1.Select p,q =17,11
2.Calculate n=p*q =187
3.Calculate @(n) = (p-1)*(q-1)
4.Select e =7
5.Calculate d = 23
Public key KU = {e,n}
KU = {7,187}
Private key KR = {d,n}
KR = {23,187}
Encryption
Plaintext : M < n
M = 94
Ciphertext C = M^e mod n
C = 94^7 mod 187
C = 19
Decryption
Ciphertext : C
Plaintext : M = C^d mod n
M = 19^23 mod 187
M = 94