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作者： Sun, Yanling Jiang, Tianjiao Liu, Baoxing Li, Yingqi Xiao, Mingkun Su, Qun Faculty of Science Shenyang Jianzhu University Shenyang China School of Computer Science and Engineering Shenyang Jianzhu University Shenyang China

In view of the problems of small key space and poor key sensitivity in classical image encryption algorithm, the characteristics of chaotic system and M set are analyzed, and a new image encryption algorithm is proposed in this paper. The parameter values generated by SHA-256 algorithm are substituted into the hyper-chaotic Lorenz system to form the initial values of the input plaintext image. Then pseudo-random sequences are generated by hyper-chaotic Lorenz system, and the sequences are scrambled and diffused. The image matrix is generated according to Mandelbrot set, and the image is scrambled again with the sequence generated by different iteration times, and the encrypted image is finally obtained by XOR operation. The experimental results show that the proposed image encryption algorithm has good performance in various evaluation criteria, the key space value of the algorithm is large enough, high key sensitivity and the correlation of adjacent pixels is significantly reduced, and the information entropy is close to the ideal value. Thus this paper proposes image encryption algorithm has good security, can satisfy the requirements of the digital image encryption technology. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.

关键词： encryption algorithms

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Quantum Key-Revocable Dual-Regev encryption, Revisited 22nd

Quantum Key-Revocable Dual-Regev Encryption, Revisited

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22nd Theory of Cryptography Conference, TCC 2024

作者： Ananth, Prabhanjan Hu, Zihan Huang, Zikuan UCSB Santa Barbara United States EPFL Lausanne Switzerland Tsinghua University Beijing China

ISBN: (纸本)9783031780196

Quantum information can be used to achieve novel cryptographic primitives that are impossible to achieve classically. A recent work by Ananth, Poremba, Vaikuntanathan (TCC 2023) focuses on equipping the dual-Regev encryption scheme, introduced by Gentry, Peikert, Vaikuntanathan (STOC 2008), with key revocation capabilities using quantum information. They further showed that the key-revocable dual-Regev scheme implies the existence of fully homomorphic encryption and pseudorandom functions, with both of them also equipped with key revocation capabilities. Unfortunately, they were only able to prove the security of their schemes based on new conjectures and left open the problem of basing the security of key revocable dual-Regev encryption on well-studied assumptions. In this work, we resolve this open problem. Assuming polynomial hardness of learning with errors (over sub-exponential modulus), we show that key-revocable dual-Regev encryption is secure. As a consequence, for the first time, we achieve the following results:Key-revocable public-key encryption and key-revocable fully-homomorphic encryption satisfying classical revocation security and based on polynomial hardness of learning with errors. Prior works either did not achieve classical revocation or were based on sub-exponential hardness of learning with ***-revocable pseudorandom functions satisfying classical revocation from the polynomial hardness of learning with errors. Prior works relied upon unproven conjectures. Key-revocable public-key encryption and key-revocable fully-homomorphic encryption satisfying classical revocation security and based on polynomial hardness of learning with errors. Prior works either did not achieve classical revocation or were based on sub-exponential hardness of learning with errors. Key-revocable pseudorandom functions satisfying classical revocation from the polynomial hardness of learning with errors. Prior works relied upon unproven conjectures. © International

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Chaotic Resilience: Enhancing IoT Security Through Dynamic Data encryption 8th

Chaotic Resilience: Enhancing IoT Security Through Dynamic D...

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8th International Symposium on Intelligent Informatics, ISI 2023

作者： Francis, E. Geo Sheeja, S. Depertment of Computer Science Karpagam Academy of Higher Education Coimbatore India Department of Data Science Sri Krishna Adithya College of Arts and Science Coimbatore India

ISBN: (纸本)9789819721467

In the ever-expanding landscape of the Internet of Things (IoT), safeguarding the security and privacy of data transmissions among IoT devices has become increasingly critical. This research introduces an innovative approach known as "Chaotic Resilience" to bolster the security of data exchanged between IoT devices. While traditional encryption methods are effective, they often rely on fixed cryptographic keys, making them susceptible to attacks over time. Chaotic Resilience introduces an element of dynamic unpredictability into the encryption process, making it considerably more resistant to brute-force attacks and key extraction techniques. The proposed technique involves the integration of chaotic systems, such as the 4D chaotic map, into the encryption process. These chaotic systems generate an ongoing sequence of unpredictable values, which are then combined with the plaintext data through a dynamic encryption algorithm. The result is ciphertext that becomes highly sensitive to initial conditions and practically immune to standard cryptographic attacks. Moreover, the dynamic nature of the encryption process ensures that even if an attacker gains access to the encryption algorithm, they cannot predict future encryption keys. Through extensive simulations and experiments, we demonstrate the effectiveness of Chaotic Resilience in thwarting various attack scenarios, including brute-force attacks, chosen-plaintext attacks, and known-plaintext attacks. Additionally, Chaotic Resilience demonstrates a 20% increase in encryption speed and a 15% reduction in resource utilization, establishing it as an efficient and robust IoT security solution. Our results underscore that Chaotic Resilience significantly enhances the security and resilience of IoT data transmissions, offering a promising avenue for strengthening IoT security in an increasingly interconnected world. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.

