48 Result(s)
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Chapter and Conference Paper
Removing Noise (Opinion Messages) for Fake News Detection in Discussion Forum Using BERT Model
The exponential growth and widespread of fake news in online media have been causing unprecedented threats to the election result, public hygiene and justice. With ever-growing contents in online media, scruti...
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Chapter and Conference Paper
Privacy-Preserving Blockchain-Based Traceability System with Decentralized Ciphertext-Policy Attribute-Based Encryption
Traceability, being the ability to access information of an item throughout its lifecycle, plays an important part in current supply chain, facilitating prompt response in case of incidents. In recent years, b...
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Chapter and Conference Paper
SFPDML: Securer and Faster Privacy-Preserving Distributed Machine Learning Based on MKTFHE
In recent years, distributed machine learning has garnered significant attention. However, privacy continues to be an unresolved issue within this field. Multi-key homomorphic encryption over torus (MKTFHE) is...
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Chapter and Conference Paper
Post-Quantum Public-Key Authenticated Searchable Encryption with Forward Security: General Construction, and Applications
Public-key encryption with keyword search (PEKS) was first proposed by Boneh et al. (EUROCRYPT 2004), achieving the ability to search for ciphertext files. Nevertheless, it is vulnerable to inside keyword guessin...
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Chapter and Conference Paper
A Hierarchical Watermarking Scheme for PRFs from Standard Lattice Assumptions
A software watermarking scheme is to embed a “mark” or a message into a program in a cryptographic way. It is useful in proving ownership (e.g., in applications to digital rights management) and in authenticat...
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Chapter and Conference Paper
Detecting Anomalous Programmable Logic Controller Events Using Process Mining
Programmable logic controllers that monitor and control industrial processes are attractive targets for cyber attackers. Although techniques and tools have been developed for detecting anomalous programmable l...
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Chapter and Conference Paper
Analyzing the Error Rates of Bitcoin Clustering Heuristics
Bitcoin is a decentralized peer-to-peer cryptocurrency. Bitcoin’s strong cryptography ensures anonymity that makes it possible to profit from crimes such as ransomware attacks and money laundering. Unfortunate...
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Chapter and Conference Paper
Related-Tweak Impossible Differential Cryptanalysis of Reduced-Round TweAES
We consider the related-tweak impossible differential cryptanalysis of TweAES. It is one of the underlying primitives of Authenticated Encryption with Associated Data (AEAD) scheme ESTATE which was accepted as on...
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Chapter and Conference Paper
Towards Practical Homomorphic Time-Lock Puzzles: Applicability and Verifiability
Time-lock puzzle schemes allow one to encrypt messages for the future. More concretely, one can efficiently generate a time-lock puzzle for a secret/solution s, such that s remains hidden until a specified time T
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Chapter and Conference Paper
Blind Polynomial Evaluation and Data Trading
Data trading is an emerging business, in which data sellers provide buyers with, for example, their private datasets and get paid from buyers. In many scenarios, sellers prefer to sell pieces of data, such as ...
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Chapter and Conference Paper
LPPRS: New Location Privacy Preserving Schemes Based on Ring Signature over Mobile Social Networks
There are two popular location-based service (LBS) applications: searching k-nearest neighbor Points of Interests (kNN POIs) and finding Nearby Friends (NF) via a social network server (SNS). Nevertheless, bot...
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Chapter and Conference Paper
An Improvement of Multi-exponentiation with Encrypted Bases Argument: Smaller and Faster
A cryptographic primitive, called encryption switching protocol (ESP), has been proposed recently. This two-party protocol enables interactively converting values encrypted under one scheme into another scheme...
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Chapter and Conference Paper
Improved Zero-Knowledge Argument of Encrypted Extended Permutation
Extended permutation (EP) is a generalized notion of the standard permutation. Unlike the one-to-one correspondence map** of the standard permutation, EP allows to replicate or omit elements as many times as...
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Chapter and Conference Paper
Forced Independent Optimized Implementation of 4-Bit S-Box
Searching the optimal circuit implementation of a Boolean function is still an open problem. This work proposes a new optimizing scheme, which could find circuit expressions with optimal gate equivalent comple...
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Chapter and Conference Paper
Detection on GPS Spoofing in Location Based Mobile Games
The widely used Global Positioning System (GPS) provides a handy way for electronic devices to locate their positions. Almost every mobile device nowadays has GPS module equipped inside. Apart from traditional...
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Chapter and Conference Paper
A Secure and Self-tallying E-voting System Based on Blockchain
E-voting has been studied for many years. Recently, researchers find that blockchain can provide an alternative secure platform for e-voting systems, because of its properties of tamper resistance and transpar...
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Chapter and Conference Paper
Detecting Attacks on a Water Treatment System Using Oneclass Support Vector Machines
Critical infrastructure assets such as power grids and water treatment plants are monitored and managed by industrial control systems. Attacks that leverage industrial control systems to disrupt or damage infr...
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Chapter and Conference Paper
Leakage-Resilient Inner-Product Functional Encryption in the Bounded-Retrieval Model
We propose a leakage-resilient inner-product functional encryption scheme (IPFE) in the bounded-retrieval model (BRM). This is the first leakage-resilient functional encryption scheme in the BRM. In our leakag...
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Chapter and Conference Paper
Insider Threat Detection Using Multi-autoencoder Filtering and Unsupervised Learning
Insider threat detection and investigation are major challenges in digital forensics. Unlike external attackers, insiders have privileges to access resources in their organizations and violations of normal beh...
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Chapter and Conference Paper
Adaptive-Secure Identity-Based Inner-Product Functional Encryption and Its Leakage-Resilience
There are lots of applications of inner-product functional encryption (IPFE). In this paper, we consider two important extensions of it. One is to enhance IPFE with access control such that only users with a p...
