Digital Signature Algorithm
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Elliptic Curve Digital Signature Algorithm In Theory And Practice
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Author : Richard Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-06-16
Elliptic Curve Digital Signature Algorithm In Theory And Practice written by Richard Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-16 with Computers categories.
"Elliptic Curve Digital Signature Algorithm in Theory and Practice" "Elliptic Curve Digital Signature Algorithm in Theory and Practice" is an authoritative guide that offers readers a comprehensive exploration of ECDSA from fundamental principles to cutting-edge applications. The book begins with a detailed study of the algebraic underpinnings of elliptic curve cryptography, examining algebraic structures, coordinate systems, and the essential group laws that form the basis for secure cryptographic schemes. Through rigorous comparisons with classical algorithms like RSA and DSA, and an analysis of mathematical attacks and curve vulnerabilities, the work equips readers with a deep understanding of the theory that underlines the robust security offered by ECDSA. Building on these foundations, the text systematically covers digital signature schemes and the formal security models that define their resilience in the digital landscape. It provides a technical walkthrough of the ECDSA specification, including parameter selection, international standards compliance, point encoding, and the implementation nuances necessary for practical deployment. Comprehensive chapters address performance optimizations, defense mechanisms against side-channel and implementation-level attacks, and approaches for secure operation in constrained environments such as embedded and IoT devices. Additionally, the book demystifies advanced ECDSA variants and extensions, including threshold signatures, batching, aggregation techniques, and emerging trends like post-quantum and hybrid cryptographic systems. Completing the journey from theory to practice, this volume delivers an in-depth review of real-world deployments and key management strategies in diverse domains—ranging from secure communication protocols and blockchain platforms to hardware security modules and large-scale enterprise systems. Case studies and practical guidelines illuminate best practices for integration, auditability, compliance, and incident response. With a dedicated focus on testing, formal verification, continuous integration, and evolving research trajectories, this book is an indispensable resource for security professionals, implementers, and academics striving to navigate and contribute to the dynamic landscape of digital signatures and elliptic curve cryptography.
Digital Signature Algorithm
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Author : Rismon Hasiholan Sianipar
language : en
Publisher: Independently Published
Release Date : 2024-09-17
Digital Signature Algorithm written by Rismon Hasiholan Sianipar and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-09-17 with Computers categories.
Project 1 demonstrates generating a DSA (Digital Signature Algorithm) key pair using the cryptography library, where a 2048-bit private key is created and a corresponding public key is derived. The private key is essential for securely signing digital messages, and the public key allows others to verify these signatures. Both keys are serialized into PEM format, making them suitable for storage or transmission. The private key is serialized without encryption (though encryption is optional), while the public key is also serialized for easy sharing and use in cryptographic operations. Project 2 is a DSA (Digital Signature Algorithm) Key Generator application built with Python's tkinter for the GUI and the cryptography library for key generation. It provides an intuitive interface to generate, view, and save 2048-bit DSA key pairs, essential for secure digital signatures. The GUI features two tabs: "Generate Keys" for creating and serializing keys into PEM format, and "View Keys" for displaying them. Users can save the keys as .pem files with ease, supported by robust error handling and success notifications, making the application accessible and practical for secure communication needs. Project 3 demonstrates the process of signing and verifying a message using the Digital Signature Algorithm (DSA) in Python, while ensuring the signature is UTF-8 safe by encoding it in Base64. It begins by generating a DSA private and public key pair with a key size of 2048 bits. A message (in bytes) is then created, which is the data to be signed. The private key is used to generate a digital signature for the message using the SHA-256 hashing algorithm, ensuring the integrity and authenticity of the message. The generated signature, which is binary data, is encoded into Base64 format to make it text-safe and suitable for UTF-8 encoding. To verify the signature, the Base64-encoded signature is first decoded back into its original binary form. The public key is then used to verify the authenticity of the signature by comparing it to the message. If the verification is successful, the message "Signature is valid." is printed; otherwise, an InvalidSignature exception is raised, and the message "Signature is invalid." is displayed. This approach ensures that the digital signature can be safely transmitted or stored as text without data corruption, while still preserving its security properties. Project 4 is a Tkinter-based GUI application for Digital Signature Algorithm (DSA) operations, offering an intuitive interface for generating DSA keys, signing messages, and verifying signatures. It has two main tabs: one for generating and displaying DSA key pairs in PEM format, and another for signing and verifying messages. Users can input a message, sign it with the private key, and view the Base64-encoded signature, or verify a signature against the original message using the public key. The application handles errors gracefully, providing feedback on operations, making it a practical tool for cryptographic tasks. Project 5 and 6 provides a complete implementation for generating, signing, and verifying files using the Digital Signature Algorithm (DSA). It includes functions for creating DSA key pairs, signing file contents, and verifying signatures. The generate_and_save_keys() function generates a private and public key, serializes them to PEM format, and saves them to files. The sign_file() function uses the private key to sign the SHA-256 hash of a file's content, saving the signature in Base64 format. The verify_file_signature() function then verifies this signature using the public key, ensuring the file's authenticity and integrity.
