Jack and Michel use DSS signature scheme for message origin authentication. The primes p and g are chosen as p=89 and q=11. The seed for finding e: (the root of 1 mod p) is taken as e,=3. The private key d is selected as 61. The digest of the message M is h(M)=10 and r=7. Explain the steps of key generation, encryption, and decryption.