University Question Papers CST 393 Cryptographic Algorithms

 

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Cryptographic Algorithms CST 393 KTU CS Honour Notes Semester V -Dr Binu V P

About Me About the Course and Scheme Syllabus Model Question Paper University Question Papers ******************************************************** Module-1 (Introduction to the Concepts of Security) Introduction CIA Triad  OSI Security Architecture Security Attacks Security Services Security Mechanisms Model for Network Security Classical Encryption Techniques     Symmetric Cipher Model     Cryptography -  Crypt Analysis Substitution Ciphers-Caesar Cipher     Mono-alphabetic Ciphers     Playfair Cipher     Hill Cipher Poly Alphabetic Ciphers- Vigenere Cipher     Vernam Cipher- One Time Pad Transposition Ciphers Module-2 (Symmetric Key Crypto Systems) Stream Cipher Vs Block Cipher Traditional Block Cipher Structure- Fiestel Structure Data Encryption Standard - DES Algorithm Differential and Linear Cryptanalysis Double DES and Triple DES International Data Encryption Algorithm ( IDEA) Advanced Encryption Standard ( AES) Block Cipher Modes of Operation Stream Cipher and RC4 Module-3
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Syllabus CST 393 Cryptographic Algorithms

Syllabus Module-1 (Introduction to the Concepts of Security) Need for security, Security approaches, Principles of security, Types of attacks, OSI Security Architecture, Classical encryption techniques - Substitution techniques, Transposition techniques. Stream cipher, Block cipher, Public key cryptosystems vs. Symmetric key cryptosystems, Encrypting communication channels. Module-2 (Symmetric Key Cryptosystems) Overview of symmetric key cryptography, Block cipher principles, Data Encryption Standard (DES), Differential and Linear cryptanalysis, Double DES, Triple DES, International Data Encryption Algorithm (IDEA), Advanced Encryption Algorithm (AES),Block cipher modes of operation, Stream cipher, RC4. Module-3 (Public Key Cryptosystems) Principles of public key cryptosystems, RSA algorithm, RSA illustration, Attacks, ElGamal cryptographic system, Knapsack algorithm, Diffie-Hellman key exchange algorithm, Elliptic curve cryptosystems. Module-4 (Key Management) Symmetric key distributi
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Computer Security Concept- CIA Triad

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Definition of Computer Security The NIST Computer Security Handbook [NIST95] defines the term computer security as follows: Computer Security: The protection afforded to an automated information system in order to attain the applicable objectives of preserving the integrity, availability,and confidentiality of information system resources (includes hardware, software, firmware, information/data, and telecommunications).   This definition introduces three key objectives that are at the heart of computer  security: Confidentiality: This term covers two related concepts:             Data confidentiality: Assures that private or confidential information is not made available or disclosed to unauthorized individuals.      Privacy: Assures that individuals control or influence what information related to them may be collected and stored and by whom and to whom that information may be disclosed.   Integrity: This term covers two related concepts:      Data integrity: Assures that information
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