A User Centric Security Model for Tamper-Resistant Devices

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Appendix B CasperFDR Scripts Contents B.1 Brief Introduction to the CasperFDR . . . . . . . . . . . . . . . 241 B.2 Attestation Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . 242 B.3 Secure and Trusted Channel Protocol Service Provider . . 243 B.4 Secure and Trusted Channel Protocol Smart Card . . . . . 244 B.5 Application Acquisition and Contractual Agreement Protocol 246 B.6 Application Binding Protocol Local . . . . . . . . . . . . . . 247 B.7 Platform Binding Protocol . . . . . . . . . . . . . . . . . . . . . . 249 B.8 Application Binding Protocol Distributed . . . . . . . . . . . 250 This appendix opens the discussion with a short introduction to the CasperFDR framework. Subsequently, we present the Casper scripts for the protocols that we proposed in this thesis. 240
B.1 Brief Introduction to the CasperFDR B.1 Brief Introduction to the CasperFDR For the sake of completeness, we subjected the proposed protocols in this thesis to formal mechanical analysis based on the CasperFDR tool. The CasperFDR approach uses the Communicating Sequential Processes (CSP) [143]; a mathematical framework for the description and analysis of systems that consist of processes (sub-systems). The state of a process in the CSP changes by engaging with (pre-dened) events. The CSP language denes how dierent sub-processes can be constructed along with how to dene their interactions. The Failures-Divergence Renement (FDR) [233] is a model-checking tool for state machines that is rooted in the CSP framework. The FDR model-checking tool denes and analyse a systems as described below: 1. All (honest) agents (entities) taking part in a system are modelled as the CSP (sub) processes, along with the intruder that can interact with other agents in the protocol. 2. The resulting system is tested against the dened (desired) security properties. The FDR searches the state space to investigate whether any insecure traces can be found. 3. If FDR nds an insecure trace, then the system does not satisfy the desired security property and the protocol is considered to be insecure in relation to the given security property. Using the CSP to dene a system is tedious and painstaking, which is remarkably simplied by the Casper framework. In Casper, a user species a protocol using abstract notations, similar to the one that are used to describe protocols in academic literature. The Casper takes these notations, convert them to CSP code, which is suitable to be analysed by the FDR model checking tool. Therefore, CasperFDR represents an approach where a protocol is dened in the Casper notations and then FDR tool is used to verify its suitability under given security properties. A Casper script can be divided into two main sections: protocol and system denition, which are discussed as follow: B.1.1 Protocol Denition The protocol denition section of a Casper script denes the generic operations of a protocol. The protocol denition can be sub-divided into four components that are discussed below: Protocol Description: This section represented by #Protocol description in a Casper script denes the message sequence of the protocol. The notations used in this section are similar to the standard method of describing a protocol [142]. Free variables: The variables and functions that are used by the protocol denition are dened in a section that is represented as #Free variables. The variables and functions 241
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A User Centric Security Model for T
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Declaration These doctoral studies
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R. N. Akram, K. Markantonakis, and
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Abstract In this thesis we propose
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CONTENTS 3.4.1 Supplier . . . . . .
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CONTENTS 7 Application Sharing Mech
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CONTENTS C.4 Secure and Trusted Cha
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LIST OF FIGURES 8.6 Control ow diag
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List of Abbreviations AAC Applicati
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1.1 Setting the Scene 1.1 Setting t
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1.2 A Brief History of Smart Cards
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1.3 Motivation and Challenges Over
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1.3 Motivation and Challenges compu
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1.4 Contributions the UCTD manufact
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1.5 Structure of the Thesis traditi
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Chapter 2 User Centric Tamper-Resis
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2.2 Rationale for a User Centric Ta
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2.2 Rationale for a User Centric Ta
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2.3 Candidates for User Centric Tam
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Businesses Governments Privacy Pres
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2.4 The User Centric Tamper-Resista
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2.5 Case Studies an enrolment proce
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2.5 Case Studies issued the applica
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Chapter 3 Smart Card Ownership Mode
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3.2 Issuer Centric Smart Card Owner
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3.2 Issuer Centric Smart Card Owner
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3.3 Frameworks for the ICOM which i
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3.3 Frameworks for the ICOM Applica
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3.3 Frameworks for the ICOM which i
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3.3 Frameworks for the ICOM Element
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3.4 User Centric Smart Card Ownersh
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3.5 Security and Operational Requir
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Service Provider 3.6 Coopetitive Ar
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Chapter 4 User Centric Smart Card A
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4.2 Platform Architecture Platform
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4.2 Platform Architecture manager c
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4.3 Trusted Environment & Execution
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4.4 Security Assurance and Validati
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4.5 Attestation Mechanisms 4.5 Atte
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4.5 Attestation Mechanisms rational
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4.5 Attestation Mechanisms otherwis
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4.6 Device Ownership 4.6.2 User Own
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4.7 Attestation Protocol can succes
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4.7 Attestation Protocol an adversa
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4.7 Attestation Protocol SC i ′ a
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4.8 Protocol Analysis CasperFDR app
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4.9 Summary whereas the online atte
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5.1 Introduction 5.1 Introduction E
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5.2 GlobalPlatform Card Management
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5.3 Multos Card Management Framewor
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5.4 Proposed Smart Card Management
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5.4 Proposed Smart Card Management
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5.5 Card Management-Related Issues
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Chapter 6 Secure and Trusted Channe
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6.2 Secure Channel Protocols 6.2 Se
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6.2 Secure Channel Protocols smart
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6.2 Secure Channel Protocols SOG-16
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6.2 Secure Channel Protocols Notati
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6.3 Secure and Trusted Channel Prot
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6.4 Secure and Trusted Channel Prot
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6.5 Application Acquisition and Con
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6.6 Analysis of the Proposed Protoc
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6.7 Summary For the STCP ACA , we n
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Chapter 7 Application Sharing Mecha
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7.2 Application Sharing Mechanism 7
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7.2 Application Sharing Mechanism I
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7.2 Application Sharing Mechanism a
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7.3 UCTD Firewall utilises CDAM to
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7.3 UCTD Firewall application. Ther
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7.3 UCTD Firewall 7.3.6 Cross-Devic
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7.3 UCTD Firewall and asynchronous
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7.3 UCTD Firewall Table 7.2: Protoc
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7.4 Application Binding Protocol L
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7.5 Platform Binding Protocol The r
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7.6 Application Binding Protocol D
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Chapter 8 Smart Card Runtime Enviro
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Page 231 and 232: Appendix A Description of Protocols
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C.4 Secure and Trusted Channel Prot
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C.6 Application Acquisition and Con
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C.9 Platform Binding Protocol 552 r
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C.10 Abstract Virtual Machine 42 "
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C.11 Implementation Helper Classes
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BIBLIOGRAPHY August 2009, pp. 2035.
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