Cryptography for Developers

Cryptography for Developers PDF Author: Tom St Denis
Publisher: Elsevier
ISBN: 0080503454
Category : Computers
Languages : en
Pages : 449

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Book Description
The only guide for software developers who must learn and implement cryptography safely and cost effectively.Cryptography for Developers begins with a chapter that introduces the subject of cryptography to the reader. The second chapter discusses how to implement large integer arithmetic as required by RSA and ECC public key algorithms The subsequent chapters discuss the implementation of symmetric ciphers, one-way hashes, message authentication codes, combined authentication and encryption modes, public key cryptography and finally portable coding practices. Each chapter includes in-depth discussion on memory/size/speed performance trade-offs as well as what cryptographic problems are solved with the specific topics at hand. - The author is the developer of the industry standard cryptographic suite of tools called LibTom - A regular expert speaker at industry conferences and events on this development

Cryptography for Developers

Cryptography for Developers PDF Author: Tom St Denis
Publisher: Elsevier
ISBN: 0080503454
Category : Computers
Languages : en
Pages : 449

Get Book Here

Book Description
The only guide for software developers who must learn and implement cryptography safely and cost effectively.Cryptography for Developers begins with a chapter that introduces the subject of cryptography to the reader. The second chapter discusses how to implement large integer arithmetic as required by RSA and ECC public key algorithms The subsequent chapters discuss the implementation of symmetric ciphers, one-way hashes, message authentication codes, combined authentication and encryption modes, public key cryptography and finally portable coding practices. Each chapter includes in-depth discussion on memory/size/speed performance trade-offs as well as what cryptographic problems are solved with the specific topics at hand. - The author is the developer of the industry standard cryptographic suite of tools called LibTom - A regular expert speaker at industry conferences and events on this development

Essential Cryptography for JavaScript Developers

Essential Cryptography for JavaScript Developers PDF Author: Alessandro Segala
Publisher: Packt Publishing
ISBN: 9781801075336
Category : Computer security
Languages : en
Pages : 220

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Book Description
Discover how to take advantage of common cryptographic operations to build safer apps that respect users' privacy with the help of examples in JavaScript for Node.js and browsers Key Features: Understand how to implement common cryptographic operations in your code with practical examples Learn about picking modern safe algorithms, which libraries you should rely on, and how to use them correctly Build modern and secure applications that respect your users' privacy with cryptography Book Description: If you're a software developer, this book will give you an introduction to cryptography, helping you understand how to make the most of it for your applications. The book contains extensive code samples in JavaScript, both for Node.js and for frontend apps running in a web browser, although the core concepts can be used by developers working with any programming language and framework. With a purely hands-on approach that is focused on sharing actionable knowledge, you'll learn about the common categories of cryptographic operations that you can leverage in all apps you're developing, including hashing, encryption with symmetric, asymmetric and hybrid ciphers, and digital signatures. You'll learn when to use these operations and how to choose and implement the most popular algorithms to perform them, including SHA-2, Argon2, AES, ChaCha20-Poly1305, RSA, and Elliptic Curve Cryptography. Later, you'll learn how to deal with password and key management. All code in this book is written in JavaScript and designed to run in Node.js or as part of frontend apps for web browsers. By the end of this book, you'll be able to build solutions that leverage cryptography to protect user privacy, offer better security against an expanding and more complex threat landscape, help meet data protection requirements, and unlock new opportunities. What You Will Learn: Write JavaScript code that uses cryptography running within a Node.js environment for the server-side or in frontend applications for web browsers Use modern, safe hashing functions for calculating digests and key derivation, including SHA-2 and Argon2 Practice encrypting messages and files with a symmetric key using AES and ChaCha20-Poly1305 Use asymmetric and hybrid encryption, leveraging RSA and Elliptic Curve Cryptography with ECDH and ECIES Calculate and verify digital signatures using RSA and ECDSA/EdDSA Manage passwords and encryption keys safely Who this book is for: This cryptography book is an introductory guide for software developers who don't necessarily have a background in cryptography but are interested in learning how to integrate it in their solutions, correctly and safely. You'll need to have at least intermediate-level knowledge of building apps with JavaScript and familiarity with Node.js to make the most of this book.