Post Quantum Cryptography Algorithms And Approaches For Iot And Blockchain Security
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Author :
language : en
Publisher: Academic Press
Release Date : 2025-05-02
Post Quantum Cryptography Algorithms And Approaches For Iot And Blockchain Security written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-05-02 with Mathematics categories.
Post-Quantum Cryptography Algorithms and Approaches for IoT and Blockchain Security, Volume 138 the latest release in the Advances in Computers series, presents detailed coverage of innovations in computer hardware, software, theory, design and applications. Chapters in this new release include Quantum-safe Cryptography Approaches and Algorithms, Quantum Computing : An introduction, BPSK-BRO Framework for avoiding side channel attacks and multiphoton attacks in Quantum Key Distribution, Post-Quantum Cryptography Algorithms and Approaches for IoT and Blockchain Security-Chapter -Delineating the Blockchain Paradigm, Post Quantum Cryptographic approach for IoT Security, and more.Other chapters cover Post-Quantum Lightweight Cryptography Algorithms and Approaches for IoT and Blockchain Security, Quantum-enabled machine learning of Random Forest and Discrete Wavelet Transform for cryptographic technique, Delineating the Blockchain Paradigm, Significance of Post Quantum Cryptosystems in Internet of Medical Things (IoMT, Blockchain-inspired Decentralized Applications and Smart Contracts, and much more. - Provides in-depth surveys and tutorials on new computer technology, with this release focusing on Post-Quantum Cryptography Algorithms - Presents well-known authors and researchers in the field - Includes volumes that are devoted to single themes or subfields of computer science
Everyday Cryptography
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Author : Keith M. Martin
language : en
Publisher: Oxford University Press
Release Date : 2017
Everyday Cryptography written by Keith M. Martin and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Business & Economics categories.
Cryptography is a vital technology that underpins the security of information in computer networks. This book presents a comprehensive introduction to the role that cryptography plays in providing information security for everyday technologies such as the Internet, mobile phones, Wi-Fi networks, payment cards, Tor, and Bitcoin. This book is intended to be introductory, self-contained, and widely accessible. It is suitable as a first read on cryptography. Almost no prior knowledge of mathematics is required since the book deliberately avoids the details of the mathematics techniques underpinning cryptographic mechanisms. Instead our focus will be on what a normal user or practitioner of information security needs to know about cryptography in order to understand the design and use of everyday cryptographic applications. By focusing on the fundamental principles of modern cryptography rather than the technical details of current cryptographic technology, the main part this book is relatively timeless, and illustrates the application of these principles by considering a number of contemporary applications of cryptography. Following the revelations of former NSA contractor Edward Snowden, the book considers the wider societal impact of use of cryptography and strategies for addressing this. A reader of this book will not only be able to understand the everyday use of cryptography, but also be able to interpret future developments in this fascinating and crucially important area of technology.
