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Samsung's Secure Boot Process
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Classroom Contents
The Art of Bootloader Unlocking - Exploiting Samsung Sboot
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- 1 Intro
- 2 Modern OS Security
- 3 Samsung's Secure Boot Process
- 4 BL2 components
- 5 Odin: The Samsung Flashing Tool
- 6 Put Phone Into Download Mode
- 7 process packet(): Write Data to Buf
- 8 Hold Your Horses
- 9 Mystery Mode
- 10 Upload Mode: What Did We Stumble Into?
- 11 Breakthrough: Memory Dump
- 12 Some Suspicious String Pointers
- 13 Finding the Secret Terminal
- 14 Normal USB Connection
- 15 USB Multiplexing on Samsungs
- 16 Shorting the GND and I pins with variable resistance micro B USB Jack
- 17 Looking for the Right Resistance
- 18 The Samsung Anyway Jig
- 19 Building Our Own Jig
- 20 call bl commando parses terminal
- 21 Let's Dump the Stack!
- 22 The Exploit
- 23 What's Next?
