Write down general caesar encryption algorithm

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Reference no: EM131688813

Please solve following questions;

Question No. 1: Write down general Caesar Encryption algorithm. Define each term involved in it. Using key 5 encrypt your first name by using the character numbers given in the table below. Show all steps involved.

Question No. 2: What is issue with Caesar Cipher and how it can be overcome?

Question No. 3: Define the term Transposition Cipher. Using this technique and 4x7 matrix and key 4312567, encrypt the message, 'attack postponed until two am xyz'. Neglect the spaces in this message. Show all steps involved.

Question No. 4: List two disputes that can arise in the context of message authentication.

Question No. 5: Briefly explain working of digital signatures from sender to receiver.

Reference no: EM131688813

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