HACKABLE SECURITY MODULES

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DISCLOSURE Contacted Utimaco at 10/03/2016 Managed to receive PGP keys and certificate at 19/5/2016 Sent details at 20/5/2016 Received final official answer at 17/6/2016 Got access to an HSM with updated firmware for testing at 20/10/2016
DOWNLOADS Reversing tools: https://github.com/fotisl/utimaco Capstone: https://github.com/aquynh/capstone/tree/tms320c64x
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HACKABLE SECURITY MODULES: REVERSIN
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OUTLINE What is an HSM and HSM secu
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USAGE Securely store cryptographic
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BIG PLAYERS Gemalto Bought Safenet,
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BIG PLAYERS Utimaco Primary target
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WHERE ARE THEY USED?
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DNSSEC Root Zone operators store ke
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ONE DOES NOT SIMPLY Implement serio
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GENERAL INFORMATION As HSMs are use
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FIPS 140-2 Defines 4 different secu
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FIPS 140-2 FIPS 140-2 validation ha
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COMMON CRITERIA Interesting fact: I
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VARIOUS MODELS OF THE CRYPTOSERVER
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THE HARDWARE Network HSMs are Linux
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DEVICE KEY A single key created whe
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TOOLS csadm: Command line tool to m
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USERS Every user has: An authentica
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COMMUNICATION PROTOCOL Custom commu
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FORMAT A single blob in a custom .m
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MTC FILES Individual firmware modul
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MTC FILES $ binwalk adm_3.0.18.1_c5
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MTC FILES $ hexdump -C adm_3.0.18.1
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MTC FILES $ strings csadm | grep CO
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MTC FILES Now what???
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MTC FILES We can now extract the CO
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MTC FILES
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MTC FILES (Insert multiple slides w
Page 55 and 56: THE TMS320C64X DSP Steps to write o
Page 57 and 58: BLOCK DIAGRAM
Page 59 and 60: PARALLEL EXECUTION 8 execution unit
Page 61 and 62: REGISTERS A0-A2,B0-B2 are also cond
Page 63 and 64: DELAY SLOTS Most instructions are e
Page 65 and 66: REVERSING TOOLS Still wondering why
Page 67 and 68: ABI - CALLING CONVENTIONS No stack
Page 69 and 70: ABI - REGISTERS 12 callee-saved reg
Page 71 and 72: IMPLEMENTING THE DISASSEMBLER We kn
Page 73 and 74: THE CAPSTONE DISASSEMBLY FRAMEWORK
Page 75 and 76: WHERE DO WE START? Clone the projec
Page 77 and 78: THE TABLEGEN FILE Let's first gener
Page 79 and 80: WHAT'S ACTUALLY NEEDED? In our case
Page 81 and 82: HOW DO WE DEFINE REGISTERS? Simple,
Page 83 and 84: HOW DO WE DEFINE OPERANDS? def memo
Page 85 and 86: HOW DO WE DEFINE INSTRUCTION CLASSE
Page 87 and 88: HOW DO WE DEFINE INSTRUCTION CLASSE
Page 89 and 90: HOW DO WE DEFINE INSTRUCTIONS? defm
Page 91 and 92: LETS FINISH THIS THING!
Page 93 and 94: PROBLEMS FACED Instructions that us
Page 95 and 96: CONGRATULATIONS! We have a disassem
Page 97 and 98: REVERSING THE FIRMWARE Let's check
Page 99 and 100: REVERSING THE FIRMWARE We've got sy
Page 101 and 102: CAN WE PROFIT? These products are m
Page 103 and 104: EXTRACTION OF MBK DATABASE BACKUP S
Page 105: WHAT ABOUT OTHER BUGS? All the code
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HACKABLE SECURITY MODULES

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