The Z notation: a reference manual
The Z notation: a reference manual
Evolving algebras 1993: Lipari guide
Specification and validation methods
Dynamic Logic
Abstract State Machines: A Method for High-Level System Design and Analysis
Abstract State Machines: A Method for High-Level System Design and Analysis
ASM Refinement and generalizations of forward simulation in data refinement: a comparison
Theoretical Computer Science - Abstract state machines and high-level system design and analysis
A Modeling Framework for the Development of Provably Secure E-Commerce Applications
ICSEA '07 Proceedings of the International Conference on Software Engineering Advances
Specification, proof, and model checking of the Mondex electronic purse using RAISE
Formal Aspects of Computing
Verification of Mondex electronic purses with KIV: from transactions to a security protocol
Formal Aspects of Computing
An incremental development of the Mondex system in Event-B
Formal Aspects of Computing
On the Refinement of Atomic Actions
Electronic Notes in Theoretical Computer Science (ENTCS)
Retrenching the Purse: The Balance Enquiry Quandary, and Generalised and (1,1) Forward Refinements
Fundamenta Informaticae - This is a SPECIAL ISSUE ON ASM'05
Verification of Mondex Electronic Purses with KIV: From a Security Protocol to Verified Code
FM '08 Proceedings of the 15th international symposium on Formal Methods
Atomic actions, and their refinements to isolated protocols
Formal Aspects of Computing
The mondex challenge: machine checked proofs for an electronic purse
FM'06 Proceedings of the 14th international conference on Formal Methods
Refinement of State-Based Systems: ASMs and Big Commuting Diagrams (Abstract)
ABZ '08 Proceedings of the 1st international conference on Abstract State Machines, B and Z
Abstract Specification of the UBIFS File System for Flash Memory
FM '09 Proceedings of the 2nd World Congress on Formal Methods
AsmetaSMV: a way to link high-level ASM models to low-level NuSMV specifications
ABZ'10 Proceedings of the Second international conference on Abstract State Machines, Alloy, B and Z
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The Mondex case study concerns the formal development and verification of an electronic purse protocol. Several groups have worked on its specification and mechanical verification, their solutions being (as were ours previously), either one big step or several steps motivated by the task's complexity. A new solution is presented that is structured into three refinements, motivated by the three concepts underlying Mondex: a message protocol to transfer money over a lossy medium, protection against replay attacks, and uniqueness of transfers using sequence numbers. We also give an improved proof technique based on our theoretical results on verifying interleaved systems.