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06/07/2023
The Effect of Length on Key Fingerprint Verification Security and Usability
In applications such as end-to-end encrypted instant messaging, secure e...
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04/25/2023
SPDH-Sign: towards Efficient, Post-quantum Group-based Signatures
In this paper, we present a new diverse class of post-quantum group-base...
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09/06/2022
A Subexponential Quantum Algorithm for the Semidirect Discrete Logarithm Problem
Group-based cryptography is a relatively young family in post-quantum cr...
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02/10/2022
Semidirect Product Key Exchange: the State of Play
In this report we survey the various proposals of the key exchange proto...
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11/10/2021
On the efficiency of a general attack against the MOBS cryptosystem
All instances of the semidirect key exchange protocol, a generalisation ...
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06/02/2021
Performance and Usability of Visual and Verbal Verification of Word-based Key Fingerprints
The security of messaging applications against person-in-the-middle atta...
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05/17/2021
Cryptanalysis of Semidirect Product Key Exchange Using Matrices Over Non-Commutative Rings
It was recently demonstrated that the Matrix Action Key Exchange (MAKE) ...
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04/12/2021
Accept All: The Landscape of Cookie Banners in Greece and the UK
Cookie banners are devices implemented by websites to allow users to man...
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03/15/2021
Formal Modelling and Security Analysis of Bitcoin's Payment Protocol
The Payment Protocol standard BIP70, specifying how payments in Bitcoin ...
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10/16/2020
Position paper: A systematic framework for categorising IoT device fingerprinting mechanisms
The popularity of the Internet of Things (IoT) devices makes it increasi...
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03/04/2020
Revisiting Security Vulnerabilities in Commercial Password Managers
In this work we analyse five popular commercial password managers for se...
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01/31/2020
Battery draining attacks against edge computing nodes in IoT networks
Many IoT devices, especially those deployed at the network edge have lim...
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05/30/2019
DOMtegrity: Ensuring Web Page Integrity against Malicious Browser Extensions
In this paper, we address an unsolved problem in the real world: how to ...
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07/04/2018
A New Look at the Refund Mechanism in the Bitcoin Payment Protocol
BIP70 is the Bitcoin payment protocol for communication between a mercha...
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02/14/2018
