Subject- Network security PLEASE BE ON TIMEPlease do good on

Subject- Network security PLEASE BE ON TIMEPlease do good online research and study the below attached PPT and answer each and every inch of the question in detailWhat are the essential ingredients of a symmetric cipher?What are the two basic functions used in encryption algorithms?How many keys are required for two people to communicate via a symmetric cipher?What is the difference between a block cipher and a stream cipher?What are the two general approaches to attacking a cipher?Why do some block cipher modes of operation only use encryption while others use both encryption and decryption?What is triple encryption?Why is the middle portion of 3DES a decryption rather than an encryption?Note- No plagiarism,minimum of 5 APA format references with links and Minimum of 3 pages Answers must be very clear and effective and justify the questions.

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