Information Security System
6IT4-03 · Semester 6
0/64 topics
Objective
Scope
Outcome
Security attacks
Security services
Security mechanisms
Classical encryption techniques
Substitution ciphers
Transposition ciphers
Cryptanalysis
Stream ciphers
Block ciphers
Block cipher structure
Data Encryption Standard (DES) with example
Strength of DES
Design principles of block ciphers
AES structure
AES transformation functions
AES key expansion
AES example and implementation
Multiple encryption
Triple DES
Electronic Code Book (ECB) mode
Cipher Block Chaining (CBC) mode
Cipher Feedback (CFB) mode
Output Feedback (OFB) mode
Counter (CTR) mode
Public key requirements
Public key cryptanalysis
RSA cryptosystem
Rabin cryptosystem
ElGamal cryptosystem
Elliptic Curve cryptosystem
Simple hash functions
Hash function requirements
Hash function security
Hash functions based on Cipher Block Chaining
Secure Hash Algorithm (SHA)
Message Authentication Codes (MAC)
MAC requirements
MAC security
MACs based on Hash Functions
MACs based on Block Ciphers
Digital Signature properties
Digital Signature requirements
Digital Signature security
ElGamal digital signature scheme
Schnorr digital signature scheme
NIST Digital Signature Algorithm (DSA)
Symmetric key distribution using symmetric encryption
Symmetric key distribution using asymmetric encryption
Distribution of public keys
X.509 certificates
Public Key Infrastructure (PKI)
Remote user authentication with symmetric encryption
Remote user authentication with asymmetric encryption
Kerberos
Web security threats
Web security approaches
SSL architecture
SSL protocol
Transport Layer Security (TLS)
HTTPS
SSH