Cryptography-Network-security-

1. Implement Affine Cipher.
2. Implement Vigenere Cipher.
3. Implement Extended Euclidean Algorithm.
4. Implement RSA: Select e, d, n. Encrypt a word using e and decrypt using d.
5. Implement El-Gamal: Select e1, e2, r, d. Compute c1, c2. Decrypt using d.