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CRYPTOGRAPHY AND NETWORK SECURITY
UNIT I INTRODUCTION
OSI Security Architecture - Classical Encryption techniques – Cipher Principles –
Data Encryption Standard – Block Cipher Design Principles and Modes of Operation -
Evaluation criteria for AES – AES Cipher – Triple DES – Placement of Encryption
Function – Traffic Confidentiality.
S.N o (^) Topics to be covered
Text/Ref
OSI security Architecture
T7- T
- Classical Encryptions Techniques : Symmetric cipher model Substitution Techniques
T23-T
- (^) Transportation Techniques – Rotar Machines - Steganography T44- T
- (^) Cipher principles T63- T
- (^) Data encryption standard T72- T
Modes of operation
T91- T
Evaluation criteria for AES
T140-
T
- (^) AES cipher T143- T
- (^) Triple DES T174- T
- (^) Placement of Encryption Function T202- T
- (^) Traffic confidentiality T210- T
UNIT II PUBLIC KEY CRYPTOGRAPHY
Key Management - Diffie-Hellman key Exchange – Elliptic Curve Architecture and
Cryptography - Introduction to Number Theory – Confidentiality using Symmetric
Encryption – Public Key Cryptography and RSA.
S.No (^) Topics to be covered Text/Ref
12. Key management T286- T
- Diffie Hellman key exchange T293- T
- Elliptic curve Architecture and cryptography T304- T
- Introduction to Number theory –Prime numbers T236-T
- Fermat’s and Euler’s Theorems T239- T
- Testing for Primality T243-T
- The Chinese Remainder Theorem-Discrete logarithms T245-T
- Confidentiality using symmetric Encryption T202-T
- Key distribution T211-T
- Random Number Generation T220-T
- Public key cryptography –principles of Public keycryptosystems T259-T
- The RSA Algorithm. T268-T
UNIT III AUTHENTICATION AND HASH FUNCTION
9
Authentication requirements – Authentication functions – Message Authentication
Codes – Hash Functions – Security of Hash Functions and MACs – MD5 message
Digest algorithm - Secure Hash Algorithm – RIPEMD – HMAC Digital Signatures –
Authentication Protocols – Digital Signature Standard
S.No Topics to be covered
Text/Ref
24. Authentication Requirements T312- T
- Authentication functions T313- T
- Message Authentication codes T324- T
- Hash functions T328- T
43. Intrusion Detection T569- T
- Password Management T581- T
- Viruses and related Threats T598- T
- Virus counter measures T609- T
- Firewall Design Principles T616- T
- Trusted Systems. T628- T
TEXTBOOK:
- William Stallings, “Cryptography And Network Security – Principles and Practices”, Prentice Hall of India, Third Edition, 2003.
