diff --git a/rln/rln.go b/rln/rln.go
index 133cd19..0b423fe 100644
--- a/rln/rln.go
+++ b/rln/rln.go
@@ -15,15 +15,12 @@ type RLN struct {
 
 func (r *RLN) Hash(input []byte) []byte {
 	size := int(unsafe.Sizeof(C.Buffer{}))
-	out_ptr := C.malloc(C.size_t(size))
 
 	size = int(unsafe.Sizeof(C.Buffer{}))
-	in_ptr := C.malloc(C.size_t(size))
-  in := (*C.Buffer)(in_ptr)
-	*in = toBuffer(input)
+	in := (*C.Buffer)(C.malloc(C.size_t(size)))
 
-  out := (*C.Buffer)(out_ptr)
-	C.hash(r.ptr, in, &in.len, out)
+	out := (*C.Buffer)(C.malloc(C.size_t(size)))
+	C.hash(r.ptr, in, size, out)
 
 	return C.GoBytes(unsafe.Pointer(out.ptr), C.int(out.len))
 }