| Naslov: | Security enhanced CLS and CL-AS scheme without pairings for VANETs |
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| Avtorji: | ID Bansal, Anjali (Avtor)
ID Kumari, Saru (Avtor)
ID Doshi, Nishant (Avtor)
ID Amoon, Mohammed (Avtor)
ID Hölbl, Marko (Avtor) |
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| Datoteke: |  Security_Enhanced_CLS_and_CL-AS_Scheme_Without_Pairings_for_VANETs.pdf (888,32 KB)
MD5: 18A804010166DF048EF190DBB1B8C331
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Neznano |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | FERI - Fakulteta za elektrotehniko, računalništvo in informatiko
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| Opis: | While vehicle ad-hoc networks (VANETs) have many advantages, they also present privacy and security concerns. Certificate management issue has been seen in traditional public key infrastructure based privacy preserving authentication schemes while key escrow problem exists in identity based privacy preserving authentication techniques. Also existing cryptographic techniques rely heavily on assumptions about tamper-proof equipment to ensure their security. A proposal has been made for a certificateless aggregate signature system for VANETs addressing these issue and was proved provably unforgeable against collusion attack. However we found that the proposed technique was insecure and cannot withstand collusion assault. Therefore, this paper presents an improved and secure certificateless aggregate signature technique for VANETs. We also illustrate the security & performance evaluation of our presented technique and based upon the hardness assumption of the elliptic curve discrete logarithm problem we have shown that the technique is safe against existential forgery on adaptive chosen message attack in the random oracle model. Also the presented technique has better efficiency compared to some recent existing authentication techniques. |
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| Ključne besede: | aggregate signature, certificateless public key cryptography, elliptic curve cryptosystem, vehicular ad hoc networks |
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| Status publikacije: | Objavljeno |
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| Verzija publikacije: | Objavljena publikacija |
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| Poslano v recenzijo: | 30.01.2025 |
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| Datum sprejetja članka: | 24.02.2025 |
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| Datum objave: | 28.02.2025 |
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| Leto izida: | 2025 |
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| Št. strani: | str. 42508-42520 |
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| Številčenje: | ǂVol. ǂ13 |
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| PID: | 20.500.12556/DKUM-92039  |
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| UDK: | 004.7 |
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| COBISS.SI-ID: | 228599811 |
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| DOI: | 10.1109/ACCESS.2025.3546699 |
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| ISSN pri članku: | 2169-3536 |
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| Avtorske pravice: |
2025 The Authors |
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| Datum objave v DKUM: | 13.03.2025 |
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| Število ogledov: | 0 |
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| Število prenosov: | 4 |
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| Metapodatki: |    |
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| Področja: | Ostalo
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