Products related to Cryptography:
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Cryptography
A broad introduction to cryptography what it is, how it really works, what its future holds, and why every informed citizen should understand its basics. We all keep secrets from our gym locker codes to our email passwords to our online interactions. And we choose to share those secrets only with those whom we trust.So, too, do organizations, businesses, governments, and armies.In this fascinating book Cryptography, Panos Louridas provides a broad and accessible introduction to cryptography, the art and science of keeping and revealing secrets.Louridas explains just how cryptography works to keep our communications confidential, tracing it back all the way to its ancient roots.Then he follows its long and winding path to where we are today and reads the signs that point to where it may go tomorrow. A few years back, interest in cryptography was restricted to specialists.Today, as we all live our lives attuned to our digital footprint and the privacy issues it entails, it becomes more and more essential to have a basic understanding of cryptography and its applications to everyday life.Starting with classical cryptography, Cryptography takes the reader all the way up to the twenty-first century cryptographic applications that underpin our lives in the digital realm.Along the way, Louridas also explains concepts such as symmetric cryptography, asymmetric cryptography, cryptographic protocols and applications, and finally, quantum and post-Quantum cryptography as well as the links between cryptography and computer security.
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Practical Cryptography
Security is the number one concern for businesses worldwide.The gold standard for attaining security is cryptography because it provides the most reliable tools for storing or transmitting digital information.Written by Niels Ferguson, lead cryptographer for Counterpane, Bruce Schneier's security company, and Bruce Schneier himself, this is the much anticipated follow-up book to Schneier's seminal encyclopedic reference, Applied Cryptography, Second Edition (0-471-11709-9), which has sold more than 150,000 copies. Niels Ferguson (Amsterdam, Netherlands) is a cryptographic engineer and consultant at Counterpane Internet Security.He has extensive experience in the creation and design of security algorithms, protocols, and multinational security infrastructures.Previously, Ferguson was a cryptographer for DigiCash and CWI.At CWI he developed the first generation of off-line payment protocols.He has published numerous scientific papers. Bruce Schneier (Minneapolis, MN) is Founder and Chief Technical Officer at Counterpane Internet Security, a managed-security monitoring company.He is also the author of Secrets and Lies: Digital Security in a Networked World (0-471-25311-1).
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Practical Cryptography in Python : Learning Correct Cryptography by Example
Develop a greater intuition for the proper use of cryptography.This book teaches the basics of writing cryptographic algorithms in Python, demystifies cryptographic internals, and demonstrates common ways cryptography is used incorrectly. Cryptography is the lifeblood of the digital world’s security infrastructure.From governments around the world to the average consumer, most communications are protected in some form or another by cryptography.These days, even Google searches are encrypted. Despite its ubiquity, cryptography is easy to misconfigure, misuse, and misunderstand. Developers building cryptographic operations into their applications are not typically experts in the subject, and may not fully grasp the implication of different algorithms, modes, and other parameters.The concepts in this book are largely taught by example, including incorrect uses of cryptography and how "bad" cryptography can be broken.By digging into the guts of cryptography, you can experience what works, what doesn't, and why. What You’ll LearnUnderstand where cryptography is used, why, and how it gets misusedKnow what secure hashing is used for and its basic propertiesGet up to speed on algorithms and modes for block ciphers such as AES, and see how bad configurations breakUse message integrity and/or digital signatures to protect messagesUtilize modern symmetric ciphers such as AES-GCM and CHACHAPractice the basics of public key cryptography, including ECDSA signaturesDiscover how RSA encryption can be broken if insecure padding is usedEmploy TLS connections for secure communicationsFind out how certificates work and modern improvements such as certificate pinning and certificate transparency (CT) logsWho This Book Is ForIT administrators and software developers familiar with Python.Although readers may have some knowledge of cryptography, the book assumes that the reader is starting from scratch.
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Practical Mathematical Cryptography
Practical Mathematical Cryptography provides a clear and accessible introduction to practical mathematical cryptography.Cryptography, both as a science and as practice, lies at the intersection of mathematics and the science of computation, and the presentation emphasises the essential mathematical nature of the computations and arguments involved in cryptography. Cryptography is also a practical science, and the book shows how modern cryptography solves important practical problems in the real world, developing the theory and practice of cryptography from the basics to secure messaging and voting. The presentation provides a unified and consistent treatment of the most important cryptographic topics, from the initial design and analysis of basic cryptographic schemes towards applications. Features Builds from theory toward practical applicationsSuitable as the main text for a mathematical cryptography courseFocus on secure messaging and voting systems.
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How can one study cryptography?
