Add documentation on how Android encryption works.
Change-Id: I20f55eca5e6043e0d8dd3eef4d3f17f5587c56af
diff --git a/src/tech/encryption/sidebar.md b/src/tech/encryption/sidebar.md
new file mode 100644
index 0000000..e1f9ad7
--- /dev/null
+++ b/src/tech/encryption/sidebar.md
@@ -0,0 +1,9 @@
+# Topics #
+- [Dalvik](/tech/dalvik/index.html)
+- [Bluetooth](/tech/bluetooth/index.html)
+- [NFC](/tech/nfc/index.html)
+- [Encryption](/tech/encryption/index.html)
+
+# Encryption Topics #
+- [Android Encryption Implementation](/tech/encryption/android_crypto_implementation.html)
+