3544/CH4/EX4.5.2/Ex4_5_2.sce


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//ElGamal Key Encryption

r = 4 
pt = 7
e1 = 2
e2 = modulo(e1^d,p)

c1 = modulo(e1^r,p)
c2 = modulo(pt*e2^r,p)

disp("Cipher text")
printf("(%d,%d)",c1,c2)