80ab8ee783426584fb4
+MD5 (patch-ab) = 77765811a9d4d76915a9daa298bbc15b
+MD5 (patch-ac) = 3d139b84ce924c48d35821acce4b53d4