Shamir and Adleman a widely used Asymmetric Asymmetric cryptography Different keys are usedįor encryption and decryption however together.Symmetric cryptography Same secret key is usedįor encryption and decryption (Example DESĭata Encryption Standard a widely used Symmetric.RISSC Reduced Interfaces for Secure SystemĬomponents. (b) Protection againstĪgainst security threats. (a) Protection againstĪgainst security threats. Three approaches for protectionĪgainst security threats. Operations on recourses to local operations thatĬomply with security based on the 4 protocols onĮxample The Globus Security Architecture (5) Specific domain that is used to translate global Resource Proxy is a process running within a.To act on behalf of a user for a limited period User Proxy is a process that is given permission.A group of processes in the same domain can shareĮxample The Globus Security Architecture (4).Controlling access to resources is subject to.Operations between entities in different domains.Known in each domain where the operation isĮxample The Globus Security Architecture (3) Global operations require the initiator to be.Local operations are subject to a local domain.Recourses in this grid are located in differentĮxample The Globus Security Architecture (2).Large-scale distributed computation (referred to

Globus is a wide area system supporting.Security Threats, Policies, and Mechanisms (2)Įxample The Globus Security Architecture (1) Fabrication (additional data or info is.Modification (unauthorized changing of data or.Interception (access by unauthorized users).Security Threats, Policies, and Mechanisms (1) TANENBAUMMAARTEN VAN STEENChapter 9Security TANENBAUM MAARTEN VAN STEEN Chapter 9 Security Title: DISTRIBUTED SYSTEMS Principles and Paradigms Second Edition ANDREW S.

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