Real-World Cryptography

Real-World Cryptography PDF Author: David Wong
Publisher: Simon and Schuster
ISBN: 1617296716
Category : Computers
Languages : en
Pages : 398

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Book Description
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 technology Cryptography 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 cryptography Diagrams and explanations of cryptographic algorithms Identifying and fixing cryptography bad practices in applications Picking the right cryptographic tool to solve problems about the reader For 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.

Cryptography for Javascript Developers

Cryptography for Javascript Developers PDF Author: Anish Nath
Publisher: Anish Nath
ISBN: 1726765040
Category : Education
Languages : en
Pages : 60

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Book Description
This book is for javascript developers, programmers who want to get into cryptography in programming way What you will learn WEB CRYPTOGRAPHY APIWEB CRYPTO API SUPPORTED ALGORITHMS AND METHODS GENERATE RANDOM NUMBERS AES - GENERATE KEY/EXPORT KEY (JWK)AES – ENCRYPTION/DECRYPTION AES – ENCRYPTION/DECRYPTION USING RAW KEYSHA – HASHING PBKDF2, PBKDF2 HMAC digital SignatureECDH generate key perform encryption and decryption ECDSA generate key perform sign and verify of message RSA-OAEP ENCRYPTION/DECRYPTIONRSASSA-PKCS1-V1_5RSA-PSS - generateKey/sign/VerifyPKCS8 IMPORT RSA PRIVATE KEY (OPENSSL)SPKI IMPORT RSA PUBLIC KEY (OPENSSL)MAPPING BETWEEN JSON WEB KEY/ WEB CRYPTOThe Stanford JavaScript Crypto Library SJCL CODECSJCL HashingSJCL AES Encryption and decryptionSJCL ECDSA sing verify message SJCL ELGAMAL generate key perform encryption

Java Cryptography Extensions

Java Cryptography Extensions PDF Author: Jason R. Weiss
Publisher: Morgan Kaufmann
ISBN: 0080535240
Category : Computers
Languages : en
Pages : 177

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Book Description
For a long time, there has been a need for a practical, down-to-earth developers book for the Java Cryptography Extension. I am very happy to see there is now a book that can answer many of the technical questions that developers, managers, and researchers have about such a critical topic. I am sure that this book will contribute greatly to the success of securing Java applications and deployments for e-business. --Anthony Nadalin, Java Security Lead Architect, IBMFor many Java developers and software engineers, cryptography is an "on-demand" programming exercise, where cryptographic concepts are shelved until the next project requires renewed focus. But considerations for cryptography must be made early on in the design process and it's imperative that developers know what kinds of solutions exist. One of Java's solutions to help bridge the gap between academic research and real-world problem solving comes in the form of a well-defined architecture for implementing cryptographic solutions. However, to use the architecture and its extensions, it is important to recognize the pros and cons of different cryptographic algorithms and to know how to implement various devices like key agreements, digital signatures, and message digests, to name a few.In Java Cryptography Extensions (JCE), cryptography is discussed at the level that developers need to know to work with the JCE and with their own applications but that doesn't overwhelm by packing in details unimportant to the busy professional. The JCE is explored using numerous code examples and instructional detail, with clearly presented sections on each aspect of the Java library. An online open-source cryptography toolkit and the code for all of the examples further reinforces the concepts covered within the book. No other resource presents so concisely or effectively the exact material needed to begin utilizing the JCE. - Written by a seasoned veteran of both cryptography and server-side programming - Covers the architecture of the JCE, symmetric ciphers, asymmetric ciphers, message digests, message authentication codes, digital signatures, and managing keys and certificates

Practical Cryptography

Practical Cryptography PDF Author: Saiful Azad
Publisher: CRC Press
ISBN: 1040177565
Category : Computers
Languages : en
Pages : 370

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Book Description
Cryptography, the science of encoding and decoding information, allows people to do online banking, online trading, and make online purchases, without worrying that their personal information is being compromised. The dramatic increase of information transmitted electronically has led to an increased reliance on cryptography. This book discusses th

Practical Cryptography in Python

Practical Cryptography in Python PDF Author: Seth James Nielson
Publisher: Apress
ISBN: 1484249003
Category : Computers
Languages : en
Pages : 380

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Book Description
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 Learn Understand where cryptography is used, why, and how it gets misused Know 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) logs Who This Book Is For IT 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.

