From e0a57e6edb9de58f0fea9ffcdad712dd7fd94a78 Mon Sep 17 00:00:00 2001
From: Tyler Perkins <tperki17@kent.edu>
Date: Mon, 14 Mar 2022 19:45:01 -0400
Subject: [PATCH] Update for 14-03-22 19:45

---
 tech/content_scrambling_system.wiki | 4 ++++
 tech/security.wiki                  | 4 ++++
 2 files changed, 8 insertions(+)
 create mode 100644 tech/content_scrambling_system.wiki

diff --git a/tech/content_scrambling_system.wiki b/tech/content_scrambling_system.wiki
new file mode 100644
index 0000000..643e837
--- /dev/null
+++ b/tech/content_scrambling_system.wiki
@@ -0,0 +1,4 @@
+= Content Scrambling system =
+
+CSS is a crypographic algo that protects DVDs from unauthorized copying. It has
+an auth key, a disk key, and a title key.
diff --git a/tech/security.wiki b/tech/security.wiki
index 78dd386..6ed6529 100644
--- a/tech/security.wiki
+++ b/tech/security.wiki
@@ -32,6 +32,10 @@ Hiding information
 * [[digital_authentication]]
 * [[unix_password]]
 
+=== Copy protection ===
+
+* [[content_scrambling_system]]
+
 === Misc ===
 
 * [[LFSR|Linear Feedback Shift Registers]]