Cryptography And Network Security Atul Kahate Ppt Jun 2026

| Chapter | Topic | |---------|-------| | 1 | Introduction to security attacks, services, mechanisms | | 2 | Classical encryption techniques (Caesar, Playfair, Vigenère) | | 3 | Block ciphers (DES, AES) | | 4 | Public-key cryptography (RSA, Diffie-Hellman) | | 5 | Hash functions and MACs | | 6 | Digital signatures (DSA, RSA signature) | | 7 | Key management and distribution | | 8 | Authentication (Kerberos, X.509) | | 9 | Email security (PGP, S/MIME) | | 10 | IP security (IPsec) | | 11 | Web security (SSL/TLS) | | 12 | Network security (firewalls, IDS) |

4. Tips for Delivering an Effective Cryptography Presentation cryptography and network security atul kahate ppt

is achieved through encryption (Symmetric/Asymmetric). Integrity is ensured via Hash Functions. Authentication is achieved via Digital Signatures. | Chapter | Topic | |---------|-------| | 1

: Explains the general model for network security and how data is transferred securely across insecure channels. 2. Cryptographic Techniques CIAAN Principles in Cryptography - Security - Scribd Authentication is achieved via Digital Signatures

Symmetric encryption uses a single shared key for both encryption and decryption. The strength lies in the algorithm's complexity and the secrecy of the key. Kahate categorizes these into Block Ciphers and Stream Ciphers.