One can study cryptography by taking courses in computer science, mathematics, or information security at a university or through online platforms. These courses often cover topics such as encryption algorithms, cryptographic protocols, and security analysis. Additionally, there are many books and resources available on cryptography for self-study, and participating in cryptography challenges and competitions can also help in gaining practical experience in the field. Finally, seeking out mentorship or internships with professionals in the field can provide valuable hands-on experience and guidance in studying cryptography.
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Which topic is covered in cryptography?
Cryptography covers the study of secure communication techniques, including encryption, decryption, and authentication. It involves the development of algorithms and protocols to protect sensitive information from unauthorized access. Cryptography is used in various applications such as secure messaging, online transactions, and data protection. It plays a crucial role in ensuring the confidentiality, integrity, and authenticity of data in digital communication.
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How can texts be encrypted in cryptography?
Texts can be encrypted in cryptography using various algorithms and techniques. One common method is the use of a secret key to scramble the text into an unreadable format, which can only be decrypted using the same key. Another method is public key cryptography, where a public key is used to encrypt the text and a private key is used to decrypt it. Additionally, techniques such as substitution ciphers, transposition ciphers, and block ciphers can also be used to encrypt texts in cryptography.
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Are Cryptowars and cryptography the same thing?
No, Cryptowars and cryptography are not the same thing. Cryptography is the practice and study of techniques for secure communication in the presence of third parties, while Cryptowars refers to the political and legal battles over the use and regulation of cryptography. Cryptography is a technical field that involves creating and analyzing protocols that prevent third parties or the public from reading private messages, while Cryptowars is a broader term that encompasses the debates and conflicts surrounding the use and control of cryptographic technologies.
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Cryptography Made Simple
In this introductory textbook the author explains the key topics in cryptography.He takes a modern approach, where defining what is meant by "secure" is as important as creating something that achieves that goal, and security definitions are central to the discussion throughout. The author balances a largely non-rigorous style — many proofs are sketched only — with appropriate formality and depth.For example, he uses the terminology of groups and finite fields so that the reader can understand both the latest academic research and "real-world" documents such as application programming interface descriptions and cryptographic standards.The text employs colour to distinguish between public and private information, and all chapters include summaries and suggestions for further reading. This is a suitable textbook for advanced undergraduate and graduate students in computer science, mathematics and engineering, and for self-study byprofessionals in information security.While the appendix summarizes most of the basic algebra and notation required, it is assumed that the reader has a basic knowledge of discrete mathematics, probability, and elementary calculus.
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Real-World Cryptography
If you’re browsing the web, using public APIs, making and receiving electronic payments, registering and logging in users, or experimenting with blockchain, you’re relying on cryptography. And you’re probably trusting a collection of tools, frameworks, and protocols to keep your data, users, and business safe.It’s important to understand these tools so you can make the best decisions about how, where, and why to use them. Real-World Cryptography teaches you applied cryptographic techniques to understand and apply security at every level of your systems and applications. about the technologyCryptography is the foundation of information security.This simultaneously ancient and emerging science is based on encryption and secure communication using algorithms that are hard to crack even for high-powered computer systems.Cryptography protects privacy, secures online activity, and defends confidential information, such as credit cards, from attackers and thieves.Without cryptographic techniques allowing for easy encrypting and decrypting of data, almost all IT infrastructure would be vulnerable. about the book Real-World Cryptography helps you understand the cryptographic techniques at work in common tools, frameworks, and protocols so you can make excellent security choices for your systems and applications.There’s no unnecessary theory or jargon—just the most up-to-date techniques you’ll need in your day-to-day work as a developer or systems administrator.Cryptography expert David Wong takes you hands-on with cryptography building blocks such as hash functions and key exchanges, then shows you how to use them as part of your security protocols and applications.Alongside modern methods, the book also anticipates the future of cryptography, diving into emerging and cutting-edge advances such as cryptocurrencies, password-authenticated key exchange, and post-quantum cryptography.Throughout, all techniques are fully illustrated with diagrams and real-world use cases so you can easily see how to put them into practice. what's inside Best practices for using cryptographyDiagrams and explanations of cryptographic algorithmsIdentifying and fixing cryptography bad practices in applicationsPicking the right cryptographic tool to solve problems about the readerFor cryptography beginners with no previous experience in the field. about the author David Wong is a senior engineer working on Blockchain at Facebook.He is an active contributor to internet standards like Transport Layer Security and to the applied cryptography research community.David is a recognized authority in the field of applied cryptography; he’s spoken at large security conferences like Black Hat and DEF CON and has delivered cryptography training sessions in the industry.
