an affine cipher equation (Y=aX+b) used to encrypt English language messages, hich of the following can be used as a valid encryption equation (here 'y' is the phertext character corresponding to the plaintext character 'x' & the suggestions r (a,b) keys are given) nt: For decryption we need inverse of a Hence select the value of a in such a way that it satisfies this condition. ABCDEFGHIJKLMNOP 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 9 21 15 3 19 7

A hash table also called a hash map, is a data structure that maps key-value pairs. The hash table can be used in complex systems to provide fast access and compact storage. A hash table is a structure that stores data in an abstract data type kind of as…