User's Manual

Castles Technology Co., Ltd. Confidential • All Right Reserved. Pg. 4
Contents
1. Introduction .................................................................................................................. 6
2. Hardware Setup ............................................................................................................ 7
2.1. Parts of the Surface ............................................................................................. 7
2.2. Environment ........................................................................................................ 9
2.3. Power .................................................................................................................. 9
3. Basic Operation ......................................................................................................... 10
3.1. Program Manager .............................................................................................. 10
3.2. Download AP ..................................................................................................... 12
3.3. System Info........................................................................................................ 13
3.4. Memory Status .................................................................................................. 14
3.5. System Settings ................................................................................................. 15
3.6. Test Utility .......................................................................................................... 18
3.7. Factory Reset .................................................................................................... 20
3.8. Power Off .......................................................................................................... 21
3.9. Function Key Password Change ........................................................................ 22
3.10. Share Object Management ................................................................................ 23
3.11. Castles TMS ...................................................................................................... 24
3.12. Font Mng ........................................................................................................... 25
3.13. Debug Tools ...................................................................................................... 26
3.14. ULD Key Hash ................................................................................................... 27
3.15. Plug-in Mng ....................................................................................................... 28
3.16. Key Injection ...................................................................................................... 29
4. Secure File Loading ................................................................................................... 30
4.1. ULD Key System ............................................................................................... 30
4.1.1. ULD Manufacturer Key ........................................................................... 30
4.1.2. ULD User Key ........................................................................................ 32
4.1.3. Key Change ........................................................................................... 32
4.2. File Signing ........................................................................................................ 33
4.2.1. Signing Kernel Module ........................................................................... 33
4.2.2. Signing User Files .................................................................................. 35
4.3. File Loading ....................................................................................................... 39
4.3.1. Download by User Loader ...................................................................... 39
4.4. Changing ULD User Key.................................................................................... 42