Suppose that the keystream generated by a stream cipher is predictable in the sense that if you are given n keystream bits, you can determine all subsequent keystream bits. is this a practical security concern? why or why not?

Be sure to answer all parts. synthesize the following compound from benzene. a. b. c. d. e. f. reaction [1] conditions: a b c d e f reaction [1] product: draw structure reaction [2] conditions: a b c d e f reaction [2] product: draw structure reaction [3] conditions: a b c d e f reaction [3] product: