Results 31 to 40 of about 6,070,363 (249)

In situ upgrade of quantum simulators to universal computers [PDF]

open access: yes, 2018
Quantum simulators, machines that can replicate the dynamics of quantum systems, are being built as useful devices and are seen as a stepping stone to universal quantum computers.
Benjamin Dive   +7 more
core   +1 more source

Quantum-Enabled Discrete Distribution Sampling for Post-Quantum Lattice-Based Cryptography

open access: yes, 2023
Lattice-based cryptography is considered the most promising candidate for post-quantum public key cryptography such as key encapsulation and digital signature schemes.
Utsav Banerjee (17085640)
core   +1 more source

Review of Chosen Isogeny-Based Cryptographic Schemes

open access: yesCryptography, 2022
Public-key cryptography provides security for digital systems and communication. Traditional cryptographic solutions are constantly improved, e.g., to suppress brute-force attacks.
Bartosz Drzazga, Łukasz Krzywiecki
doaj   +1 more source

PUF-Based Post-Quantum CAN-FD Framework for Vehicular Security

open access: yesInformation, 2022
The Controller Area Network (CAN) is a bus protocol widely used in Electronic control Units (ECUs) to communicate between various subsystems in vehicles. Insecure CAN networks can allow attackers to control information between vital vehicular subsystems.
Tyler Cultice, Himanshu Thapliyal
doaj   +1 more source

On the Security of the Dandelion Protocol

open access: yesMathematics, 2022
In this paper, we review the peer-to-peer blockchain transaction protocol, Dandelion, and develop an oracle-based model for its network and security. We formalize a series of security and functional criteria, such as unforgeability, non-repudiation, and ...
Brian Goncalves, Atefeh Mashatan
doaj   +1 more source

Evaluation of Post-Quantum Distributed Ledger Cryptography

open access: yesThe Journal of The British Blockchain Association, 2019
This paper evaluates the current cybersecurity vulnerability of the prolific use of Elliptical Curve Digital Signature Algorithm (ECDSA) cryptography in use by the Bitcoin Core, Ethereum, Bitcoin Cash, and enterprise blockchains such as ...
Robert E. Campbell Sr.
doaj   +1 more source

A New Identification Scheme based on Syndrome Decoding Problem with Provable Security against Quantum Adversaries [PDF]

open access: yesJournal of Universal Computer Science, 2019
Recently, in order to guarantee security against quantum adversaries, several identification (ID) schemes based on computational problems which are supposed to be hard even for quantum computers have been proposed. However, their security are only proven
Bagus Santoso, Chunhua Su
doaj   +3 more sources

Post-Quantum Signature Scheme Based on the Root Extraction Problem over Mihailova Subgroups of Braid Groups

open access: yesMathematics, 2023
In this paper, by introducing an isomorphism from the Mihailova subgroup of F2×F2 to the Mihailova subgroups of a braid group, we give an explicit presentation of Mihailova subgroups of a braid group.
Hanling Lin, Xiaofeng Wang, Min Li
doaj   +1 more source

SPEEDY Quantum Circuit for Grover’s Algorithm

open access: yesApplied Sciences, 2022
In this paper, we propose a quantum circuit for the SPEEDY block cipher for the first time and estimate its security strength based on the post-quantum security strength presented by NIST.
Gyeongju Song   +7 more
doaj   +1 more source

Lattice-Based Cryptography in the Quantum Era: A Survey

open access: yesInterfases, 2023
The advent of quantum computing reveals current classical cryptography’s incapacity to withstand attacks within the new paradigm. Quantum algorithms break such encryption with impressive ease, with Shor and Grover algorithms being the main perpetrators ...
Mauricio Cisneros, Javier Olazabal
doaj   +1 more source

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