What can I do about the decrypting text below using ELGamal? i do not what is n here?Is pk public key?
pk =9789467
g =10895499
n =16777216
c1 =C763515DF26161E21BAB53C35CE2B3B12419B5F5835D1B7B2FE761C9DF5149F4734C149944EA0B4637BBA71EB163CBA99F87611915038DEBA37650E1D69E1380CE6310D7114FD58BC605F1AF334B7044B1
c2 =C57120363903E441B7C90BEB72AFC48AD13D48D5DBF440602DB5C54CE1B490E1604251A1FF47A1D969831C05FFF7D55EAEE120EE7AECDCB0BDF9C5C9B634CACC79EA34485DAC8449D19947E70F1A276EDD