In Elgamal cryptosystem, given the prime p=31,Encrypt the message HELLO ; use 00 to 25 for encoding. The value of C2 for character O is

In Elgamal cryptosystem, given the prime p=31,Encrypt the message HEL

1.	In Elgamal cryptosystem, given the prime p=31,Encrypt the message HELLO ; use 00 to 25 for encoding. The value of C2 for character O is
A.	9
B.	7
C.	23
D.	27
Answer» B. 7