1. Encrypt with playfair cipher

Plaintext= Nouf Hasan, Key = HUMAN

( type your work please )

2. Decrypt with playfair cipher

Cipher text = XDTOKYHRARBASIFDKRAVAV

Key= STAR

( type your work please )

3. Encrypt with Vigener Cipher

Plaintext = Nouf Hasan, KEY= HUMAN

( type your work please )

4. Decrypt with Vigener cipher

Ciphertext= whaqzke wd dzjywtqslif

Key= ADPOLY

( type your work please )