关键词： encryption algorithms

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Secure Communication via PUF-Enabled Hardware and encryption Techniques

Secure Communication via PUF-Enabled Hardware and Encrypti...

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International Conference on Computing and Machine Learning, CML 2024

作者： Purohit, Yash Viradiya, Yash Savani, Vijay Department of Electronics and Communications Institute of Technology Nirma University Gujarat Ahmedabad India

ISBN: (纸本)9789819778386

This paper presents a technique for ensuring secure communication between interconnected devices using the Serial Peripheral Interface (SPI) protocol. The method combines the strengths of the Physical Unclonable Function (PUF) and the SHA-256 Hashing Algorithm to generate an exceptionally secure key that is nearly impossible to decode, thereby preserving the internal security of the embedded nodes. The data transmitted through the channel is encrypted using the Blowfish symmetric key encryption algorithm. A new unique key is generated for each channel, guaranteeing enhanced security. The proposed algorithm provides robust protection against various attacks that target the encryption key and system integrity. Furthermore, the algorithm is implemented in hardware to evaluate its effectiveness, identify areas for improvement, and optimize its functionality. Through this hardware implementation, the authors assess the technique’s performance and explore potential enhancements for its future development. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.

关键词： encryption algorithms

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Enhancing the Security of Real-World Applications through the Implementation of the RSA Algorithm

Informatica (Slovenia)

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Informatica (Slovenia) 2025年第9期49卷 1-8页

作者： Ghrib, Toufik Ghali, Ahmed Benbrahim, Fouzi Abusal, Yusef Awad University of Kasdi Merbah Ouargla Algeria École Normale Supérieure de Ouargla Algeria Ufa State Petroleum Technological University Russia

In the recent times, during COVID-19 statics tell, cyber-attacks have increased by up to 37%. While the lockdown all the companies are leveraging technologies accessible via internet to conduct their day to today work. The amount of transfer of data and information be it personal or otherwise has also escalated. Today, cyberattack is a major threat to every company. On the other hand, companies and hackers have been trying to take the advantage of it to attack people. Thus, security of data and keeping individuals or enterprises information safe has become a crucial area of research. Cryptography provides major breakthroughs by providing techniques to encrypt the data before sharing it over internet. But with increasing computational power of technology and AI;there’s a need to make advancements to these algorithms. This paper provides a novel approach to RSA algorithm to increase the security and performance. The proposed algorithm is compared with the standard RSA algorithm by varying the number of primes. A Machine Learning (ML) model is also proposed which suggests the number of primes required to encrypt the message to optimize the processing time based on the length of the message and the execution time. © 2025 Slovene Society Informatika. All rights reserved.

关键词： encryption algorithms

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Secure sensing and computing techniques based on fuzzy in 5G

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INTERNATIONAL JOURNAL OF ELECTRONIC SECURITY AND DIGITAL FORENSICS 2025年第3期17卷 379-390页

作者： Balasubramani, Ramesh Sengottaiyan, Kumarganesh Rangasamy, Thillaikkarasi Muthusamy, Susaritha Sellamuthu, Elango Shaik, Mahaboob Basha Annapoorana Engn Coll Dept ECE Salem Tamil Nadu India Knowledge Inst Technol Dept ECE Salem Tamil Nadu India Salem Coll Engn & Technol Dept ECE Salem Tamil Nadu India Sona Coll Technol Dept ECE Salem Tamil Nadu India Madanapalle Inst Technol & Sci Dept CSE Annamayya Andhra Pradesh India GITAM Univ Sch Technol Dept CSE Hyderabad Telangana India

The new technology that is employed in 5G applications presents potential security vulnerabilities. In this study, the security needs for 5G applications are analysed, and hierarchical solutions for securing 5G apps are presented for various stakeholders. This study analyses the process of vulnerability assessment in 5G networks and offers an optimised dynamic technique for precisely analysing the vulnerabilities that exist in 5G networks. Specifically, the research focuses on how 5G networks may be attacked. Combining fuzzy numbers with the method for order of preference by similarity to the ideal solution (TOPSIS) is what this approach does. The proposed technique considers both static and dynamic aspects of the 5G network, such as latency and accessibility, to discover the possible attack graph pathways along which an attack may spread across the network. In addition, we compare the enhanced technique to both the classic TOPSIS and the widely used susceptibility scanning application known as Nessus.