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Information-theoretic Cryptography
This book offers a mathematical foundation for modern cryptography.It is primarily intended as an introduction for graduate students.Readers should have basic knowledge of probability theory, but familiarity with computational complexity is not required.Starting from Shannon's classic result on secret key cryptography, fundamental topics of cryptography, such as secret key agreement, authentication, secret sharing, and secure computation, are covered.Particular attention is drawn to how correlated randomness can be used to construct cryptographic primitives.To evaluate the efficiency of such constructions, information-theoretic tools, such as smooth min/max entropies and information spectrum, are developed.The broad coverage means the book will also be useful to experts as well as students in cryptography as a reference for information-theoretic concepts and tools.
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Secret Key Cryptography
Explore the fascinating and rich world of Secret Key cryptography!This book provides practical methods for encrypting messages, an interesting and entertaining historical perspective, and an incredible collection of ciphers and codes—including 30 unbreakable methods. In Secret Key Cryptography: Ciphers, from simple to unbreakable you will: Measure the strength of your ciphers and learn how to guarantee their securityConstruct and incorporate data-compression codesGenerate true random numbers in bulkConstruct huge primes and safe primesAdd an undetectable backdoor to a cipherDefeat hypothetical ultracomputers that could be developed decades from nowConstruct 30 unbreakable ciphers Secret Key Cryptography gives you a toolbox of cryptographic techniques and Secret Key methods.The book's simple, non-technical language is easy to understand and accessible for any reader, even without the advanced mathematics normally required for cryptography.You'll learn how to create and solve ciphers, as well as how to measure their strength.As you go, you'll explore both historic ciphers and groundbreaking new approaches—including a never-before-seen way to implement the uncrackable One-Time Pad algorithm. about the technology Secret Key cryptography is the backbone of all modern computing infrastructure.Secret Key ciphers use the same key to encrypt and decrypt messages.Properly designed, these algorithms are efficient and practical.Some Secret Key approaches are uncrackable, even under attacks backed by supercomputers or quantum technology! about the book Secret Key Cryptography teaches anyone how to create a wide range of ciphers—even if you have no background in math or creating codes.You'll combine Secret Key techniques to achieve ciphers that are effectively uncrackable and avoid common pitfalls that result in strong-looking but weak ciphers.The book reveals scores of different cipher methods, including both historic examples and current innovations in the field. RETAIL SELLING POINTS • Measure the strength of your ciphers and learn how to guarantee their security • Construct and incorporate data-compression codes • Generate true random numbers in bulk • Construct huge primes and safe primes • Add an undetectable backdoor to a cipher • Defeat hypothetical ultra computers that could be developed decades from now • Construct 30 unbreakable ciphers AUDIENCE For professional engineers, computer scientists, and cryptography hobbyists.No advanced math knowledge is required
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What is the mathematical basis of cryptography?
The mathematical basis of cryptography lies in the use of complex mathematical algorithms and functions to secure and protect data. Cryptography uses mathematical concepts such as prime factorization, modular arithmetic, and discrete logarithms to create secure encryption and decryption processes. These mathematical techniques form the foundation of cryptographic systems, ensuring that data is kept confidential and secure from unauthorized access. Additionally, cryptography also relies on the use of mathematical keys and key pairs to encrypt and decrypt data, providing an additional layer of security.
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What is a key ring in cryptography?
A key ring in cryptography is a collection of cryptographic keys that are used for various security purposes. These keys can include encryption keys, decryption keys, digital signature keys, and authentication keys. The key ring allows for the management and storage of these keys, ensuring that they are securely stored and easily accessible when needed for cryptographic operations. It is an essential component in maintaining the security and integrity of cryptographic systems.
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What is the difference between cryptography and cryptology?
Cryptography refers to the practice and study of techniques for secure communication in the presence of third parties. It involves creating and analyzing protocols that prevent third parties from reading private information. On the other hand, cryptology is a broader field that encompasses both cryptography and cryptanalysis, which is the study of analyzing and breaking codes and ciphers. In essence, cryptography is a subset of cryptology, focusing on creating secure communication, while cryptology includes both creating and breaking codes.
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How can cryptography be presented in a presentation?
Cryptography can be presented in a presentation by first providing an overview of what cryptography is and its importance in securing information. This can be followed by explaining the basic principles of cryptography, such as encryption and decryption, using simple examples to illustrate these concepts. Additionally, showcasing real-world applications of cryptography, such as secure communication protocols or digital signatures, can help to demonstrate its practical relevance. Finally, discussing current trends and challenges in cryptography, such as quantum computing threats or blockchain technology, can make the presentation more engaging and informative.
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