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Open data is an important basis for open science and evidence-based policymaking. Governments of many countries disclose government-related statistics as open data. Some of these data are provided as CSV files. However, since CSV files are…

密码学与安全 · 计算机科学 2024-07-09 Akinori Ito

Cryptography is an art and science of secure communication. Here the sender and receiver are guaranteed the security through encryption of their data, with the help of a common key. Both the parties should agree on this key prior to…

密码学与安全 · 计算机科学 2014-07-10 Minal Lopes , Nisha Sarwade

Besides achieving secure communication between two spatially-separated parties, another important issue in modern cryptography is related to secure communication in time, i.e., the possibility to confidentially store information on a memory…

量子物理 · 物理学 2015-09-04 Gaetana Spedalieri

Several cybersecurity domains, such as ransomware detection, forensics and data analysis, require methods to reliably identify encrypted data fragments. Typically, current approaches employ statistics derived from byte-level distribution,…

密码学与安全 · 计算机科学 2021-04-01 Fabio De Gaspari , Dorjan Hitaj , Giulio Pagnotta , Lorenzo De Carli , Luigi V. Mancini

To achieve lightweight selective disclosure for protecting privacy of document holders, we propose an XML format for documents that can hide arbitrary elements using a cryptographic hash function and salts, which allows to be partially…

密码学与安全 · 计算机科学 2021-10-12 Kenji Saito , Satoki Watanabe

While large code language models have made significant strides in AI-assisted coding tasks, there are growing concerns about privacy challenges. The user code is transparent to the cloud LLM service provider, inducing risks of unauthorized…

计算与语言 · 计算机科学 2024-10-10 Yalan Lin , Chengcheng Wan , Yixiong Fang , Xiaodong Gu

In this work, we introduce a new concatenation scheme which aims at protecting information against the occurrence of both computational errors and quantum erasures. According to our scheme, the internal code must be a quantum…

量子物理 · 物理学 2013-05-21 Gilson O. dos Santos , Francisco M. de Assis

Mobile code based computing requires development of protection schemes that allow digital signature and encryption of data collected by the agents in untrusted hosts. These algorithms could not rely on carrying encryption keys if these keys…

密码学与安全 · 计算机科学 2007-05-23 Diego Rodriguez , Igor Sobrado

Cryptography is the science of using mathematics to encrypt and decrypt data. Cryptography enables you to store sensitive information or transmit it across insecure networks so that it cannot be read by anyone except the intended recipient.…

密码学与安全 · 计算机科学 2011-10-10 Penmetsa V. Krishna Raja , A. S. N. Chakravarthy , P. S. Avadhani

In the rapidly growing digital economy, protecting intellectual property (IP) associated with digital products has become increasingly important. Within this context, machine learning (ML) models, being highly valuable digital assets, have…

密码学与安全 · 计算机科学 2023-12-20 Xin Mu , Yu Wang , Zhengan Huang , Junzuo Lai , Yehong Zhang , Hui Wang , Yue Yu

The paper presents a novel technique for encoding dual messages within standard Quick Response (QR) codes through precise half-pixel module splitting. This work challenges fundamental assumptions about deterministic decoding in the ISO/IEC…

信号处理 · 电气工程与系统科学 2025-03-19 David Noever , Forrest McKee

Outsourcing data storage to the remote cloud can be an economical solution to enhance data management in the smart grid ecosystem. To protect the privacy of data, the utility company may choose to encrypt the data before uploading them to…

密码学与安全 · 计算机科学 2018-11-01 Jiangnan Li , Xiangyu Niu , Jinyuan Stella Sun

Homomorphic encryption is a sophisticated encryption technique that allows computations on encrypted data to be done without the requirement for decryption. This trait makes homomorphic encryption appropriate for safe computation in…

密码学与安全 · 计算机科学 2023-05-11 Nimish Jain , Aswani Kumar Cherukuri

In recent years, the attack which leverages register information (e.g. accounts and passwords) leaked from 3rd party applications to try other applications is popular and serious. We call this attack "database collision". Traditionally,…

密码学与安全 · 计算机科学 2022-06-27 Bo Zhao , Yu Zhou

Securing information transmission is critical today. However, with rapidly developing powerful quantum technologies, conventional cryptography techniques are becoming more prone to attacks each day. New techniques in the realm of quantum…

密码学与安全 · 计算机科学 2020-09-10 Saiful Islam Salim , Adnan Quaium , Sriram Chellappan , A. B. M. Alim Al Islam

In this paper it has been developed an algorithm for cryptography, using the Mellin's transform. Cryptography is very important to protect data to ensure that two people, using an insecure channel, may communicate in a secure way. In the…

密码学与安全 · 计算机科学 2014-01-08 Yeray Cachon Santana

Electronic documents are signed using private keys and verified using the corresponding digital certificates through the well-known public key infrastructure model. Private keys must be kept in a safe container so they can be reused. This…

密码学与安全 · 计算机科学 2024-08-02 Lucas Mayr , Gustavo Zambonin , Frederico Schardong , Ricardo Custódio

This paper presents a traitor-tracing technique based on the watermarking of digital documents (\pdf{} files in particular). The watermarking algorithm uses a chain of three separate techniques that work in synergy. The embedded payload can…

密码学与安全 · 计算机科学 2021-09-21 Fabrizio d'Amore , Alessandro Serpi

In many recent years, the programming world has been introduced about a new programming language for designing websites, it is CSS that can be be used together with HTML to develop a web interface. And now, these two programming languages…

密码学与安全 · 计算机科学 2012-01-11 Herman Kabetta , B. Yudi Dwiandiyanta , Suyoto

Confidentiality in our digital world is based on the security of cryptographic algorithms. These are usually executed transparently in the background, with people often relying on them without further knowledge. In the course of…

密码学与安全 · 计算机科学 2023-11-28 Peter Hillmann