关键词： fuzzy security 5G encryption algorithms internet of things IoT 5G heterogeneous networks

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Converting Fixed-Length Binary Strings Into Constant Weight Words: Application on Post-Quantum Cryptography

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IEEE Transactions on Dependable and Secure Computing 2025年第3期22卷 3063-3074页

作者： López-García, Mariano Farouk-Marei, David G. Cantó-Navarro, Enrique Universitat Politècnica de Catalunya Department of Electronic Engineering Vilanova i la Geltrú08800 Spain Universitat Rovira i Virgili Department of Electrical and Automatic Electronic Engineering Tarragona43007 Spain

This paper presents a new algorithm for encoding binary strings of fixed-length into a word of constant Hamming weight and constant length. The primary difference compared to previous publications is that the proposed algorithm can be directly applied to binary strings of fixed-length, without including a variable number of random bits needed to ensure the success of the encoding. The algorithm is useful for many post-quantum encryption schemes, in which a constant weight word is required. Additionally, a constant-time version of the algorithm is proposed, in order to mitigate information leakage vulnerabilities that could be exploited in potential timing attacks. An application based on a post-quantum Classic McEliece cryptosystem, using different security levels, is presented. Experimental results demonstrate the feasibility and correctness of our approach along with its advantages when compared with other solutions proposed in the past. © 2004-2012 IEEE.

关键词： encryption algorithms

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Use of Russian standardized crypto algorithms in QUIC

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JOURNAL OF COMPUTER VIROLOGY AND HACKING TECHNIQUES 2025年第1期21卷 1-7页

作者： Smyslov, Valery JSC ELVIS PLUS Moscow Russia

This article evaluates the possibility of using Russian Standardized Crypto algorithms (also known as GOST algorithms) in the QUIC transport protocol. The conclusion is that it is generally feasible to use these algorithms in QUIC, provided that some additional tasks, identified in this article, are completed. The article also identifies potential problems with some GOST algorithms when used in QUIC.

关键词： encryption algorithms

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THE INCOME ALLOCATION MECHANISM OF TRUSTED "DUAL CONTRIBUTION" DATA ASSETS BASED ON BLOCKCHAIN TECHNOLOGY

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Scalable Computing 2025年第2期26卷 757-765页

作者： CHEN, QIANHUI DING, WEIBIN SHEN, HUAQIANG State Grid Zhejiang Electric Power Investment & Operation Co. Ltd. ZheJiang HangZhou310007 China State Grid ZheJiang Electric Power Co. Ltd. ZheJiang HangZhou310007 China State Grid ZheJiang Electric Power Co. Ltd. JiaXing Electric Power Supply Company ZheJiang JiaXing314033 China

In order to solve the problem of researching the distribution of returns on trustworthy "dual contribution" data assets, the authors propose a research on the distribution mechanism of returns on trustworthy "dual contribution" data assets based on blockchain technology. Integrate and apply various levels in the blockchain system. In this model, a node authorization control mechanism is added in the network layer, which can be customized in the consensus layer, and the data query efficiency can be improved through the optimization of the structure and the establishment of the index, so that the data can be managed intelligently in the intelligent contract layer, and encrypts information with customizable encryption algorithms at the transaction layer. In simpler terms, the new data asset management model utilizing blockchain technology has made on-chain data queries 2.25 times faster compared to conventional models. The benefit distribution mechanism model of blockchain is more conducive to internal cooperation than the traditional model. © (2025), (West University of Timisoara). All rights reserved.

关键词： encryption algorithms

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An Interpolated Quantized Guard Band Algorithm for Physical Layer Key Generation

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Intelligent and Converged Networks 2025年第1期6卷 102-114页

作者： An, Yongli Zha, Kun Song, Wenfeng Ji, Zhanlin College of Artificial Intelligence North China University of Science and Technology Tangshan063210 China

With the continuous progress of communication technology, traditional encryption algorithms cannot meet the demands of modern wireless communication security. Secure communication based on physical layer encryption emerges as a solution. To meet the low Key Disagreement Rate (KDR) and high Key Generation Rate (KGR) requirements for physical layer key generation, this paper proposes two quantization algorithms, Improve-CQG and Interpolate-CQG, based on the Channel Quantization with Guard band (CQG) algorithm. The former divides the characteristic quantization into two phases: threshold filtering and guard band quantization, while the latter adds a step after these two phases: interpolation quantization. Compared to the CQG algorithm, the Improve-CQG algorithm enhances the granularity of filtered quantization values. The core concept of the Interpolate-CQG algorithm is to utilize threshold filtering and the rounded-off quantization values from the guard band quantization phase. The symbol information corresponding to these index values is replaced by a new interpolated symbol and inserted into the key by the agreed quantized coordinates. Simulation proves that the Interpolate-CQG is an effective quantization algorithm for the key generation with lower KDR and higher KGR than the Improve-CQA and Improve-CQG. © 2020 Tsinghua University Press.

关键词： encryption algorithms

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