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This paper proposes an efficient secret key cryptosystem based on polar codes over Binary Erasure Channel. We introduce a method, for the first time to our knowledge, to hide the generator matrix of the polar codes from an attacker. In…

Cryptography and Security · Computer Science 2013-08-02 Reza Hooshmand , Masoumeh Koochak Shooshtari , Mohammad Reza Aref

Securing multimedia data has become of utmost importance especially in the applications related to military purposes. With the rise in development in computer and internet technology, multimedia data has become the most convenient method…

Cryptography and Security · Computer Science 2013-03-17 Ajay Kulkarni , Saurabh Kulkarni , Ketki Haridas , Aniket More

This paper proposes to study the impact of image selective encryption on both forensics and privacy preserving mechanisms. The proposed selective encryption scheme works independently on each bitplane by encrypting the s most significant…

Cryptography and Security · Computer Science 2021-03-08 Pauline Puteaux , Vincent Itier , Patrick Bas

Face recognition has recently become ubiquitous in many scenes for authentication or security purposes. Meanwhile, there are increasing concerns about the privacy of face images, which are sensitive biometric data that should be carefully…

Cryptography and Security · Computer Science 2022-01-31 Qi Zhao , Huanhao Li , Zhipeng Yu , Chi Man Woo , Tianting Zhong , Shengfu Cheng , Yuanjin Zheng , Honglin Liu , Jie Tian , Puxiang Lai

This paper proposes a video encryption algorithm using RSA and Pseudo Noise (PN) sequence, aimed at applications requiring sensitive video information transfers. The system is primarily designed to work with files encoded using the Audio…

Cryptography and Security · Computer Science 2020-09-07 Aman Chadha , Sushmit Mallik , Ankit Chadha , Ravdeep Johar , M. Mani Roja

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

Cloud computing is the broad and diverse phenomenon. Users are allowed to store huge amount of data on cloud storage for future use. Most of the cloud service providers store data in plain text format or in secured manner but client will…

Cryptography and Security · Computer Science 2022-02-02 Fahina , Shwetha U , Poorna , Supriya , Rama Moorthy H , Dr. Vasudeva

Multi-signcryption is used when different senders wants to authenticate a single message without revealing it. This paper proposes a multi signcryption scheme in which no pairing is computed on the signcryption stage and the signatures can…

Cryptography and Security · Computer Science 2009-09-09 Munendra Agrawal , Prashant Kushwah , Sunder Lal

In this thesis, a multimodal biometric, secure encrypted data and encrypted biometric encoded into the QR code-based biometric-passport authentication method is proposed for national security applications. Firstly, using the Extended…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Ziaul Haque Choudhury

Outsourcing a relational database to the cloud offers several benefits, including scalability, availability, and cost-effectiveness. However, there are concerns about the security and confidentiality of the outsourced data. A general…

Cryptography and Security · Computer Science 2023-12-20 Johannes Koppenwallner , Erich Schikuta

Quantum cryptography allows one to distribute a secret key between two remote parties using the fundamental principles of quantum mechanics. The well-known established paradigm for the quantum key distribution relies on the actual…

Quantum Physics · Physics 2015-05-13 Tae-Gon Noh

The method is introduced for fast data processing by reducing the probability amplitudes of undesirable elements. The algorithm has a mathematical description and circuit implementation on a quantum processor. The idea is to make a quick…

Quantum Physics · Physics 2025-04-24 Karina Zakharova , Artem Chernikov , Sergey Sysoev

Steganography has proven to be one of the practical way of securing data. It is a new kind of secret communication used to hide secret data inside other innocent digital mediums. There are various algorithms for pair and matching technique.…

Cryptography and Security · Computer Science 2022-02-02 P N Priya , R Ranjitha , Yashaswini Naik , Shrilekha , Rama Moorthy H

Machine Learning on Big Data gets more and more attention in various fields. Even so privacy-preserving techniques become more important, even necessary due to legal regulations such as the General Data Protection Regulation (GDPR). On the…

Cryptography and Security · Computer Science 2022-01-28 Jasmin Zalonis , Frederik Armknecht , Björn Grohmann , Manuel Koch

In this paper we proposed an authentication technique based on the user cards, to improve the authentication process in systems that allows remote access for the users, and raise the security rate during an exchange of their messages. in…

Cryptography and Security · Computer Science 2021-08-17 Ibrahim Obeidat , Ahmed AL Arjan , Rula AL Amrat , Rathaa AL Ajmi

The recent spades of cyber security attacks have compromised end users' data safety and privacy in Medical Cyber-Physical Systems (MCPS). Traditional standard encryption algorithms for data protection are designed based on a viewpoint of…

Cryptography and Security · Computer Science 2019-04-18 Han Qiu , Meikang Qiu , Meiqin Liu , Gerard Memmi

Privacy Preserving Data Mining(PPDM) is an ongoing research area aimed at bridging the gap between the collaborative data mining and data confidentiality There are many different approaches which have been adopted for PPDM, of them the rule…

Databases · Computer Science 2014-05-09 P. Cynthia Selvi , A. R. Mohammed Shanavas

To protect image contents, most existing encryption algorithms are designed to transform an original image into a texture-like or noise-like image, which is, however, an obvious visual sign indicating the presence of an encrypted image,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Xintao Duan , Haoxian Song , En Zhang , Jingjing Liu

This paper describes privacy-preserving approaches for the statistical analysis. It describes motivations for privacy-preserving approaches for the statistical analysis of sensitive data, presents examples of use cases where such methods…

Malicious software is an integral part of cybercrime defense. Due to the growing number of malicious attacks and their target sources, detecting and preventing the attack becomes more challenging due to the assault's changing behavior. The…

Cryptography and Security · Computer Science 2023-08-10 Mohammad Aziz , Ali Saeed Alfoudi