Digest Functions

This lecture will address Digest Function, Integrity Control, Key expansion and other uses of Digests.

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Recommended reading

• Segurança em Redes Informáticas, A. Zúquete: Chap. 2
• Ross Anderson, Security engineering, Third Edition, Chapter 5.
• Security in Computing, 4th edition, C. P. Pfleeger, S. L. Pfleeger: Chaps. 2 & 3

Interesting links

• Digest function (cryptographic hash function)
• Birthday paradox
• Message authentication code
• Authenticated encryption
• Key derivation function
• Password-Based Key Derivation Function 2 (PBKDF2)
• scrypt password-based key derivation function