Network Security

• Introduction to BASIC CONCEPTS
• TYPES OF SECURITY ATTACKS
• SECURITY SERVICES
• SUBSTITUTION TECHNIQUES- Monoalphabetic and ceser cipher with example
• PLAYFAIR CIPHER WITH EXAMPLE (SUBSTITUTION TECHNIQUE)
• Substitution Techniques-Hill cipher
• modes of operations
• Feistel cipher/ strucutre
• DES (Data Encryption standard) ALGORITHM
• IDEA (International Data Encryption Standard)
• AES (ADVANCED ENCRYPTION STANDARD)
• BLOWFISH ALGORITHM
• CAST 128 ALGORITHM
• INTRODUCTION TO NUMBER THOERY
• FERMAT'S THEOREM WITH SOLVED EXAMPLES
• EULER'S THEOREM and EULER'S TOTIENT FUNCTION with examples
• CHINESE REMAINDER THEOREM WITH EXAMPLES
• Principles of public key cryptography
• RSA ALGORITHM
• DIFFIE HELLMAN KEY EXCHANGE
• ELLIPTIC CURVE CRYPTOGRAPHY & DIFFIE HELMAN KEY EXCHANGE
• TYPES OF AUTHENTICATION
• SHA-512 (Cryptographic hash functions)