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Hash algorithms and HMAC for message authentication

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Joe Christensen
Joe Christensen
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Cryptography and Network Security Third Edition by William Stallings Lecture slides by Lawrie Brown
Chapter 12 – Hash Algorithms ,[object Object],[object Object]
Hash Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
MD5 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
MD5 Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
MD5 Overview
MD5 Compression Function ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
MD5 Compression Function
MD4 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Strength of MD5 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Secure Hash Algorithm (SHA-1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SHA Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SHA-1 Compression Function ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SHA-1 Compression Function
SHA-1 verses MD5 ,[object Object],[object Object],[object Object],[object Object],[object Object]
Revised Secure Hash Standard ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
RIPEMD-160 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
RIPEMD-160 Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
RIPEMD-160 Round
RIPEMD-160 Compression Function
RIPEMD-160 Design Criteria ,[object Object],[object Object],[object Object],[object Object],[object Object]
RIPEMD-160 verses MD5 & SHA-1 ,[object Object],[object Object],[object Object],[object Object],[object Object]
Keyed Hash Functions as MACs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
HMAC ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
HMAC Overview
HMAC Security ,[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object]

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