The Chi Function Is Defined As #479
The Chi function is defined as
This multiple choice question (MCQ) is related to the book/course gs gs124 Introduction Cyber Security. It can also be found in gs gs124 Other Public Key Cryptosystems and Cryptographic Hash Functions - Secure Hash Algorithms (SHA) - Quiz No.5.
The Chi function is defined as
a[x] ← a[x] XOR ( a[x + 1]XOR 1) AND a[x+2])
a[x] ← a[x] AND ( a[x + 1]XOR 1) AND a[x+2])
a[x] ← a[x] AND ( a[x + 1] XOR a[x+2])
a[x] ← a[x] XOR ( a[x + 1] AND a[x+2])