Algorithmic Strategies for Solving Complex Problems in Cryptography PDF Download
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Author: Balasubramanian, Kannan
Publisher: IGI Global
ISBN: 1522529160
Category : Computers
Languages : en
Pages : 321
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Book Description
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.
Author: Balasubramanian, Kannan
Publisher: IGI Global
ISBN: 1522529160
Category : Computers
Languages : en
Pages : 321
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Book Description
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.
Author: Koshik Raj
Publisher: Packt Publishing Ltd
ISBN: 1789138191
Category : Business & Economics
Languages : en
Pages : 363
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Book Description
Learn the foundations of blockchain technology - its core concepts and algorithmic solutions across cryptography, peer-to-peer technology, and game theory. Key FeaturesLearn the core concepts and foundations of the blockchain and cryptocurrenciesUnderstand the protocols and algorithms behind decentralized applicationsMaster how to architect, build, and optimize blockchain applicationsBook Description Blockchain technology is a combination of three popular concepts: cryptography, peer-to-peer networking, and game theory. This book is for anyone who wants to dive into blockchain from first principles and learn how decentralized applications and cryptocurrencies really work. This book begins with an overview of blockchain technology, including key definitions, its purposes and characteristics, so you can assess the full potential of blockchain. All essential aspects of cryptography are then presented, as the backbone of blockchain. For readers who want to study the underlying algorithms of blockchain, you’ll see Python implementations throughout. You’ll then learn how blockchain architecture can create decentralized applications. You’ll see how blockchain achieves decentralization through peer-to-peer networking, and how a simple blockchain can be built in a P2P network. You’ll learn how these elements can implement a cryptocurrency such as Bitcoin, and the wider applications of blockchain work through smart contracts. Blockchain optimization techniques, and blockchain security strategies are then presented. To complete this foundation, we consider blockchain applications in the financial and non-financial sectors, and also analyze the future of blockchain. A study of blockchain use cases includes supply chains, payment systems, crowdfunding, and DAOs, which rounds out your foundation in blockchain technology. What you will learnThe core concepts and technical foundations of blockchainThe algorithmic principles and solutions that make up blockchain and cryptocurrenciesBlockchain cryptography explained in detailHow to realize blockchain projects with hands-on Python codeHow to architect the blockchain and blockchain applicationsDecentralized application development with MultiChain, NEO, and EthereumOptimizing and enhancing blockchain performance and securityClassical blockchain use cases and how to implement themWho this book is for This book is for anyone who wants to dive into blockchain technology from first principles and build a foundational knowledge of blockchain. Familiarity with Python will be helpful if you want to follow how the blockchain protocols are implemented. For readers who are blockchain application developers, most of the applications used in this book can be executed on any platform.
Author: Simon Fong
Publisher: Springer Nature
ISBN: 981165655X
Category : Technology & Engineering
Languages : en
Pages : 944
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Book Description
This book proposes new technologies and discusses future solutions for ICT design infrastructures, as reflected in high-quality papers presented at the 6th International Conference on ICT for Sustainable Development (ICT4SD 2021), held in Goa, India, on 5–6 August 2021. The book covers the topics such as big data and data mining, data fusion, IoT programming toolkits and frameworks, green communication systems and network, use of ICT in smart cities, sensor networks and embedded system, network and information security, wireless and optical networks, security, trust, and privacy, routing and control protocols, cognitive radio and networks, and natural language processing. Bringing together experts from different countries, the book explores a range of central issues from an international perspective.
Author: Henk C.A. van Tilborg
Publisher: Springer Science & Business Media
ISBN: 1441959068
Category : Computers
Languages : en
Pages : 1457
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Book Description
Expanded into two volumes, the Second Edition of Springer’s Encyclopedia of Cryptography and Security brings the latest and most comprehensive coverage of the topic: Definitive information on cryptography and information security from highly regarded researchers Effective tool for professionals in many fields and researchers of all levels Extensive resource with more than 700 contributions in Second Edition 5643 references, more than twice the number of references that appear in the First Edition With over 300 new entries, appearing in an A-Z format, the Encyclopedia of Cryptography and Security provides easy, intuitive access to information on all aspects of cryptography and security. As a critical enhancement to the First Edition’s base of 464 entries, the information in the Encyclopedia is relevant for researchers and professionals alike. Topics for this comprehensive reference were elected, written, and peer-reviewed by a pool of distinguished researchers in the field. The Second Edition’s editorial board now includes 34 scholars, which was expanded from 18 members in the First Edition. Representing the work of researchers from over 30 countries, the Encyclopedia is broad in scope, covering everything from authentication and identification to quantum cryptography and web security. The text’s practical style is instructional, yet fosters investigation. Each area presents concepts, designs, and specific implementations. The highly-structured essays in this work include synonyms, a definition and discussion of the topic, bibliographies, and links to related literature. Extensive cross-references to other entries within the Encyclopedia support efficient, user-friendly searches for immediate access to relevant information. Key concepts presented in the Encyclopedia of Cryptography and Security include: Authentication and identification; Block ciphers and stream ciphers; Computational issues; Copy protection; Cryptanalysis and security; Cryptographic protocols; Electronic payment and digital certificates; Elliptic curve cryptography; Factorization algorithms and primality tests; Hash functions and MACs; Historical systems; Identity-based cryptography; Implementation aspects for smart cards and standards; Key management; Multiparty computations like voting schemes; Public key cryptography; Quantum cryptography; Secret sharing schemes; Sequences; Web Security. Topics covered: Data Structures, Cryptography and Information Theory; Data Encryption; Coding and Information Theory; Appl.Mathematics/Computational Methods of Engineering; Applications of Mathematics; Complexity. This authoritative reference will be published in two formats: print and online. The online edition features hyperlinks to cross-references, in addition to significant research.
