Pseudorandom Generators (PRG) be unpredictable.

 

1. (i)Explain why it is important that a Pseudorandom Generators (PRG) be unpredictable.

(ii)Explain Avalanche effect property in the hash functions.

2. (i) Encrypt the text “We had a simple exam today” using Rail fence technique (the Rail key here is 3). This is transposition Encryption

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