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Building a Trusted Environment for Security Applications
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Author(s): Giovanni Cabiddu (Politecnico di Torino, Italy), Antonio Lioy (Politecnico di Torino, Italy)and Gianluca Ramunno (Politecnico di Torino, Italy)
Copyright: 2013
Pages: 27
Source title:
Theory and Practice of Cryptography Solutions for Secure Information Systems
Source Author(s)/Editor(s): Atilla Elçi (Hasan Kalyoncu University, Turkey), Josef Pieprzyk (Macquarie University, Australia), Alexander G. Chefranov (Eastern Mediterranean University, North Cyprus), Mehmet A. Orgun (Macquarie University, Australia), Huaxiong Wang (Nanyang Technological University, Singapore)and Rajan Shankaran (Macquarie University, Australia)
DOI: 10.4018/978-1-4666-4030-6.ch014
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Abstract
Security controls (such as encryption endpoints, payment gateways, and firewalls) rely on correct program execution and secure storage of critical data (such as cryptographic keys and configuration files). Even when hardware security elements are used (e.g. cryptographic accelerators) software is still—in the form of drivers and libraries—critical for secure operations. This chapter introduces the features and foundations of Trusted Computing, an architecture that exploits the low-cost TPM chip to measure the integrity of a computing platform. This allows the detection of static unauthorized manipulation of binaries (be them OS components or applications) and configuration files, hence quickly detecting software attacks. For this purpose, Trusted Computing provides enhanced security controls, such as sealed keys (that can be accessed only by good applications when the system is in a safe state) and remote attestation (securely demonstrating the software state of a platform to a remote network verifier). Besides the theoretical foundation, the chapter also guides the reader towards creation of applications that enhance their security by using the features provided by the underlying PC-class trusted platform.
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