1. Create a new file with some contents 2. Create a symmetric crypto Key 3. Encrypt & Decrypt the file using the same key 4. Create another file with some contents 5. Create a Private/Public key pair 6. Encrypt the "another file" with the Public Key 7. Decrypt the "another file" to another file using the Private Key 8. Produce a digital signature of a text file 9. Produce the Checksum Hash (SHA512) of a text file