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What is issue with caesar cipher and how it can be overcome

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Reference no: EM131721052

Question 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 2- What is issue with Caesar Cipher and how it can be overcome?

Question 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 4- List two disputes that can arise in the context of message authentication.

Question 5- Briefly explain working of digital signatures from sender to receiver.

Reference no: EM131721052

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