Networking Security And Standards
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Author : Weidong Kou
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Networking Security And Standards written by Weidong Kou and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
Security is the science and technology of secure communications and resource protection from security violation such as unauthorized access and modification. Putting proper security in place gives us many advantages. It lets us exchange confidential information and keep it confidential. We can be sure that a piece of information received has not been changed. Nobody can deny sending or receiving a piece of information. We can control which piece of information can be accessed, and by whom. We can know when a piece of information was accessed, and by whom. Networks and databases are guarded against unauthorized access. We have seen the rapid development of the Internet and also increasing security requirements in information networks, databases, systems, and other information resources. This comprehensive book responds to increasing security needs in the marketplace, and covers networking security and standards. There are three types of readers who are interested in security: non-technical readers, general technical readers who do not implement security, and technical readers who actually implement security. This book serves all three by providing a comprehensive explanation of fundamental issues of networking security, concept and principle of security standards, and a description of some emerging security technologies. The approach is to answer the following questions: 1. What are common security problems and how can we address them? 2. What are the algorithms, standards, and technologies that can solve common security problems? 3.
Cyber Intelligence And Information Retrieval
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Author : Soumi Dutta
language : en
Publisher: Springer Nature
Release Date : 2024-07-18
Cyber Intelligence And Information Retrieval written by Soumi Dutta and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-07-18 with Computers categories.
This book features selected research papers presented at the 2nd International Conference on Cyber Intelligence and Information Retrieval (CIIR 2023) held at the Institute of Engineering & Management, Kolkata, India, in association with CSI Kolkata section on 14-15 December 2023. Cyber intelligence and information retrieval are closely related fields that deal with the collection, analysis, and utilization of data and information from various digital sources. These fields are crucial in today's digital age, where vast amounts of data are generated and stored electronically. By combining the strengths of cyber intelligence and information retrieval, organizations can enhance their ability to detect, respond to, and mitigate cyber threats, while also improving their overall cybersecurity posture and decision-making processes. This book comprises high-quality research work by academicians and industrial experts in the field of artificial intelligence, data analytics, computing, and communication, including full-length papers, research-in-progress papers, and case studies related to all the areas of data analytics, machine learning, Internet of Things (IoT), information security, etc.
Algorithmic Strategies For Solving Complex Problems In Cryptography
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Author : Balasubramanian, Kannan
language : en
Publisher: IGI Global
Release Date : 2017-08-16
Algorithmic Strategies For Solving Complex Problems In Cryptography written by Balasubramanian, Kannan and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-16 with Computers categories.
Cryptography is a field that is constantly advancing, due to exponential growth in new technologies within the past few decades. Applying strategic algorithms to cryptic issues can help save time and energy in solving the expanding problems within this field. Algorithmic Strategies for Solving Complex Problems in Cryptography is an essential reference source that discusses the evolution and current trends in cryptology, and it offers new insight into how to use strategic algorithms to aid in solving intricate difficulties within this domain. Featuring relevant topics such as hash functions, homomorphic encryption schemes, two party computation, and integer factoring, this publication is ideal for academicians, graduate students, engineers, professionals, and researchers interested in expanding their knowledge of current trends and techniques within the cryptology field.
Handbook Of Applied Cryptography
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Author : Alfred J. Menezes
language : en
Publisher: CRC Press
Release Date : 2018-12-07
Handbook Of Applied Cryptography written by Alfred J. Menezes and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-12-07 with Mathematics categories.
