Understanding Security APIs - CrySyS Lab

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Declaration This dissertation is the result of my own work and includes nothing which is the outcome of work done in collaboration except where specifically indicated in the text. This dissertation does not exceed the regulation length of 60 000 words, including tables and footnotes. 2
Dedication To Philip Barnes, who could have stopped me exercising my talent at breaking things, but didn’t; and to Clive Spencer-Bentley, who changed my life both in presence and absence. 3
Page 1: Understanding Security APIs Michael
Page 6 and 7: Understanding Security APIs Michael
Page 8 and 9: 4.3 Certification Authorities . . .
Page 10 and 11: 7.3.1 VSM Compatibles - XOR to Null
Page 12 and 13: Chapter 1 Introduction In today’s
Page 14 and 15: Whatever you intend to get out of t
Page 16 and 17: The aspects of the research relatin
Page 18 and 19: it spawned the development of contr
Page 20 and 21: 2.4 Key Dates Year Events 1960 Deve
Page 22 and 23: ciphertext into a four digit number
Page 24 and 25: service engineer). In order for the
Page 26 and 27: 3.3 Development of the Attack Toolk
Page 28 and 29: This key binding attack effectively
Page 30 and 31: Chapter 4 Applications of Security
Page 32 and 33: Higher-level goals maybe to achieve
Page 34 and 35: VISA. It also permits end-to-end co
Page 36 and 37: There are three sorts of threat to
Page 38 and 39: control - and would typically be is
Page 40 and 41: Secure Computing Base (NGSCB), prev
Page 42 and 43: Chapter 5 The Security API Industry
Page 44 and 45: • Individuals, Customers, Clients
Page 46 and 47: 5.2.2 1990 to 2000 Year Events 1991
Page 48 and 49: 5.3 Summary of HSM Manufacturers 5.
Page 50 and 51: pose crypto platform market, and si
Page 52 and 53:
5.3.8 Baltimore http://www.baltimor
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The Trusted Computing Group will li
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available, but should be carefully
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Chapter 6 Hardware Security Modules
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an increasing concern as the device
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• Potting is nowadays one of the
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• Light Sensors can be coupled wi
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6.2.1 Tamper-Evidence Hardware Secu
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6.3 HSM Summary This section introd
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6.3.3 nCipher nForce API nCore API
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6.3.5 nCipher netHSM API nCore API
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6.3.7 Thales RG7000 API Proprietary
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6.3.9 Chrysalis-ITS Luna CA3 API PK
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Chapter 7 Analysis of Security APIs
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First Command: Key Part Import User
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achieve the same functionality as o
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Figure 7.5 shows a common key manag
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7.2 The Attacker’s Toolkit This s
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early HSMs actually used this techn
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PIN numbers are often stored in enc
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operating systems. Naively implemen
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The supervisor key switch is turned
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7.3.4 4758 CCA - Key Import Attack
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7.3.6 4758 CCA - 3DES Key Binding A
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Bank Home Bank Home Bank Home Test
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the number of operations the HSM wo
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Implementation Overview The DES cra
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7.3.8 4758 CCA - Weak Key Timing At
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which is a many-to-one mapping betw
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Digits Possibilities A AAAA(1) AB A
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No # Poss. pins Decimalisation tabl
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tables in a generic way will be har
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Security Officer 1 -> HSM : SM?IK 8
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in. Consider the example below, whi
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Indeed it now seems that many conve
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• Search Tools - such as PROLOG -
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\% these are the commands provided
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--------------------------SPASS-STA
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Problem Specification The API is sp
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UI Decisions Figure 7.23: The MIMse
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Figure 7.25: The MIMsearch ‘Watch
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2. If the Security API prevents cer
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it can be enabled and disabled, the
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• When the host machine sends dat
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8.2.5 Legacy Issues • Isolate you
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The Visa Security Module had a seri
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Class I Passive tokens, which prese
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Smartcards Figure 8.2: Chrysalis Lu
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link to the authorisation process f
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To minimise the risk of breach, eac
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When no privileged operations are r
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8.4.3 How Many Security Officers ar
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Chapter 9 The Future of Security AP
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e unable to assure themselves that
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9.4 The Bottom Line Whilst it is ex
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10.1 Roles and Responsibilities Sec
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Chapter 11 Glossary 4753 IBM Crypto
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PKCS#11 Public Key Cryptography Sta
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[14] J. Clulow, “On the Security
Page 170:
[53] http://www.cl.cam.ac.uk/~rnc1/
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