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Network Security: Chapter 4 - Message Authentication includes Message authentication (message encryption, MACs, hash functions); Security of Hash Functions and Macs, Hash-based Message Authentication Code(HMAC, Cipher-based Message Authentication Code(CMAC). | Chapter 4 Message Authentication MSc. NGUYEN CAO DAT Dr. TRAN VAN HOAI 1 Outline n Message authentication message encryption MACs hash functions n Security of Hash Functions and Macs Hash-based Message Authentication Code HMAC Cipher-based Message Authentication Code CMAC Message Authentication message authentication is concerned with protecting the integrity of a message n validating identity of originator non-repudiation of origin dispute resolution Three alternative functions used message encryption message authentication code MAC hash .
