diff --git a/src/crypto-secret.cr b/src/crypto-secret.cr
new file mode 100644
index 0000000..3667753
--- /dev/null
+++ b/src/crypto-secret.cr
@@ -0,0 +1 @@
+require "./crypto-secret/crypto-secret.cr"
diff --git a/src/crypto-secret/not.cr b/src/crypto-secret/not.cr
index 16de597..3e7be60 100644
--- a/src/crypto-secret/not.cr
+++ b/src/crypto-secret/not.cr
@@ -6,15 +6,13 @@
 struct Crypto::Secret::Not
   include Crypto::Secret
 
-  def initialize(size)
-    @bytes = Bytes.new size
+  def self.new(size)
+    new Bytes.new(size)
   end
 
-  def to_slice : Bytes
-    @bytes
+  def initialize(@bytes : Bytes)
   end
 
-
   delegate_to_slice @bytes
   delegate_to_bytesize @bytes
 end