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347 articles for “security algorithms”
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A Review on Algorithms of Cluster Head in Mobile Ad Hoc Networks
Abstract: AbstractMobile ad hoc networks consists of mobile nodes that communicates with each different with none mounted topology. Cluster head choice, energy consumption and security may be a great challenge for MANET recently. Optimizing cluster head choice minimizes the energy consumption during a specific network and in addition reduces the information transmission overheads. There are several algorithms for cluster head choice that are supported many parameters. For higher utilization of energy, …
Published in Current Trends in Signal Processing · Vol. 8, Issue 3, 2018 · pp. 1–6 Read article
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Review of SHA-1 Encryption Algorithm
Abstract: In the security world, encryption is the popularly known method for protection and safety of data. Digital signature and message authentication are the widely known applications of hashing that require the hash value calculation. Sha-1 is amongst the most trusted algorithms for calculating hash values. Sha-1 takes any size of input and yields fixed size hash value of 160 bits after going through 80 rounds. Belonging to MD4 family sha-1 …
Published in Journal of Advances in Shell Programming · Vol. 3, Issue 3, 2016 · pp. 1–4 Read article
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Security in Smart-Grid using Elliptic Curve
Abstract: The IoT is a technology which helps to connect anywhere, anytime and anyplace to anyone. This concept of IoT has helped the human kind to make every device controllable without physical intervention by a human being. It has led to the development of various applications like smart grid, smart parking, smart home etc. Among the various applications of the smart grid, we focus on Advanced Metering Infrastructure (AMI). AMI is …
Published in Journal of Web Engineering & Technology · Vol. 6, Issue 1, 2019 · pp. 44–51 Read article
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A Comprehensive Study of Quantum Cryptography
Abstract: Quantum cryptography has emerged as one of the most promising fields in modern information security, offering innovative solutions that have the potential to transform the future of global cyber-defense. Unlike classical cryptographic systems, which depend primarily on the computational difficulty of solving complex mathematical problems, quantum cryptography is grounded in the fundamental and unbreakable laws of quantum mechanics. Core principles such as superposition, entanglement, and the uncertainty principle form the …
Published in Journal of Advanced Database Management & Systems · Vol. 12, Issue 3, 2025 · pp. 12–26 Read article
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Encryption Technique for Security Enhancement of Communication System
Abstract: Wireless communication is used in several applications. Encryption of the text message is important to enhance the security in data transmission by avoiding unwanted third party access. Several algorithms are proposed and used for security enhancement of communication systems. In this research paper, an encryption and decryption algorithm to enhance the security of communication system is proposed. The plain message and the cipher text are different and message decoding is …
Published in Current Trends in Information Technology · Vol. 10, Issue 1, 2020 · pp. 30–35 Read article
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Data Embedding Technique for Palette Scale Image using Derived Genetic Algorithm (DEP-DGA)
Abstract: Steganography method is used for exchanging the hidden information. It is defined as the study of hidden communication that deals with the existence of communicated messages. The existing methodology for minimizing additive distortion in steganography fails in measuring the level of distortion for the given source palette digital image. Perfect sphere shaped palette digital images are not suitable for selection, as cover models because the hidden data might be easily …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 1, Issue 2, 2014 · pp. 1–10 Read article
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Enhancing Security for Cloud based Collaborative System
Abstract: — Due to the extensive application of Cloud Computing and Web application, collaborative technologies are popular, like Google Docs, Office 365 allows access to all files, from which real time many client can be edit document. By security considerations, cloud service providers can read Client's confidential information, while using collaborative editing system. These services access documents third-party sources, which mean that Remote hacker it can be directly accessible to those …
Published in Journal of Advanced Database Management & Systems · Vol. 5, Issue 1, 2018 · pp. 32–37 Read article
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Securing IoT Wilderness with VHDL
Abstract: The Internet of Things (IoT) has revolutionized connectivity by integrating billions of devices and reshaping industries. However, this vast network also brings substantial security concerns. From compromised sensors to hijacked industrial control systems, the vulnerabilities within IoT devices can have far-reaching consequences. Hardware Security Modules (HSMs) provide a reliable and secure environment for performing cryptographic operations and safeguarding sensitive data. This article explores the crucial role of VHDL (VHSIC Hardware …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 3, Issue 1, 2025 · pp. 29–40 Read article
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Plain Text Encryption and Decryption Time Comparison Using ECC
Abstract: The increased use of computer communication systems has increased risk of data theft. Cryptography is the most important aspect of communication, security and becoming an important building block for computer security. Elliptic curve cryptography is one of the most widely used public key algorithms for secure exchange of information. In this paper, the authors present time comparison of encryption and decryption using ECC for text messages.
