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Online | Offline Teachers for Cryptography

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UNIT – I

Introduction: Codes and Ciphers – Some Classifical systems – Statistical theory of cipher systems – Complexity theory of Crypto systems – Stream ciphers, Block ciphers.

 

Stream Ciphers: Rotor based system – shift register based systems – Design considerations for stream ciphers – Cryptanalysis of stream ciphers – Combined eneryption and encoding.

 

Block Ciphers – DES and variant, modes of use of DES.                                  

UNIT – II

Public Key systems – Knacksack systems – RSK – Diffle Hellman Exchange 0 Authentication and Digital signatures, Elliptic curve based systems.

 

System Identification and clustering

 

Cryptology of speech signals – narrow band and wide band systems – analogue & digital systems of speech encryption.                                                                    

 

UNIT – III

Network Security: Hash function – Authentication:

 

Protocols – Digital Signature standards.

Electronics Mail Security – PGP (Pretty Good Privacy) MIME, Data Compression technique.

IP Security: Architecture, Authentication Leader, Encapsulating security Payload – Key management.

Web Security: Secure Socket Layer & Transport Layer security, Secure electronic transactions.

Firewalls Design principle, established systems.                              

 

UNIT – IV

Telecommunication Network architecture, TMN management layers, Management information Model, Management servicing and functions, Structure of management information and TMN information model.                                                       

 

TEXT BOOKS:

1.         William Stallings, “Network Security Essentials, 2^nd Edition, 2002.

2.         William Stallings, “Cryptography & Network Security”, 3^rd Edition, 1999.

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