Cryptography and Cyber Security Operation

The aim of this book is to understand: Introduction to the Concepts of Security: the need for security Security Approaches Principles of Security Types of Attacks. Cryptographic Techniques: Plain Text and Cipher Text Substitution Techniques Transposition Techniques Encryption and Decryption Symmetric and Asymmetric Key Cryptography Key Range and Key Size Possible Types of Attacks. Computer-based Symmetric Key Cryptographic Algorithms: Algorithm Types and Modes an overview of Symmetric Key Cryptography DES International Data Encryption Algorithm (IDEA) RC 5 Blow-fish AES Differential and Linear Crypt-analysis.