Published in E-Commerce for Future & Trends · Vol. 1, Issue 1, 2014 · pp. 11–14 Read article
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Increase Use of Multifactor Authentication
Abstract: AS we all know a single verification is not capable of providing enough security to a user’s while accessing the area like insurance, medical record, banking etc. In this user just type their id and password to login into the website but users want website to increase the security. By using multifactor authentication scheme, we can increase the security level we are going to know in this paper. In this …
Published in Journal of Operating Systems Development & Trends · Vol. 8, Issue 2, 2021 · pp. 26–31 Read article
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A Multi-Quadrant, Integrated and Secure Model of Multiple Watermarking
Abstract: Watermarking safeguards the copyright of digital images with its original owner. A watermarking model is projected by conjoining three distinct multiple watermarking approaches. The secure model is obtained by integrating multiple watermarking with the latest secure cryptographic algorithms. The proposed model will improve copyright protection, achieve large embedding capacity and provide a stronger association amongst image and watermark for integrity and authentication. The multiple watermarking model partitions the cover image …
Published in Journal of Open Source Developments · Vol. 1, Issue 2, 2014 · pp. 15–28 Read article
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Design and Implementation of an Improved Cryptographic Algorithm using UNICODE and Universal Colors
Abstract: AbstractA new cryptography algorithm based on Unicode and Universal colors is proposed to preserve the confidentiality of the data. The use of Unicode as encoding scheme provides support to a very large range of characters. The colors are used to obtain a large key domain to avoid cryptanalyst attacks like brute-force and dictionary attacks. The concept is based on the symmetric key cryptography that supports the use of a single …
Published in Current Trends in Information Technology · Vol. 3, Issue 1, 2013 · pp. 10–16 Read article
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Optimized Hardware Realization of AES for High-Throughput FPGA Platforms
Abstract: The Advanced Encryption Standard (AES) is the predominant symmetric-key cryptographic algorithm used for securing digital communication across embedded systems, IoT devices, cloud infrastructures, and defense networks. Although software-based AES implementations offer flexibility, they often fail to meet the high-speed, low-latency, and energy-efficient requirements of modern real-time applications. Reconfigurable hardware platforms such as Field-Programmable Gate Arrays (FPGAs) provide a powerful alternative by enabling architectural customization, intrinsic parallelism, and optimized hardware acceleration. …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 3, Issue 2, 2025 · pp. 11–22 Read article
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Analysis of Image Watermarking Techniques against Various Noise Attacks for Medical Images using Genetic Algorithm (GA)
Abstract: In this paper, we have presented a dual secure digital image watermarking algorithm based on discrete wavelet transforms (DWT), lifting wavelet transforms (LWT) and singular value decomposition (SVD) using genetic algorithm (GA) for medical images. The natural image is chosen as cover image and is decomposed up to three levels using discrete wavelet transform. The medical image is chosen as a watermark. The genetic algorithm is used to embed and …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 2, Issue 3, 2015 · pp. 36–44 Read article
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Entangled Shields: Securing Digital Systems in the Quantum Cryptographic Revolution
Abstract: Quantum computing utilizing principles of superposition and entanglement is poised to revolutionize the computational landscape, presenting unprecedented challenges and opportunities across various disciplines. Among these, cryptography stands at the forefront due to its reliance on computational hardness assumptions, which Quantum algorithms, such as Grover’s and Shor’s, can efficiently exploit. This study explores theoretical foundations and practical applications of quantum-safe cryptographic primitives, such as lattice-based cryptography, hash-based signature schemes, code-based systems, …
Published in Recent Trends in Parallel Computing · Vol. 12, Issue 2, 2025 · pp. 33–43 Read article
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Blockchain Technology: Systematic Review of Security and Privacy Problems and Its Scope with Cloud Computing
Abstract: The Blockchain is a mutual, disseminated record that encourages the process of account exchanges and following resources in a business organization. Blockchain empowers parties who do not completely confide in one another to keep up a lot of worldwide areas. It is a system comprised of transactions, immutable ledgers, decentralized peers, encryption processes, consensus mechanisms, optional smart contracts. It is a digital innovation which is meant to drastically alter financial …
Published in Journal Of Network security · Vol. 7, Issue 1, 2019 · pp. 1–6 Read article
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A Review Paper on Security C++
Abstract: AbstractThis paper basically seeks out an attempt to overview the security issues and associated bugs and vulnerabilities in C++ programming language. The paper basically aims at SECURITY PROBLEMS, an emerging problem in C++. We tend to enhance the security manager and its features like the different types of code in particular. Further, the paper also explains about an enhanced version in security which will provide an upgraded cryptographic algorithm, advance …
Published in Journal of Computer Technology & Applications · Vol. 6, Issue 3, 2015 · pp. 83–85 Read article
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Emerging Paradigms: Leveraging Artificial Intelligence and Machine Learning for Enhanced Wireless Network Security
Abstract: Wireless networks have now become an indispensable component of our contemporary communication infrastructure, offering both connectivity and convenience. Nonetheless, the increasing complexity and constantly evolving nature of wireless networks present substantial security challenges. This work investigates the utilization of artificial intelligence (AI) and machine learning (ML) techniques to tackle these security issues in wireless networks. We delve into the principles and practices of applying AI and ML algorithms to enhance …
Published in Journal Of Network security · Vol. 11, Issue 2, 2023 · pp. 18–25 Read article
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Feature Fusion Based Iris and Retina Recognition System Using Kohonon Self-Organizing Mapping Neural Network Algorithm
Abstract: This paper proposes a model of biometric security with feature fusion based iris and retina recognition system. Though, a lot of research works have done for iris recognition system and it is not new for the fusion of multimodal iris recognition in the area of biometric security and authentication system. But, it is a relatively new idea of mixing iris and retina features for human authentication. Here, the features of …
Published in Trends in Electrical Engineering · Vol. 5, Issue 2, 2015 · pp. 22–26 Read article
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Embedding Dual Watermark in the G-Channel Image Using DCT and 2-D Walsh Code
Abstract: This paper uses two dimensional Walsh coding for blind twofold watermarking algorithm which mixes robust copyright watermark and authentication information into various color images to maintain the copyright ownership of the host images. First watermark i.e. fingerprint image is embedded in the DCT low frequency coefficients of the G-channel image of host image where as the second watermark i.e. mobile phone number is embedded in the DCT block of G-channel …
Published in Current Trends in Signal Processing · Vol. 5, Issue 2, 2015 · pp. 27–34 Read article