1. Classical encryption techniques 2. Block ciphers and the data encryption standard 3. Basic concepts in number theory and finite fields 4. Advanced.
COMP4690, HKBU1 Computer Security -- Cryptography Chapter 1 Symmetric Ciphers.
Cryptography. Secret (crypto) Writing (graphy) –[Greek word] Practice and study of hiding information Concerned with developing algorithms for: –Conceal.
Computer Security: Principles and Practice
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SYMMETRIC CIPHERS