question archive Please do good online research and study the below attached PPT and answer each and every inch of the question in detail What 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?
Subject:Computer SciencePrice: Bought3
Please do good online research and study the below attached PPT and answer each and every inch of the question in detail