HACKABLE SECURITY MODULES

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WHAT IS AN HSM?
USAGE Securely store cryptographic keys Manage (generate etc) cryptographic keys Perform cryptographic operations (encrypt, decrypt, sign, verify, wrap, unwrap, etc)
Page 1 and 2: HACKABLE SECURITY MODULES: REVERSIN
Page 3: OUTLINE What is an HSM and HSM secu
Page 7 and 8: BIG PLAYERS Gemalto Bought Safenet,
Page 9 and 10: BIG PLAYERS Utimaco Primary target
Page 11 and 12: WHERE ARE THEY USED?
Page 13 and 14: DNSSEC Root Zone operators store ke
Page 15 and 16: ONE DOES NOT SIMPLY Implement serio
Page 17 and 18: GENERAL INFORMATION As HSMs are use
Page 19 and 20: FIPS 140-2 Defines 4 different secu
Page 21 and 22: FIPS 140-2 FIPS 140-2 validation ha
Page 23 and 24: COMMON CRITERIA Interesting fact: I
Page 25 and 26: VARIOUS MODELS OF THE CRYPTOSERVER
Page 27 and 28: THE HARDWARE Network HSMs are Linux
Page 29 and 30: DEVICE KEY A single key created whe
Page 31 and 32: TOOLS csadm: Command line tool to m
Page 33 and 34: USERS Every user has: An authentica
Page 35 and 36: COMMUNICATION PROTOCOL Custom commu
Page 37 and 38: FORMAT A single blob in a custom .m
Page 39 and 40: MTC FILES Individual firmware modul
Page 41 and 42: MTC FILES $ binwalk adm_3.0.18.1_c5
Page 43 and 44: MTC FILES $ hexdump -C adm_3.0.18.1
Page 45 and 46: MTC FILES $ strings csadm | grep CO
Page 47 and 48: MTC FILES Now what???
Page 49 and 50: MTC FILES We can now extract the CO
Page 51 and 52: MTC FILES
Page 53 and 54: MTC FILES (Insert multiple slides w
Page 55 and 56:
THE TMS320C64X DSP Steps to write o
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BLOCK DIAGRAM
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PARALLEL EXECUTION 8 execution unit
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REGISTERS A0-A2,B0-B2 are also cond
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DELAY SLOTS Most instructions are e
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REVERSING TOOLS Still wondering why
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ABI - CALLING CONVENTIONS No stack
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ABI - REGISTERS 12 callee-saved reg
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IMPLEMENTING THE DISASSEMBLER We kn
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THE CAPSTONE DISASSEMBLY FRAMEWORK
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WHERE DO WE START? Clone the projec
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THE TABLEGEN FILE Let's first gener
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WHAT'S ACTUALLY NEEDED? In our case
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HOW DO WE DEFINE REGISTERS? Simple,
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HOW DO WE DEFINE OPERANDS? def memo
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HOW DO WE DEFINE INSTRUCTION CLASSE
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HOW DO WE DEFINE INSTRUCTION CLASSE
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HOW DO WE DEFINE INSTRUCTIONS? defm
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LETS FINISH THIS THING!
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PROBLEMS FACED Instructions that us
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CONGRATULATIONS! We have a disassem
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REVERSING THE FIRMWARE Let's check
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REVERSING THE FIRMWARE We've got sy
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CAN WE PROFIT? These products are m
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EXTRACTION OF MBK DATABASE BACKUP S
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WHAT ABOUT OTHER BUGS? All the code
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DOWNLOADS Reversing tools: https://
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HACKABLE SECURITY MODULES

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