## Question

###### Alice and Bob communicate using the ECC public-key cryptosystem. They choose the elliptic curve y2 = x + and the finite field 2z3 Bob also chooses P B , ILB and calculates Bob sends his public key to Alice:Alice encrypts numerical message M, and sends her public key containing the encrypted message to Bob_You are BobllDecrypt the numerical message_You may use the "point addition" chart:(15,1)(15,22),(11,21)

Alice and Bob communicate using the ECC public-key cryptosystem. They choose the elliptic curve y2 = x + and the finite field 2z3 Bob also chooses P B , ILB and calculates Bob sends his public key to Alice: Alice encrypts numerical message M, and sends her public key containing the encrypted message to Bob_ You are Bobll Decrypt the numerical message_ You may use the "point addition" chart: (15,1) (15,22),(11,21)

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