Services, mechanisms and attacks, The OSI security architecture, A model for network security.
Symmetric Cipher Model, Substitution Techniques, Transposition Techniques, Simplified DES, Data encryption standard (DES), The strength of DES, Differential and Linear Cryptanalysis, Block Cipher Design Principles and Modes of Operation, Evaluation Criteria for Advanced Encryption Standard, The AES Cipher.
Principles of Public-Key Cryptasystems, The RSA algorithm, Key Management, Diffie - Hellman Key Exchange, Elliptic Curve Arithmetic, Authentication functions, Hash Functions.
Digital signatures, Authentication Protocols, Digital Signature Standard.
Web Security Consideration, Security socket layer (SSL) and Transport layer security, Secure Electronic Transaction.
Intruders, Intrusion Detection, Password Management.
Viruses and Related Threats,Virus Countermeasures.
Firewalls Design Principles, Trusted Systems.