Cryptography, in particular public-key cryptography, has emerged in the last 20 years as an important discipline that is not only the subject of an enormous amount of research, but provides the foundation for information security in many applications. Standards are emerging to meet the demands for cryptographic protection in most areas of data communications. Public-key cryptographic techniques are now in widespread use, especially in the financial services industry, in the public sector, and by individuals for their personal privacy, such as in electronic mail. This Handbook will serve as a valuable reference for the novice as well as for the expert who needs a wider scope of coverage within the area of cryptography. It is a necessary and timely guide for professionals who practice the art of cryptography. The Handbook of Applied Cryptography provides a treatment that is multifunctional: It serves as an introduction to the more practical aspects of both conventional and public-key cryptography It is a valuable source of the latest techniques and algorithms for the serious practitioner It provides an integrated treatment of the field, while still presenting each major topic as a self-contained unit It provides a mathematical treatment to accompany practical discussions It contains enough abstraction to be a valuable reference for theoreticians while containing enough detail to actually allow implementation of the algorithms discussed Now in its third printing, this is the definitive cryptography reference that the novice as well as experienced developers, designers, researchers, engineers, computer scientists, and mathematicians alike will use.
Secure Sensor Cloud
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Author : Vimal Kumar
language : en
Publisher: Springer Nature
Release Date : 2022-05-31
Secure Sensor Cloud written by Vimal Kumar and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-31 with Technology & Engineering categories.
The sensor cloud is a new model of computing paradigm for Wireless Sensor Networks (WSNs), which facilitates resource sharing and provides a platform to integrate different sensor networks where multiple users can build their own sensing applications at the same time. It enables a multi-user on-demand sensory system, where computing, sensing, and wireless network resources are shared among applications. Therefore, it has inherent challenges for providing security and privacy across the sensor cloud infrastructure. With the integration of WSNs with different ownerships, and users running a variety of applications including their own code, there is a need for a risk assessment mechanism to estimate the likelihood and impact of attacks on the life of the network. The data being generated by the wireless sensors in a sensor cloud need to be protected against adversaries, which may be outsiders as well as insiders. Similarly, the code disseminated to the sensors within the sensor cloud needs to be protected against inside and outside adversaries. Moreover, since the wireless sensors cannot support complex and energy-intensive measures, the lightweight schemes for integrity, security, and privacy of the data have to be redesigned. The book starts with the motivation and architecture discussion of a sensor cloud. Due to the integration of multiple WSNs running user-owned applications and code, the possibility of attacks is more likely. Thus, next, we discuss a risk assessment mechanism to estimate the likelihood and impact of attacks on these WSNs in a sensor cloud using a framework that allows the security administrator to better understand the threats present and take necessary actions. Then, we discuss integrity and privacy preserving data aggregation in a sensor cloud as it becomes harder to protect data in this environment. Integrity of data can be compromised as it becomes easier for an attacker to inject false data in a sensor cloud, and due to hop by hopnature, privacy of data could be leaked as well. Next, the book discusses a fine-grained access control scheme which works on the secure aggregated data in a sensor cloud. This scheme uses Attribute Based Encryption (ABE) to achieve the objective. Furthermore, to securely and efficiently disseminate application code in sensor cloud, we present a secure code dissemination algorithm which first reduces the amount of code to be transmitted from the base station to the sensor nodes. It then uses Symmetric Proxy Re-encryption along with Bloom filters and Hash-based Message Authentication Code (HMACs) to protect the code against eavesdropping and false code injection attacks.
Integer Algorithms In Cryptology And Information Assurance
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Author : Boris S Verkhovsky
language : en
Publisher: World Scientific
Release Date : 2014-09-05
Integer Algorithms In Cryptology And Information Assurance written by Boris S Verkhovsky and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-05 with Computers categories.
Integer Algorithms in Cryptology and Information Assurance is a collection of the author's own innovative approaches in algorithms and protocols for secret and reliable communication. It concentrates on the “what” and “how” behind implementing the proposed cryptographic algorithms rather than on formal proofs of “why” these algorithms work.The book consists of five parts (in 28 chapters) and describes the author's research results in:This text contains innovative cryptographic algorithms; computationally efficient algorithms for information assurance; new methods to solve the classical problem of integer factorization, which plays a key role in cryptanalysis; and numerous illustrative examples and tables that facilitate the understanding of the proposed algorithms.The fundamental ideas contained within are not based on temporary advances in technology, which might become obsolete in several years. The problems addressed in the book have their own intrinsic computational complexities, and the ideas and methods described in the book will remain important for years to come.