Go Lang Cryptography

Go Lang Cryptography PDF Author: Anish Nath
Publisher: Anish Nath
ISBN: 1790681073
Category : Computers
Languages : en
Pages : 220

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Book Description
Cryptography is for everyone, no matter which role, function you are in, a basic level of security is needed. The style and approach is used in this book is to full-fill all of the cryptography needs for the go lang programmer from beginner to advanced level. What you will learn Encoding/Decoding,Random Number, Hashing, blake, HKDF, PBKDF, Argon2, Scrypt, Bcrypt, RSA, DSA, ECDSA, Curve25519, Nacl, AES, chacha20poly1305 ,RC4, BlowFish, TwoFish, 3DES, HMAC, OpenPGP, SSH-Client, HTTPS, X.509 Certificate Handing, Encrypted PEM files, OCSP

Serious Cryptography

Serious Cryptography PDF Author: Jean-Philippe Aumasson
Publisher: No Starch Press
ISBN: 1593278268
Category : Computers
Languages : en
Pages : 313

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Book Description
This practical guide to modern encryption breaks down the fundamental mathematical concepts at the heart of cryptography without shying away from meaty discussions of how they work. You’ll learn about authenticated encryption, secure randomness, hash functions, block ciphers, and public-key techniques such as RSA and elliptic curve cryptography. You’ll also learn: - Key concepts in cryptography, such as computational security, attacker models, and forward secrecy - The strengths and limitations of the TLS protocol behind HTTPS secure websites - Quantum computation and post-quantum cryptography - About various vulnerabilities by examining numerous code examples and use cases - How to choose the best algorithm or protocol and ask vendors the right questions Each chapter includes a discussion of common implementation mistakes using real-world examples and details what could go wrong and how to avoid these pitfalls. Whether you’re a seasoned practitioner or a beginner looking to dive into the field, Serious Cryptography will provide a complete survey of modern encryption and its applications.

Applied Cryptography

Applied Cryptography PDF Author: Bruce Schneier
Publisher: John Wiley & Sons
ISBN: 1119439027
Category : Computers
Languages : en
Pages : 926

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Book Description
From the world's most renowned security technologist, Bruce Schneier, this 20th Anniversary Edition is the most definitive reference on cryptography ever published and is the seminal work on cryptography. Cryptographic techniques have applications far beyond the obvious uses of encoding and decoding information. For developers who need to know about capabilities, such as digital signatures, that depend on cryptographic techniques, there's no better overview than Applied Cryptography, the definitive book on the subject. Bruce Schneier covers general classes of cryptographic protocols and then specific techniques, detailing the inner workings of real-world cryptographic algorithms including the Data Encryption Standard and RSA public-key cryptosystems. The book includes source-code listings and extensive advice on the practical aspects of cryptography implementation, such as the importance of generating truly random numbers and of keeping keys secure. ". . .the best introduction to cryptography I've ever seen. . . .The book the National Security Agency wanted never to be published. . . ." -Wired Magazine ". . .monumental . . . fascinating . . . comprehensive . . . the definitive work on cryptography for computer programmers . . ." -Dr. Dobb's Journal ". . .easily ranks as one of the most authoritative in its field." -PC Magazine The book details how programmers and electronic communications professionals can use cryptography-the technique of enciphering and deciphering messages-to maintain the privacy of computer data. It describes dozens of cryptography algorithms, gives practical advice on how to implement them into cryptographic software, and shows how they can be used to solve security problems. The book shows programmers who design computer applications, networks, and storage systems how they can build security into their software and systems. With a new Introduction by the author, this premium edition will be a keepsake for all those committed to computer and cyber security.