Author: Vivian Siahaan
Publisher: BALIGE PUBLISHING
ISBN:
Category : Computers
Languages : en
Pages : 157
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Book Description
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. The project is designed as a user-friendly Tkinter-based GUI application, with three main functionalities: key generation, file signing, and signature verification. Users can generate DSA key pairs in the "Generate Keys" tab, sign files in the "Sign File" tab, and verify signatures in the "Verify Signature" tab. By providing an intuitive interface, this application enables users to efficiently manage cryptographic operations, ensuring data security and authenticity without needing to understand low-level cryptographic details. Project 7 and 8 focuses on creating and securing synthetic financial datasets to ensure data integrity. It combines data generation, digital signing, and signature verification to authenticate and protect financial records. The primary goals are to generate realistic financial data, secure it with digital signatures, and verify these signatures to detect tampering or corruption. The project involves generating a synthetic dataset with multiple columns such as transaction IDs, account numbers, amounts, currencies, timestamps, and transaction types. DSA keys are then generated for signing and verification, with the private key used for signing each entry in the dataset. These signatures are saved separately, allowing verification using the public key. This process ensures that any unauthorized changes to the data are detected, demonstrating a secure approach to data handling in financial applications. Project 9 and 10 combines the Digital Signature Algorithm (DSA) with Least Significant Bit (LSB) steganography to securely hide a signed message within an image. First, DSA keys are generated and used to sign a message, ensuring its authenticity and integrity. The signed message is then embedded into an image using LSB steganography, where the least significant bits of the image pixels' red channel are altered to include the binary representation of the message and its signature. To extract and verify the hidden data, the code retrieves the embedded bits from the image and reconstructs the original message. It then uses the public DSA key to verify the signature, confirming the message's authenticity. This integration of cryptographic signing with steganography provides a secure method to conceal and authenticate sensitive information within an image file. Project 11 and 12 provides a workflow for encrypting and hiding data using RSA and DSA cryptographic algorithms, along with steganography. It begins with generating RSA and DSA keys, then encrypts a message using RSA and signs it with a DSA private key, ensuring confidentiality and authenticity. The encrypted and signed data is embedded into an image using Least Significant Bit (LSB) steganography, altering the pixel values to include the hidden information. The process continues by extracting the hidden data from the image, verifying its integrity using the DSA signature, and decrypting the message with the RSA private key. This approach demonstrates a secure method of combining encryption, digital signatures, and steganography to protect and authenticate sensitive data, making it a robust solution for secure data transmission.
Author: Steve Marshall
Publisher: For Dummies
ISBN: 9781119422891
Category :
Languages : en
Pages : 68
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Book Description
Explore business and technical implications Understand established regulatory standards Deploy and manage digital signatures Enable business with digital signatures Digital documents are increasingly commonplace in today's business world, and forward-thinking organizations are deploying digital signatures as a crucial part of their part of their strategy. Businesses are discovering a genuine market demand for digital signatures in support of organizational goals. This book is your guide to the new business environment. It outlines the benefits of embracing digital signature techniques and demystifies the relevant technologies. Advance your organization's digital strategy Provide strong non-repudiation Offer "what you see is what you sign" Ensure enhanced security Provide user convenience and mobility
Author: Craig P. Bauer
Publisher: CRC Press
ISBN: 1466561874
Category : Computers
Languages : en
Pages : 603
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Book Description
Winner of an Outstanding Academic Title Award from CHOICE MagazineMost available cryptology books primarily focus on either mathematics or history. Breaking this mold, Secret History: The Story of Cryptology gives a thorough yet accessible treatment of both the mathematics and history of cryptology. Requiring minimal mathematical prerequisites, the
Author: Gilles Brassard
Publisher: Springer
ISBN: 0387348050
Category : Computers
Languages : en
Pages : 628
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Book Description
CRYPTO is a conference devoted to all aspects of cryptologic research. It is held each year at the University of California at Santa Barbara. Annual meetings on this topic also take place in Europe and are regularly published in this Lecture Notes series under the name of EUROCRYPT. This volume presents the proceedings of the ninth CRYPTO meeting. The papers are organized into sections with the following themes: Why is cryptography harder than it looks?, pseudo-randomness and sequences, cryptanalysis and implementation, signature and authentication, threshold schemes and key management, key distribution and network security, fast computation, odds and ends, zero-knowledge and oblivious transfer, multiparty computation.
Author: Sudeep Tanwar
Publisher: Springer
ISBN: 9811387591
Category : Technology & Engineering
Languages : en
Pages : 477
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Book Description
This book considers all aspects of managing the complexity of Multimedia Big Data Computing (MMBD) for IoT applications and develops a comprehensive taxonomy. It also discusses a process model that addresses a number of research challenges associated with MMBD, such as scalability, accessibility, reliability, heterogeneity, and Quality of Service (QoS) requirements, presenting case studies to demonstrate its application. Further, the book examines the layered architecture of MMBD computing and compares the life cycle of both big data and MMBD. Written by leading experts, it also includes numerous solved examples, technical descriptions, scenarios, procedures, and algorithms.
Author: Steven D. Galbraith
Publisher: Cambridge University Press
ISBN: 1107013925
Category : Computers
Languages : en
Pages : 631
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Book Description
This advanced graduate textbook gives an authoritative and insightful description of the major ideas and techniques of public key cryptography.
