Implementing cryptography using Python
Implementing cryptography using Python:
Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: Bray, Shannon 1972- (VerfasserIn)
Format: Elektronisch E-Book
Sprache:English
Veröffentlicht: Indianapolis, IN Wiley [2020]
Schlagworte:
Python > Programmiersprache
Kryptologie
Online-Zugang:FCO01
TUM01
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Buchcover
Beschreibung:Cover -- Title Page -- Copyright Page -- About the Author -- Acknowledgments -- Contents at a Glance -- Contents -- Introduction -- Chapter 1 Introduction to Cryptography and Python -- Exploring Algorithms -- Why Use Python? -- Downloading and Installing Python -- Installing on Ubuntu -- Installing on macOS -- Installing on Windows -- Installing on a Chromebook -- Installing Additional Packages -- Installing Pip, NumPy, and Matplotlib -- Installing the Cryptography Package -- Installing Additional Packages -- Testing Your Install -- Diving into Python Basics -- Using Variables -- Using Strings -- Introducing Operators -- Understanding Arithmetic Operators -- Understanding Comparison Operators -- Understanding Logical Operators -- Understanding Assignment Operators -- Understanding Bitwise Operators -- Understanding Membership Operators -- Understanding Identity Operators -- Using Conditionals -- Using Loops -- for -- while -- continue -- break -- else -- Using Files -- Understanding Python Semantics -- Sequence Types -- Introducing Custom Functions -- Downloading Files Using Python -- Introducing Python Modules -- Creating a Reverse Cipher -- Summary -- Chapter 2 Cryptographic Protocols and Perfect Secrecy -- The Study of Cryptology -- Understanding Cryptography -- Cryptography's Famous Family: Alice and Bob -- Diffie-Hellman -- Data Origin Authentication -- Entity Authentication -- Symmetric Algorithms -- Asymmetric Algorithms -- The Needham-Schroeder Protocols -- The Otway-Rees Protocol -- Kerberos -- Multiple-Domain Kerberos -- X.509 -- Formal Validation of Cryptographic Protocols -- Configuring Your First Cryptographic Library -- Understanding Cryptanalysis -- Brute-Force Attacks -- Side-Channel Attacks -- Social Engineering -- Analytical Attacks -- Frequency Analysis -- Attack Models -- Shannon's Theorem -- One-Time Pad -- XOR, AND, and OR.
One-Time Pad Function -- One-Way Hashes -- Cryptographic One-Way Hashes -- Message Authentication Codes -- Perfect Forward Secrecy -- Published and Proprietary Encryption Algorithms -- Summary -- References -- Chapter 3 Classical Cryptography -- Password Best Practices -- Password Storage -- Hashing Passwords -- Salting Passwords -- Stretching Passwords -- Password Tools -- Obfuscating Data -- ASCII Encoding -- Base64 Encoding Text -- Binary Data -- Decoding -- Historical Ciphers -- Scytale of Sparta -- Substitution Ciphers -- Caesar Cipher -- ROT-13 -- Atbash Cipher -- Vigenère Cipher -- Playfair -- Hill 2x2 -- Column Transposition -- Affine Cipher -- Summary -- Chapter 4 Cryptographic Math and Frequency Analysis -- Modular Arithmetic and the Greatest Common Devisor -- Prime Numbers -- Prime Number Theorem -- School Primality Test -- Fermat's Little Theorem -- Miller-Rabin Primality Test -- Generate Large Prime Numbers -- Basic Group Theory -- Orders of Elements -- Modular Inverses -- Fermat's Little Theorem to Find the Inverse -- Extending the GCD -- Euler's Theorem -- Pseudorandomness -- Breaking C's rand() Function -- Solving Systems of Linear Equations -- Frequency Analysis -- Cryptanalysis with Python -- Using an Online Word List -- Determining the Frequency -- Breaking the Vigenère Cipher -- Summary -- Chapter 5 Stream Ciphers and Block Ciphers -- Convert between Hexdigest and Plaintext -- Use Stream Ciphers -- ARC4 -- Vernam Cipher -- Salsa20 Cipher -- ChaCha Cipher -- Use Block Ciphers -- Block Modes of Operations -- ECB Mode -- CBC Mode -- CFB Mode -- OFB Mode -- CTR Mode -- Tricks with Stream Modes -- DIY Block Cipher Using Feistel Networks -- Advanced Encryption Standard (AES) -- Using AES with Python -- File Encryption Using AES -- File Decryption Using AES -- Summary -- Chapter 6 Using Cryptography with Images
Simple Image Cryptography -- Images and Cryptography Libraries -- Understanding the Cryptography Library -- Understanding the Cryptosteganography Library -- Image Cryptography -- File Cryptography Using Fernet -- Image Cryptography Using Fernet -- AES and Block Modes of Operations -- Exploring a Simple ECB Mode Example -- Exploring a Simple CBC Mode Example -- Applying the Examples -- Steganography -- Storing a Message Inside an Image -- Storing a Binary File Inside an Image -- Working with large images -- Summary -- Chapter 7 Message Integrity -- Message Authentication Codes -- Hash-based Message Authentication Code -- Using HMAC to Sign Message -- Message Digest with SHA -- Binary Digests -- NIST Compliance -- CBC-MAC -- Birthday Attacks -- Crafting Forgeries -- The Length Extension Attack -- Setting Up a Secure Channel -- Communication Channels -- Sending Secure Messages Over IP Networks -- Create a Server Socket -- Create a Client Socket -- Create a Threaded Server with TCP -- Adding Symmetric Encryption -- Concatenate Message and MAC -- Summary -- References -- Chapter 8 Cryptographic Applications and PKI -- The Public-Key Transformation -- Exploring the Basics of RSA -- Generating RSA Certificates -- Constructing Simple Text Encryption and Decryption with RSA Certificates -- Constructing BLOB Encryption and Decryption with RSA Certificates -- The El-Gamal Cryptosystem -- Elliptic Curve Cryptography -- Generating ECC Keys -- Key Lengths and Curves -- Diffie-Hellman Key Exchange -- Summary -- Chapter 9 Mastering Cryptography Using Python -- Constructing a Plaintext Communications Application -- Creating a Server -- Creating the Client -- Creating the Helper File -- Execution -- Installing and Testing Wireshark -- Implementing PKI in the Application Using RSA Certificates -- Modifying the Server -- Modifying the Client -- Modifying the Helper File
Execution -- Implementing Diffie-Hellman Key Exchange -- Modifying the Server File -- Modifying the Client File -- Modifying the Helper File -- Creating the Diffie-Hellman Class File -- Execution -- Wrapping Up -- Index -- EULA.
Beschreibung:1 Online-Ressource (xix, 284 Seiten) Illustrationen, Diagramme
ISBN:9781119612223
9781119615453
9781119612216

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