New quantum secure key exchange protocols based on MaTRU

Akleylek, Sedat; Kaya, Nursah

doi:10.1109/isdfs.2018.8355362

Cited by 9 publications

(11 citation statements)

References 13 publications

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“…We explain how this system works. Then, we define two different MaTRU‐based key exchange protocols proposed independently by Akleylek and Kaya and Singh and Padhye …”

Section: Matru and Matru‐kementioning

confidence: 99%

“…In 2018, key exchange protocols based on MaTRU cryptosystem was proposed in Akleylek and Kaya . These protocols were called MaTRU‐KE1 and MaTRU‐KE2 . The main difference in these protocols is in the last phase.…”

Section: Matru and Matru‐kementioning

confidence: 99%

“…In 2018, Akleylek and Kaya and Singh and Padhye independently proposed a quantum‐secure key exchange protocol based on MaTRU. In 2018, two new quantum‐secure key exchange protocols were proposed based on MaTRU in Akleylek and Kaya . These protocols differ in the key agreement phase.…”

Section: Introductionmentioning

confidence: 99%

“…Thereby, a man in the middle (MITM) attack is not possible in the proposed protocol with TTP. The main difference between MaTRU‐KE2 proposed in Akleylek and Kaya and MaTRU‐KE proposed in Singh and Padhye is that one of the parties uses the

G

matrix when creating the agreed key in MaTRU‐KE2. Since

F_{a}

and

F_{b}

are generated from the same base matrix, they are commutative, and whereas

F_{a}

and

G_{b}

are obtained by using different base matrices, they are not commutative.…”

Section: Introductionmentioning

confidence: 99%

“…It is known that since the MaTRU encryption system is only secure in the OW‐CPA (OneWay‐Chosen‐Plaintext Attack) model, MaTRU‐based key exchange systems proposed in previous studies are not secure against CCA and adaptive chosen‐ciphertext attacks (CCA2). In this paper, we transform the OW‐CPA–secure MaTRU encryption protocol into CCA2‐secure key encapsulation mechanism by using Dent's New Construction II .…”

Section: Introductionmentioning

confidence: 99%

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MaTRU‐KE revisited: CCA2‐secure key establishment protocol based on MaTRU

Akleylek

Cevik

2020

Int J Communication

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Quantum attack-resistant cryptosystems are required for secure communication since there is a big demand to have quantum computers.Lattice-based cryptography is one of the quantum-secure families due to its key/ciphertext sizes and performance. NTRU-based cryptosystems, a member of lattice-based cryptosystems, have received much more attention. MaTRU, a noncommutative version of NTRU with some matrix properties, is used to obtain a key exchange protocol in 2018. In this paper, we focus on MaTRU-based key exchange protocols having CCA2 properties. We propose CCA2-secure versions of MaTRU-KE and then provide a security analysis of CCA2-secure key establishment protocols. We also provide a comparison with the previous ones. KEYWORDSCCA-CPA security, cryptography, key exchange, MaTRU-KE, NTRU-based cryptosystems Int J Commun Syst. 2020;33:e4326.wileyonlinelibrary.com/journal/dac

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“…We explain how this system works. Then, we define two different MaTRU‐based key exchange protocols proposed independently by Akleylek and Kaya and Singh and Padhye …”

Section: Matru and Matru‐kementioning

confidence: 99%

Section: Matru and Matru‐kementioning

confidence: 99%