Distributed Trusted Computing Base
Davide Scovotto
Distributed Trusted Computing Base.
Rel. Antonio Lioy, Andrea Guido Antonio Vesco. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Informatica (Computer Engineering), 2023
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Abstract
The widespread adoption of Distributed Ledger technologies (DLTs), specifically blockchain, has generated great interest in the economic and financial sectors mainly due to its decentralized approach. An implementation of DLT is the blockchain, which is the technology created for the Bitcoin cryptocurrency. The blockchain is the underlying structure that enables the exchange of cryptocurrency, through transactions among different peers in a completely decentralized manner. Due to its nature, the DLT provides advantages such as implicit integrity and increased transparency of stored information. However, to exploit such benefits, an existing Trust relationship among the transacting peers is required. Trusted Computing can leverage the advantages provided by DLTs and combine them with the concepts of hardware Root-of-Trust (RoT), as well as Trusted Computing Base (TCB).
Moreover, Remote Attestation (RA) protocol can be appropriately improved with the aid of the DLT properties to verify the integrity of a TCB belonging to a device
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