Exam Solution Manual for Data Encryption and Message Verification. Chapter 21
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Course
Computer information systems
Institution
Computer Information Systems
Message-by-Message Authentication - Answers Verifies integrity and authenticity of individual messages in a communication system.
Hashing Algorithms - Answers Generate fixed-size hash values to uniquely represent input data.
Message Authentication Codes (MACs) - Answers Use secret keys to generat...
Message Authentication Codes (MACs) - Answers Use secret keys to generate unique tags for message
authentication.
Digital Signatures - Answers Provide integrity and authenticity using asymmetric cryptography.
Secure Communication Protocols - Answers Essential for SSL/TLS to protect data in web browsing.
Email Authentication and Integrity - Answers Utilizes DKIM and SPF to verify email authenticity and
integrity.
File Integrity Verification - Answers Ensures file integrity using hash values or MACs for comparison.
Secure Software Updates - Answers Ensures software integrity using digital signatures or MACs.
Quantum Security - Answers Focuses on developing cryptographic methods resistant to quantum
attacks.
Quantum Computing - Answers Utilizes qubits to perform computations simultaneously in multiple
states.
Quantum-Resistant Algorithms - Answers Designed to withstand attacks from both classical and
quantum computers.
Lattice-based Cryptography - Answers Relies on mathematical problems related to lattices for security.
Code-based Cryptography - Answers Utilizes error-correcting codes for security against decoding attacks.
Multivariate Cryptography - Answers Based on solving systems of multivariate polynomial equations for
security.
Hash-based Cryptography - Answers Uses hash functions and Merkle trees for secure digital signatures.
Post-quantum Cryptography - Answers Develops schemes to protect information against classical and
quantum attacks.
IPsec (Internet Protocol Security) - Answers Secures network communication at the IP layer with
authentication and encryption.
Tunnel Mode - Answers Encrypts and authenticates entire IP packets for secure site-to-site VPNs.
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