98 citations · 416 across the 29 of their papers we have counts for
8 papers · 1 filter
SmartOTPs: An Air-Gapped 2-Factor Authentication for Smart-Contract Wallets (Extended Version)
Ivan Homoliak, Dominik Breitenbacher, Ondrej Hujnak +3
With the recent rise of cryptocurrencies' popularity, the security and management of crypto-tokens have become critical. We have witnessed many attacks on users and providers, whic…
BlockPKI: An Automated, Resilient, and Transparent Public-Key Infrastructure
Lukasz Dykcik, Laurent Chuat, Pawel Szalachowski +1
This paper describes BlockPKI, a blockchain-based public-key infrastructure that enables an automated, resilient, and transparent issuance of digital certificates. Our goal is to a…
DSTC: DNS-based Strict TLS Configurations
Eman Salem Alashwali, Pawel Szalachowski
Most TLS clients such as modern web browsers enforce coarse-grained TLS security configurations. They support legacy versions of the protocol that have known design weaknesses, and…
Hierarchical Change-Point Detection for Multivariate Time Series via a Ball Detection Function
Xueqin Wang, Qiang Zhang, Wenliang Pan +2
Sequences of random objects arise from many real applications, including high throughput omic data and functional imaging data. Those sequences are usually dependent, non-linear, o…
Rethinking Blockchain Security: Position Paper
Vincent Chia, Pieter Hartel, Qingze Hum +5
Blockchain technology has become almost as famous for incidents involving security breaches as for its innovative potential. We shed light on the prevalence and nature of these inc…
A Metapolicy Framework for Enhancing Domain Expressiveness on the Internet
Gaurav Varshney, Pawel Szalachowski
Domain Name System (DNS) domains became Internet-level identifiers for entities (like companies, organizations, or individuals) hosting services and sharing resources over the Inte…
Blockchain-based TLS Notary Service
Pawel Szalachowski
The Transport Layer Security (TLS) protocol is a de facto standard of secure client-server communication on the Internet. Its security can be diminished by a variety of attacks tha…
(Short Paper) Towards More Reliable Bitcoin Timestamps
Pawel Szalachowski
Bitcoin provides freshness properties by forming a blockchain where each block is associated with its timestamp and the previous block. Due to these properties, the Bitcoin protoco…