diff --git a/crypto/cast/asm/.cvsignore b/crypto/cast/asm/.cvsignore
new file mode 100644
index 000000000..fefd104e3
--- /dev/null
+++ b/crypto/cast/asm/.cvsignore
@@ -0,0 +1,2 @@
+c-win32.asm
+cx86unix.cpp