1.

Bob selects E67(2, 3) as the elliptic curve over GF(p). He selects e1 = (2, 22) and d = 4.Then he calculates e2 = d e1 and the publicly announces the tuple (E, e1, e2). Now, Alice wants to send the plaintext P = (24, 26) to Bob and she selects r = 2. What are C1 and C2?

A. C1=(35,1) ; C2 =(21,44)
B. C1=(44,21) ; C2 =(1,35)
C. C1=(44,21) ; C2 =(44,21)
D. C1=(21,44); C2 =(35,1)
Answer» B. C1=(44,21) ; C2 =(1,35)


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