Cryptography And Network Security Atul Kahate Ppt -

Classified into Passive Attacks (monitoring/eavesdropping) and Active Attacks (modification of data, fabrication, or interruption).

Substitution and Transposition techniques. 3. Symmetric Key Algorithms (Modern Cryptography) cryptography and network security atul kahate ppt

Used for authentication and non-repudiation, ensuring the sender’s identity and message integrity. 5. Network Security and Practical Implementations cryptography and network security atul kahate ppt

Public key cryptography solves the "key exchange" problem inherent in symmetric methods. cryptography and network security atul kahate ppt