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Cloud computing helps reduce costs, increase business agility and deploy solutions with a high return on investment for many types of applications. However, data security is of premium importance to many users and often restrains their…

Databases · Computer Science 2018-01-01 Varunya Attasena , Jérôme Darmont , Nouria Harbi

Many existing coverless steganography methods establish a mapping relationship between cover images and hidden data. There exists an issue that the number of images stored in the database grows exponentially as the steganographic capacity…

Cryptography and Security · Computer Science 2024-01-23 Jiajun Liu , Lina Tan , Zhili Zhou , Yi Li , Peng Chen

As security demands increase, the importance of secure computation technologies grows, yet these technologies can often seem overwhelming to practitioners. Furthermore, many approaches focus only on a single technology, potentially…

Cryptography and Security · Computer Science 2026-05-07 Marcus Taubert , Adam Skuta , Thomas Loruenser

Recently, inference privacy has attracted increasing attention. The inference privacy concern arises most notably in the widely deployed edge-cloud video analytics systems, where the cloud needs the videos captured from the edge. The video…

Cryptography and Security · Computer Science 2023-05-26 Siping Shi , Bihai Zhang , Dan Wang

Large language models (LLMs) have empowered nodes within multi-agent networks with intelligence, showing growing applications in both academia and industry. However, how to prevent these networks from generating malicious information…

Multiagent Systems · Computer Science 2024-10-22 Miao Yu , Shilong Wang , Guibin Zhang , Junyuan Mao , Chenlong Yin , Qijiong Liu , Qingsong Wen , Kun Wang , Yang Wang

This letter studies information-theoretic security without knowing the eavesdropper's channel fading state. We present an alternative secrecy outage formulation to measure the probability that message transmissions fail to achieve perfect…

Information Theory · Computer Science 2016-11-17 Xiangyun Zhou , Matthew R. McKay , Behrouz Maham , Are Hjorungnes

Security is an important facet of integrated circuit design for many applications. IP privacy and Trojan insertion are growing threats as circuit fabrication in advanced nodes almost inevitably relies on untrusted foundries. A proposed…

Cryptography and Security · Computer Science 2020-05-21 Joseph Sweeney , Samuel Pagliarini , Lawrence Pileggi

The need to protect sensitive information privacy duringinformation exchange over the internet/intranet has led towider adoption of cryptography and steganography. The cryptography approaches convert the information into an unreadable…

Emerging Technologies · Computer Science 2024-05-01 Idakwo M. A. , Muazu M. B. , Adedokun A. E. , Sadiq B. O

This paper investigates the use of dynamical chaotic systems to encrypt and exchange images between different devices. Two devices were used to simulate the Cubic Map, having the same set of initial conditions, to generate an encryption…

Cryptography and Security · Computer Science 2019-10-15 T. A. Santos , E. P. Magalhaes , D. R. Fiorio , E. G. Nepomuceno

Information Hiding is considered very important part of our lives. There exist many techniques for securing the information. This paper briefs on the techniques for information hiding and the potential threats to those methods. This paper…

Cryptography and Security · Computer Science 2014-04-17 Richa Gupta

This paper is concerned with several security notions for information theoretically secure encryptions defined by the variational (statistical) distance. To ensure the perfect secrecy (PS), the mutual information is often used to evaluate…

Cryptography and Security · Computer Science 2012-01-06 Mitsugu Iwamoto , Kazuo Ohta

The family of Information Dispersal Algorithms is applied to distributed systems for secure and reliable storage and transmission. In comparison with perfect secret sharing it achieves a significantly smaller memory overhead and better…

Cryptography and Security · Computer Science 2017-05-30 Katarzyna Kapusta , Gerard Memmi , Hassan Noura

This paper puts a new light on secure data storage inside distributed systems. Specifically, it revisits computational secret sharing in a situation where the encryption key is exposed to an attacker. It comes with several contributions:…

Cryptography and Security · Computer Science 2020-02-18 Katarzyna Kapusta , Gerard Memmi , Matthieu Rambaud

Hardware caches are essential performance optimization features in modern processors to reduce the effective memory access time. Unfortunately, they are also the prime targets for attacks on computer processors because they are…

Cryptography and Security · Computer Science 2023-06-06 Guangyuan Hu , Ruby B. Lee

Recent advances in cryptography promise to enable secure statistical computation on encrypted data, whereby a limited set of operations can be carried out without the need to first decrypt. We review these homomorphic encryption schemes in…

Machine Learning · Statistics 2015-08-27 Louis J. M. Aslett , Pedro M. Esperança , Chris C. Holmes

As online fraudsters invest more resources, including purchasing large pools of fake user accounts and dedicated IPs, fraudulent attacks become less obvious and their detection becomes increasingly challenging. Existing approaches such as…

Social and Information Networks · Computer Science 2017-05-26 Shenghua Liu , Bryan Hooi , Christos Faloutsos

Investigating how to construct a secure hash algorithm needs in-depth study, as various existing hash functions like the MD5 algorithm have recently exposed their security flaws. At the same time, hash function based on chaotic theory has…

Cryptography and Security · Computer Science 2017-06-27 Zhuosheng Lin , Christophe Guyeux , Simin Yu , Qianxue Wang

In recent years, a growing number of cryptosystems based on chaos have been proposed, many of them fundamentally flawed by a lack of robustness and security. This paper describes the security weaknesses of a recently proposed cryptographic…

Chaotic Dynamics · Physics 2007-10-30 Gonzalo Alvarez , Shujun Li

Internet of Things devices are expanding rapidly and generating huge amount of data. There is an increasing need to explore data collected from these devices. Collaborative learning provides a strategic solution for the Internet of Things…

Cryptography and Security · Computer Science 2022-07-21 Guanhong Miao

Usage of the fast development of real-life digital applications in modern technology should guarantee novel and efficient way-outs of their protection. Encryption facilitates the data hiding. With the express development of technology,…

Cryptography and Security · Computer Science 2025-02-26 Sachith Dassanayaka