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Cryptographic primitives adapted to connected car requirements

Abstract : Communications are one of the key functions in future vehicles and require protection. Cryptography is an obvious answer to secure communications, specifically we studied lightweight cryptography to fit the constrained resources of the environment. A second emerging problem, specific to embedded systems, is resilience to side-channel attacks.The main objectives of the thesis are to study the feasibility of implementing a wide variety of symmetric lightweight encryption algorithms and their protection. An optimal solution is to have an agile implementation, able to quickly execute different lightweight encryption algorithms, using few resources and guaranteeing protection against physical attacks. Our main architecture starts from a modification of the instruction set of a RISC-V processor to satisfy the agility property of lightweight cryptography algorithms. We have studied many encryption algorithms and have proposed a first approach with a fully hardware architecture and a second approach with a dedicated processor in order to efficiently implement Lightweight Cryptography and their protection in a constrained embedded system
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Submitted on : Tuesday, September 27, 2022 - 10:39:14 AM
Last modification on : Wednesday, September 28, 2022 - 5:17:30 AM

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  • HAL Id : tel-03788940, version 1

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Etienne Tehrani. Cryptographic primitives adapted to connected car requirements. Cryptography and Security [cs.CR]. Institut Polytechnique de Paris, 2022. English. ⟨NNT : 2022IPPAT028⟩. ⟨tel-03788940⟩

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