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Related Concept Videos

Zones of Protection01:16

Zones of Protection

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In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
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Multimachine Stability01:25

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Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
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Distributed Loads: Problem Solving01:21

Distributed Loads: Problem Solving

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Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
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A schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed.
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Radial System Protection01:23

Radial System Protection

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Radial systems employ time-delay overcurrent relays to reduce load interruptions. When a fault occurs, the nearest breaker opens first, while upstream breakers remain closed due to longer delay settings. This approach ensures minimal disruption to the rest of the system.
In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...
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Sulfides are the sulfur analog of ethers, just as thiols are the sulfur analog of alcohol. Like ethers, sulfides also consist of two hydrocarbon groups bonded to the central sulfur atom. Depending upon the type of groups present, sulfides can be symmetrical or asymmetrical. Symmetrical sulfides can be prepared via an SN2 reaction between 2 equivalents of an alkyl halide and one equivalent of sodium sulfide.
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Analysis of Group IV Viral SSHHPS Using In Vitro and In Silico Methods
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Secure Vehicular Platoon Management against Sybil Attacks.

Danial Ritzuan Junaidi1, Maode Ma2, Rong Su1

  • 1School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore.

Sensors (Basel, Switzerland)
|November 26, 2022
PubMed
Summary
This summary is machine-generated.

Vehicular platooning enhances highway capacity and fuel efficiency but faces cybersecurity risks like Sybil attacks. This study introduces a secure scheme using elliptic curve cryptography (ECC) to protect platoons from such threats.

Keywords:
Sybil attackauthenticationdigital signatureelliptic curve cryptographykey exchangeplatoons

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Area of Science:

  • Cybersecurity
  • Transportation Engineering
  • Cryptography

Background:

  • Highway capacity is limited, increasing accident risks and fuel costs.
  • Vehicular platooning offers a solution but is hindered by cybersecurity concerns, particularly Sybil attacks.

Purpose of the Study:

  • To propose a secure management scheme for vehicular platoons.
  • To protect platoon operations against Sybil attacks and other malicious threats.

Main Methods:

  • Utilized elliptic curve cryptography (ECC) for key exchange, digital signatures, and encryption.
  • Implemented authentication for vehicle identity and message exchange.
  • Formally evaluated security using the Canetti-Krawczyk (CK) adversary and random oracle model, with CryptoVerif verification.

Main Results:

  • The proposed scheme effectively protects against Sybil attacks.
  • Ensures perfect forward secrecy and group forward/backward secrecy for enhanced privacy.
  • Demonstrates resistance to replay and man-in-the-middle attacks.
  • Performance evaluation confirms time and space efficiency.

Conclusions:

  • The developed scheme provides robust security for vehicular platoons against sophisticated cyber threats.
  • Enhances the viability of vehicular platooning by addressing critical cybersecurity concerns.
  • Offers a practical and efficient solution for secure autonomous transportation systems.