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We investigate the issue of designing a kernel programming language for mobile computing and describe KLAIM, a language that supports a programming paradigm where processes, like data, can be moved from one computing environment to another. The language consists of a core Linda with multiple tuple spaces and of a set of operators for building processes.(More)
Contextual equivalences for cryptographic process calculi, like the spi-calculus, can be used to reason about correctness of protocols, but their definition suffers from quantification over all possible contexts. Here, we focus on two such equivalences, namely may-testing and barbed equivalence, and investigate tractable proof methods for them. To this aim,(More)
μKlaim is a process language that permits programming distributed systems made up of several mobile components interacting through multiple distributed tuple spaces. We present the language and a type system for controlling the activities, e.g. access to resources and mobility, of the processes in a net. By dealing with privileges acquisition and(More)
KLAIM is an experimental programming language that supports a programming paradigm where both processes and data can be moved across di erent computing environments. This paper presents the mathematical foundations of the KLAIM type system; this system permits checking access rights violations of mobile agents. Types are used to describe the intentions(More)
SCEL is a new language specifically designed to model autonomic components and their interaction. It brings together various programming abstractions that permit to directly represent knowledge, behaviors and aggregations according to specific policies. It also supports naturally programming self-awareness, context-awareness, and adaptation. In this paper,(More)
Security is a key issue for distributed systems/applications with code mobility, like, e.g., e-commerce and on-line bank transactions. In a scenario with code mobility, traditional solutions based on cryptography cannot deal with all security issues and additional mechanisms are necessary. In this paper, we present a flexible and expressive type system for(More)
Klaim (Kernel Language for Agents Interaction and Mobility) is an experimental language specifically designed to program distributed systems consisting of several mobile components that interact through multiple distributed tuple spaces. Klaim primitives allow programmers to distribute and retrieve data and processes to and from the nodes of a net.(More)