PLAYFAIR-CIPHER-PYTHON-

OUTPUT

Enter key: NETWORK

1. Encryption
2. Decryption:
3. EXIT1

ENTER MSG: SECURITY

CIPHER TEXT: MO RZ CD WX

1. Encryption
2. Decryption:
3. EXIT2

ENTER CIPHER TEXT: MORZCDWX

PLAIN TEXT: SE CU RI TY

1. Encryption
2. Decryption:
3. EXIT